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bothwritein.js
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bothwritein.js
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$(document).ready(function () {
var roundType="decimal";
var thisAnswer="4";
var givenAnswer;
var finalNum = 0;
var thisisanswer = 0;
var numberOfSigFigsToCount =0;
//beginning of the things to replace
var whatnameis = ""// prompt ("What is your name?");
var endSpace="";
var askagain = function (whatnameis){
whatnameis = prompt ("What is your full name (first and last)?");
whatnameis=whatnameis.replace(/\s+/g, ' ');
// console.error(whatnameis);
// console.log(whatnameis.slice(0, 1));
// alert("hello"+whatnameis);
if (whatnameis.slice(0, 1)==' '){
whatnameis=whatnameis.slice(1);
}
endSpace = whatnameis.slice(-1);
if (whatnameis.length<2){
askagain();
}
else if (!(/\s/.test(whatnameis))) {
// It has any kind of whitespace
askagain();
}
else if(endSpace==" ") {
console.log("ends with space");
askagain();
}
else{
document.getElementById("nameis").innerHTML = whatnameis;
}
}
askagain();
whatnameis=document.getElementById("nameis").innerHTML;
var loadDatabase = [];
var db;
var loginMessageShown = true;
var auth = function () {
// alert ("auth");
firebase.auth().signInAnonymously()
.then(function (result) {
db = firebase.firestore();
// db.settings({
// timestampsInSnapshots: true
// });
// db.collection("chemscores").get().then(function (querySnapshot) {
// querySnapshot.forEach(function (doc) {
// // clone template row and append to table body
// // var tr = tempTr.clone();
// // tr.data('id', doc.id);
// // console.warn(doc.id + "");
// loadDatabase.push(doc.id + "");
// // var data = doc.data();
// // // set cell values from Contact data
// // tr.find('td[data-prop]').each(function () {
// // var td = $(this);
// // td.text(data[td.data('prop')] || '');
// // });
// // tblBody.append(tr);
// });
// });
})
.catch(function (error) {
alert("failed to anonymously sign-in");
});
};
var init = function () {
auth();
// $('#testthisish').click();
};
auth();
function addLevelCompleted(nameis, dateis, levelcomplete) {
// alert (levelcomplete);
// let levelcompletenumber = 0;
// if (levelcomplete === "levelOne") {
// levelcompletenumber = 1;
// } else if (levelcomplete === "levelTwo") {
// levelcompletenumber = 2;
// } else if (levelcomplete === "levelThree") {
// levelcompletenumber = 3;
// } else if (levelcomplete === "levelFour") {
// levelcompletenumber = 4;
// } else if (levelcomplete === "levelFive") {
// levelcompletenumber = 5;
// } else if (levelcomplete === "levelSix") {
// levelcompletenumber = 6;
// } else if (levelcomplete === "levelSeven") {
// levelcompletenumber = 7;
// } else if (levelcomplete === "levelEight") {
// levelcompletenumber = 8;
// } else if (levelcomplete === "levelNine") {
// levelcompletenumber = 9;
// } else if (levelcomplete === "levelTen") {
// levelcompletenumber = 10;
// }
dateis=dateis.replace(/\s/g, '');
dateis=firebase.firestore.Timestamp.fromDate(new Date(dateis));
var data = {
date: dateis,
name: whatnameis,
score: levelcomplete,
level: thisAppNum
}
db.collection("chemscores").add(data).then(function (result) {
// list();
})
.catch(function (error) {
console.warn("failed to save contact");
});
}
//end of the things to replace
n = new Date();
y = n.getFullYear();
m = n.getMonth() + 1;
d = n.getDate();
document.getElementById("date").innerHTML = "</sub>" + m + " / " + d + " / " + y;
var times = 0;
var numer1;
var numer2;
var denom1;
var denom2;
var number1;
var number2;
var number3;
var number4;
var xposit;
var answer;
var wrongAnswer1;
var wrongAnswer2;
var wrongAnswer3;
var score = 0;
var coeff1;
var mag1;
var coeff2;
var mag2;
$(window).resize(function () {
//$('.ansbox').css('width',window.innerWidth/4-2);
//$('.ansbox').css('height',window.innerWidth/4-2);
//$('#blocka').css('left',$('blocka').width*0);
//$('#blockb').css('position','absolute');
//$('#blockb').css('left',$('blockb').width*1);
//$('#blockc').css('left',$('blocka').width*2);
//$('#blockd').css('left',$('blocka').width*3);
$('.thequestion').css('font-size', window.innerWidth / 100);
});
// var wrongAnswer4;
// $('#bwordb').text(35);
function specialMessage(score) {
if (score < 0) {
return " \n\ focus young skywalker";
} else if (score < 5) {
return "\n\ you are balanced, let's get buff";
} else if (score < 10) {
return "\n\ You have only reached a fraction of your potential";
} else if (score < 15) {
return "\n\ Show those denomihaters who's boss";
} else if (score < 20) {
return "\n\ you must be a numerator because you are on top of this";
} else if (score < 25) {
return "\n\ In all realness, your skill is like dividing by zero, it cannot be defined";
} else {
return "\n\ you are balanced, let's get buff";
}
}
var getSigFigs = function (num) {
if (!isFinite(Number(num))) {
return -1;
}
var n = String(num).trim(),
FIND_FRONT_ZEROS_SIGN_DOT_EXP = /^[\D0]+|\.|([e][^e]+)$/g,
FIND_RIGHT_ZEROS = /0+$/g;
if (!/\./.test(num)) {
n = n.replace(FIND_RIGHT_ZEROS, "");
}
return n.replace(FIND_FRONT_ZEROS_SIGN_DOT_EXP, "").length;
};
function getSigDigits(n) {
if ((decimalPlaces(n) == 0) || (decimalPlaces(n) == NaN)) {
// $('#score').text(Number(parseInt(Number(n), 10).toString().length)+" ");
var digitAmount = Number(parseInt(Number(n), 10).toString().length);
if (n < 1) {
digitAmount = digitAmount - 1;
}
return getSigFigs(n) - digitAmount;
} else {
//$('#score').text(decimalPlaces(n)+" ");
return decimalPlaces(n);
}
}
function round(value, exp) {
if (typeof exp === 'undefined' || +exp === 0)
return Math.round(value);
value = +value;
exp = +exp;
if (isNaN(value) || !(typeof exp === 'number' && exp % 1 === 0))
return NaN;
// Shift
value = value.toString().split('e');
value = Math.round( + (value[0] + 'e' + (value[1] ? (+value[1] + exp) : exp)));
// Shift back
value = value.toString().split('e');
return + (value[0] + 'e' + (value[1] ? (+value[1] - exp) : -exp));
}
// function sigFigs(n, sig) {
// if (n > Math.pow(10, sig)) {
// return toOurExponential(n);
// } else {
// n = Math.abs(n);
// var mult = Math.pow(10,
// sig - Math.floor(Math.log(n) / Math.LN10) - 1);
// //alert ("n is " +n + " sig is " + sig);
// return Math.round(n * mult) / mult;
// }
// }
function sigFigs(n, sig) {
isNeg=0;
if (n<0){
n=n*(-1);
isNeg=1;
//$('#scoremessage').text("yea");
}
var mult = Math.pow(10, sig - Math.floor(Math.log(n) / Math.LN10) - 1);
mult=Math.round(n * mult) / mult;
if (isNeg==1){
mult=-1*mult;
}
return mult;
}
var toOurExponential = function (n1) { //returns a string including the *10^ exoitebct
var answerString = n1.toExponential() + "";
// answerString=round(answerString,3)+"";
var eSpot = answerString.indexOf("e");
var exponency = answerString.substring(eSpot + 1, answerString.length);
if (exponency.substring(0, 1) === "+") {
exponency = exponency.substring(1, exponency.length);
}
if (eSpot > 5) {
var eSpot = 5;
}
var nakedAnswer = answerString.substring(0, eSpot);
var longerAnswer = nakedAnswer;
nakedAnswer = Number(nakedAnswer);
nakedAnswer = nakedAnswer.toFixed(2);
var answerStringFinal = nakedAnswer + "*10^" + exponency;
//alert (answerStringFinal + " " + exponency + " " + nakedAnswer + " " + eSpot + "longer "+longerAnswer);
return answerStringFinal;
};
var C1;
var C2;
var V1;
var V2;
var molar;
var declength;
var setupAnswersDilution = function (m1, m2, m3, m4, n1, n2, n3, ct, fN) {
if (questionClass=="dilution"){
C1 = n1 * Math.pow(10, m1);
V2 = n2 * Math.pow(10, m3);
C2 = n3 * Math.pow(10, m2);
//var concentrationQuantity = moles/(n2*Math.pow(10,m2));
molar = ((C2 * V2) / C1) / Math.pow(10, m4);
declength = decimalPlaces(molar);
// console.error (molar);
// console.warn((molar+"").length);
// console.log(declength);
// console.error((molar+"").length-declength);
if (roundType=="decimal"){
// console.warn("decimal");
if ((molar+"").includes("e")){
resetQuestion();
}
else if (((molar+"").length-declength)>8){
resetQuestion();
//console.error("here");
return;
}
numSigs1 = parseInt(getSigDigits(molar));
numSigFigs = parseInt(numSigs1) + 0;
// if (numSigFigs>numSigs2){
// numSigFigs=(numSigs2)+0;
// }
if (numSigs1 < 1) {
//alert ("numsigs1");
resetQuestion();
//console.error("here");
return;
} else if (numSigFigs > 10) {
resetQuestion();
//console.error("here");
return;
// $('#scoremessage').text("yea");
} else {
//$('#scoremessage').text(" "+numSigFigs+" "+numSigs2+" "+numSigs1);
//answerOriginal = 0;
//$('#score').text("Score = " +signI+" "+numSigFigs + " " + numSigs1 +
//" "+numSigs2+" "+answer);
molar = round(Number(molar), 1 * numberOfSigFigsToCount);
if (answer == 0) {
resetQuestion();
//console.error("here");
return;
} else {
if (Number((getSigDigits(molar)) < (numSigFigs)) && (Number(molar) % 1 != 0)) {
// if (Number(answer)%1!=0){ //the number contains a decimal.
molar = Number(molar).toFixed(numberOfSigFigsToCount);
numToAdd=0;
if (molar<0){
numToAdd=1;
}
//answer=(""+answer).substring(0, answer.length)
//alert ("it did have to fix that ish");
// }
// else if (Number(answer)%10!=0){
// answer=answer+".0";falert
// }
}
thisAnswer = molar + "";
let tempThisAnswer=thisAnswer+"";
// BELOW HERE substring of thisanswer after the decimal
// console.error(tempThisAnswer.substring(thisAnswer.indexOf('.')+1, tempThisAnswer.length).length);
// console.warn("out of "+numberOfSigFigsToCount);
// if (tempThisAnswer.substring(thisAnswer.indexOf('.'), tempThisAnswer.length)<numberOfSigFigsToCount)
while (tempThisAnswer.substring(thisAnswer.indexOf('.')+1, tempThisAnswer.length).length<numberOfSigFigsToCount){
tempThisAnswer=tempThisAnswer+"0";
}
// console.error("it is "+tempThisAnswer);
thisAnswer=tempThisAnswer;
//alert(thisAnswer);
//answer=getSigFigs(n1);
//alert (n1 + " who has " + numSigs1);
}
}
}
else{
// console.log("sigFigs");
if ((molar+"").includes("e")){
resetQuestion();
//console.error("here");
return;
}
else if (((molar+"").length-declength)>5){
resetQuestion();
//console.error("here");
return;
}
molar=sigFigs(molar, numberOfSigFigsToCount);
if (Number(getSigFigs(molar))<(numberOfSigFigsToCount)){
if (Number(molar)%1!=0){ //the number contains a decimal.
molar=molar+"0";
}
else if (Number(molar)%10!=0){
molar=molar+".0";
}
}//answer=getSigFigs(n1);
thisAnswer=(molar+"");
// console.log(thisAnswer);
}
var moles = molar * Math.pow(10, m4)
if (m4 == 0) {
moles = molar * Math.pow(10, m3);
}
var answerString = (sigFigs(Number(molar), 3)) + "";
answer = answerString + " " + getUnit(m4) + "L";
wrongAnswer1 = (sigFigs(Number(moles), 3)) + " " + getUnit(m4) + "L";
wrongAnswer2 = (sigFigs(Number(1 / moles), 3)) + " " + getUnit(m4) + "L";
wrongAnswer3 = (sigFigs(Number(1 / molar), 3)) + " " + getUnit(m4) + "L";
}
else{//percent solutions
C1 = n1 * Math.pow(10, m1);
V2 = n2 * Math.pow(10, m3);
C2 = n3 * Math.pow(10, m2);
//var concentrationQuantity = moles/(n2*Math.pow(10,m2));
var deal=1;
if (ct=="%"){
deal = 10;
}
molar = ((V2)*C2*deal)/Math.pow(10, m4);
declength = decimalPlaces(molar);
// console.error (molar);
// console.warn((molar+"").length);
// console.log(declength);
// console.error((molar+"").length-declength);
//var concentrationQuantity = moles/(n2*Math.pow(10,m2));
if (roundType=="decimal"){
// console.warn("decimal");
if ((molar+"").includes("e")){
resetQuestion();
//console.error("here");
return;
}
else if (((molar+"").length-declength)>8){
resetQuestion();
//console.error("here");
return;
}
numSigs1 = parseInt(getSigDigits(molar));
numSigFigs = parseInt(numSigs1) + 0;
// if (numSigFigs>numSigs2){
// numSigFigs=(numSigs2)+0;
// }
if (numSigs1 < 1) {
//alert ("numsigs1");
resetQuestion();
//console.error("here");
return;
} else if (numSigFigs > 10) {
resetQuestion();
//console.error("here");
return;
// $('#scoremessage').text("yea");
} else {
//$('#scoremessage').text(" "+numSigFigs+" "+numSigs2+" "+numSigs1);
//answerOriginal = 0;
//$('#score').text("Score = " +signI+" "+numSigFigs + " " + numSigs1 +
//" "+numSigs2+" "+answer);
molar = round(Number(molar), 1 * numberOfSigFigsToCount);
if (answer == 0) {
resetQuestion();
//console.error("here");
return;
} else {
if (Number((getSigDigits(molar)) < (numSigFigs)) && (Number(molar) % 1 != 0)) {
// if (Number(answer)%1!=0){ //the number contains a decimal.
molar = Number(molar).toFixed(numberOfSigFigsToCount);
numToAdd=0;
if (molar<0){
numToAdd=1;
}
//answer=(""+answer).substring(0, answer.length)
//alert ("it did have to fix that ish");
// }
// else if (Number(answer)%10!=0){
// answer=answer+".0";falert
// }
}
thisAnswer = molar + "";
let tempThisAnswer=thisAnswer+"";
// BELOW HERE substring of thisanswer after the decimal
// console.error(tempThisAnswer.substring(thisAnswer.indexOf('.')+1, tempThisAnswer.length).length);
// console.warn("out of "+numberOfSigFigsToCount);
// if (tempThisAnswer.substring(thisAnswer.indexOf('.'), tempThisAnswer.length)<numberOfSigFigsToCount)
while (tempThisAnswer.substring(thisAnswer.indexOf('.')+1, tempThisAnswer.length).length<numberOfSigFigsToCount){
tempThisAnswer=tempThisAnswer+"0";
}
// console.error("it is "+tempThisAnswer);
thisAnswer=tempThisAnswer;
//alert(thisAnswer);
//answer=getSigFigs(n1);
//alert (n1 + " who has " + numSigs1);
}
}
}
else{
// console.log("sigFigs");
if ((molar+"").includes("e")){
resetQuestion();
//console.error("here");
return;
}
else if (((molar+"").length-declength)>5){
resetQuestion();
//console.error("here");
return;
}
molar=sigFigs(molar, numberOfSigFigsToCount);
if (Number(getSigFigs(molar))<(numberOfSigFigsToCount)){
if (Number(molar)%1!=0){ //the number contains a decimal.
molar=molar+"0";
}
else if (Number(molar)%10!=0){
molar=molar+".0";
}
}//answer=getSigFigs(n1);
thisAnswer=(molar+"");
// console.log(thisAnswer);
}
var moles =molar*Math.pow(10, m4)
if (m4==0){
moles=molar*Math.pow(10, m3);
}
var answerString=(sigFigs(Number(molar),3))+"";
answer=answerString+" "+getUnit(m4) + "g";
wrongAnswer1=(sigFigs(Number(moles),3))+" "+getUnit(m4) + "g";
wrongAnswer2=(sigFigs(Number(1/moles),3))+" "+getUnit(m4) + "g";
wrongAnswer3=(sigFigs(Number(1/molar),3))+" "+getUnit(m4) + "g";
}
var answers = [];
answers[0] = answer;
answers[1] = wrongAnswer1;
answers[2] = wrongAnswer2;
answers[3] = wrongAnswer3;
for (i = 0; i < answers.length; i++) {
for (j = 0; j < answers.length; j++) {
if ((j != i) && (answers[i] === answers[j])) {
resetQuestion();
break; // setupAnswers(m1, m2, m3, m4, n1, n2, n3, ct, fN);
}
}
}
$("*").removeClass('answer');
$("*").removeClass('wrongAnswer');
$("*").removeClass('wrong');
$("#boxa").addClass('wrongAnswer');
$("#boxb").addClass('wrongAnswer');
$("#boxc").addClass('wrongAnswer');
$("#boxd").addClass('wrongAnswer');
var random3 = Math.floor(Math.random() * 24);
if (random3 === 0) {
$('#bworda').text(answer);
$('#bwordb').text(wrongAnswer1);
$('#bwordc').text(wrongAnswer2);
$('#bwordd').text(wrongAnswer3);
$('#boxa').addClass('answer');
} else if (random3 === 1) {
$('#bworda').text(answer);
$('#bwordc').text(wrongAnswer1);
$('#bwordb').text(wrongAnswer2);
$('#bwordd').text(wrongAnswer3);
$('#boxa').addClass('answer');
} else if (random3 === 2) {
$('#bworda').text(answer);
$('#bwordc').text(wrongAnswer1);
$('#bwordd').text(wrongAnswer2);
$('#bwordb').text(wrongAnswer3);
$('#boxa').addClass('answer');
} else if (random3 === 3) {
$('#bworda').text(answer);
$('#bwordd').text(wrongAnswer1);
$('#bwordb').text(wrongAnswer2);
$('#bwordc').text(wrongAnswer3);
$('#boxa').addClass('answer');
} else if (random3 === 4) {
$('#bworda').text(answer);
$('#bwordb').text(wrongAnswer1);
$('#bwordd').text(wrongAnswer2);
$('#bwordc').text(wrongAnswer3);
$('#boxa').addClass('answer');
} else if (random3 === 5) {
$('#bworda').text(answer);
$('#bwordd').text(wrongAnswer1);
$('#bwordc').text(wrongAnswer2);
$('#bwordb').text(wrongAnswer3);
$('#boxa').addClass('answer');
} else if (random3 === 6) {
$('#bwordb').text(answer);
$('#bworda').text(wrongAnswer1);
$('#bwordc').text(wrongAnswer2);
$('#bwordd').text(wrongAnswer3);
$('#boxb').addClass('answer');
} else if (random3 === 7) {
$('#bwordb').text(answer);
$('#bworda').text(wrongAnswer1);
$('#bwordd').text(wrongAnswer2);
$('#bwordc').text(wrongAnswer3);
$('#boxb').addClass('answer');
} else if (random3 === 8) {
$('#bwordb').text(answer);
$('#bwordc').text(wrongAnswer1);
$('#bwordd').text(wrongAnswer2);
$('#bworda').text(wrongAnswer3);
$('#boxb').addClass('answer');
} else if (random3 === 9) {
$('#bwordb').text(answer);
$('#bwordc').text(wrongAnswer1);
$('#bworda').text(wrongAnswer2);
$('#bwordd').text(wrongAnswer3);
$('#boxb').addClass('answer');
} else if (random3 === 10) {
$('#bwordb').text(answer);
$('#bwordd').text(wrongAnswer1);
$('#bworda').text(wrongAnswer2);
$('#bwordc').text(wrongAnswer3);
$('#boxb').addClass('answer');
} else if (random3 === 11) {
$('#bwordb').text(answer);
$('#bwordd').text(wrongAnswer1);
$('#bwordc').text(wrongAnswer2);
$('#bworda').text(wrongAnswer3);
$('#boxb').addClass('answer');
} else if (random3 === 12) {
$('#bwordc').text(answer);
$('#bworda').text(wrongAnswer1);
$('#bwordb').text(wrongAnswer2);
$('#bwordd').text(wrongAnswer3);
$('#boxc').addClass('answer');
} else if (random3 === 13) {
$('#bwordc').text(answer);
$('#bworda').text(wrongAnswer1);
$('#bwordd').text(wrongAnswer2);
$('#bwordb').text(wrongAnswer3);
$('#boxc').addClass('answer');
} else if (random3 === 14) {
$('#bwordc').text(answer);
$('#bwordb').text(wrongAnswer1);
$('#bwordd').text(wrongAnswer2);
$('#bworda').text(wrongAnswer3);
$('#boxc').addClass('answer');
} else if (random3 === 15) {
$('#bwordc').text(answer);
$('#bwordb').text(wrongAnswer1);
$('#bworda').text(wrongAnswer2);
$('#bwordd').text(wrongAnswer3);
$('#boxc').addClass('answer');
} else if (random3 === 16) {
$('#bwordc').text(answer);
$('#bwordd').text(wrongAnswer1);
$('#bworda').text(wrongAnswer2);
$('#bwordb').text(wrongAnswer3);
$('#boxc').addClass('answer');
} else if (random3 === 17) {
$('#bwordc').text(answer);
$('#bwordd').text(wrongAnswer1);
$('#bwordb').text(wrongAnswer2);
$('#bworda').text(wrongAnswer3);
$('#boxc').addClass('answer');
} else if (random3 === 18) {
$('#bwordd').text(answer);
$('#bworda').text(wrongAnswer1);
$('#bwordb').text(wrongAnswer2);
$('#bwordc').text(wrongAnswer3);
$('#boxd').addClass('answer');
} else if (random3 === 19) {
$('#bwordd').text(answer);
$('#bworda').text(wrongAnswer1);
$('#bwordc').text(wrongAnswer2);
$('#bwordb').text(wrongAnswer3);
$('#boxd').addClass('answer');
} else if (random3 === 20) {
$('#bwordd').text(answer);
$('#bwordb').text(wrongAnswer1);
$('#bworda').text(wrongAnswer2);
$('#bwordc').text(wrongAnswer3);
$('#boxd').addClass('answer');
} else if (random3 === 21) {
$('#bwordd').text(answer);
$('#bwordb').text(wrongAnswer1);
$('#bwordc').text(wrongAnswer2);
$('#bworda').text(wrongAnswer3);
$('#boxd').addClass('answer');
} else if (random3 === 22) {
$('#bwordd').text(answer);
$('#bwordc').text(wrongAnswer1);
$('#bworda').text(wrongAnswer2);
$('#bwordb').text(wrongAnswer3);
$('#boxd').addClass('answer');
} else if (random3 === 23) {
$('#bwordd').text(answer);
$('#bwordc').text(wrongAnswer1);
$('#bwordb').text(wrongAnswer2);
$('#bworda').text(wrongAnswer3);
$('#boxd').addClass('answer');
}
};
// $('#num2').text($('#num1').val());
var getMagnitude = function (othermag) {
var thismag = othermag;
while (thismag == othermag) {
var rannum = (Math.floor(Math.random() * 8));
if (rannum == 0) {
thismag = -9;
} else if (rannum == 1) {
thismag = -6;
} else if (rannum == 2) {
thismag = -3;
} else if (rannum == 3) {
thismag = -2;
} else if (rannum == 4) {
thismag = -1;
} else if (rannum == 5) {
thismag = 0;
} else if (rannum == 6) {
thismag = 3;
}
// else if (rannum==7){
// thismag=6;
// }
}
return thismag;
};
var getUnitSolution =function(rannum){
var thismag="";
if (rannum==0){
}
else if (rannum==-6){
thismag="\u03BC";
}
else if (rannum==-3){
thismag="m";
}
else if (rannum==-2){
thismag="c";
}
else if (rannum==-1){
thismag="d";
}
else if (rannum==3){
thismag="k";
}
// else if (rannum==6){
// thismag="M";
// }
else if (rannum==-9){
thismag="n";
}
return thismag;
};
var getUnit = function (rannum) {
var thismag = "";
if (rannum == 0) {}
else if (rannum == -6) {
thismag = "\u03BC";
} else if (rannum == -3) {
thismag = "m";
} else if (rannum == -2) {
thismag = "c";
} else if (rannum == -1) {
thismag = "d";
} else if (rannum == 3) {
thismag = "k";
}
// else if (rannum==6){
// thismag="M";
// }
else if (rannum == -9) {
thismag = "n";
}
return thismag;
};
var getRandomMolecule = function () {
var moleculeName = "";
randomunitnum = (Math.floor(Math.random() * 6));
if (randomunitnum == 0) {
moleculeName = "CaCl2";
} else if (randomunitnum == 1) {
moleculeName = "NaCl";
} else if (randomunitnum == 2) {
moleculeName = "C6H12O6";
} else if (randomunitnum == 3) {
moleculeName = "(NH4)3N";
} else if (randomunitnum == 4) {
moleculeName = "H2SO4";
} else if (randomunitnum == 5) {
moleculeName = "KBr";
}
return moleculeName;
};
var getMolarMassText = function (unitName) {
var mW = "";
if (unitName == "CaCl2") {
mW = 110.98;
} else if (unitName == "NaCl") {
mW = 58.44;
} else if (unitName == "C6H12O6") {
mW = 180.16;
} else if (unitName == "(NH4)3N") {
mW = 68.16;
} else if (unitName == "H2SO4") {
mW = 98.08;
} else if (unitName == "KBr") {
mW = 119.00;
}
return mW;
};
function decimalPlaces(num) {
var match = ('' + num).match(/(?:\.(\d+))?(?:[eE]([+-]?\d+))?$/);
if (!match) {
return 0;
}
return Math.max(
0,
// Number of digits right of decimal point.
(match[1] ? match[1].length : 0)
// Adjust for scientific notation.
- (match[2] ? +match[2] : 0));
}
var getRandomUnit = function () {
var unitName = "";
randomunitnum = (Math.floor(Math.random() * 6));
if (randomunitnum == 0) {
unitName = "L";
} else if (randomunitnum == 1) {
unitName = "g";
} else if (randomunitnum == 2) {
unitName = "M";
} else if (randomunitnum == 3) {
unitName = "m";
} else if (randomunitnum == 4) {
unitName = "mol";
} else if (randomunitnum == 5) {
unitName = "atm";
}
return unitName;
};
var getRandomConcentrationType = function () {
var unitName = "";
randomunitnum = (Math.floor(Math.random() * 7));
if (randomunitnum == 0) {
unitName = "X";
} else if (randomunitnum == 1) {
unitName = "mg/mL";
} else if (randomunitnum == 2) {
unitName = "%";
} else if (randomunitnum == 3) {
unitName = "M";
} else if (randomunitnum == 4) {
unitName = "g/L";
} else if (randomunitnum == 5) {
unitName = "ppm";
} else if (randomunitnum == 6) {
unitName = ":";
}
return unitName;
};
var getRandomConcentrationTypeSolution = function () {
var unitName="";
randomunitnum=(Math.floor(Math.random()*2));
if (randomunitnum==0){
unitName="%";
}
else if (randomunitnum==1){
unitName="mg/mL";
}
else if (randomunitnum==2){
}
else if (randomunitnum==3){
unitName="M";
}
else if (randomunitnum==4){
unitName="g/L";
}
else if (randomunitnum==5){
unitName="ppm";
}
return unitName;
};
var getCorrectChemicalFormula = function (moleculeName) {
var newName = "";
//randomunitnum=(Math.floor(Math.random()*6));
if (moleculeName == "CaCl2") {
newName = "CaCl" + ("2").sub();
} else if (moleculeName == "NaCl") {
newName = "CaCl" + ("2").sub();
} else if (moleculeName == "C6H12O6") {
newName = "C" + ("6").sub() + "H" + ("12").sub() + "O" + ("6").sub();
} else if (moleculeName == "(NH4)3N") {
newName = "(NH" + ("4").sub() + ")" + ("3").sub() + "N";
} else if (moleculeName == "H2SO4") {
newName = "H" + ("2").sub() + "SO" + ("4").sub();
} else if (moleculeName == "KBr") {
newName = "KBr";
}
return newName;
var newName = "";
//randomunitnum=(Math.floor(Math.random()*6));
// if (moleculeName=="CaCl2"){
// newName="CaCl"+("2");
// }
// else if (moleculeName=="NaCl"){
// newName="CaCl"+("2");
// }
// else if (moleculeName=="C6H12O6"){
// newName="C"+("6")+"H"+("12")+"O"+("6");
// }
// else if (moleculeName=="(NH4)3N"){
// newName="(NH"+("4")+")"+("3")+"N";
// }
// else if (moleculeName=="H2SO4"){
// newName="H"+("2")+"SO"+("4");
// }
// else if (moleculeName=="KBr"){
// newName="KBr";
// }
// return newName;
};
var number;
var numbertwo;
var numberThree;
var coeff1;
var coeff2;
var mag1;
var mag2;
var mag3;
var mag4;
var conctype;
var placeHolderNumber;
var coinFlip;
var roundTypeName;
var coinFlipQuestion;
var questionClass = "dilution";
var questionType;
var resetQuestion = function () {
coinFlipQuestion= (Math.floor(Math.random()*2));
if (coinFlipQuestion==0){
questionClass = "dilution";
}
else {
questionClass = "preparation";
}
if (questionClass == "dilution"){
// $('#boxb').text(35);
// $('#bwordb').text(35);
coinFlip= (Math.floor(Math.random()*2));
if (coinFlip==0){
roundType="decimal";
roundTypeName="decimal places";
}
else{
roundType="sigFigs";
roundTypeName="significant figures";
}
number = (Math.floor(Math.random() * 200));
// var finalNum = number*Math.pow(10, -1*Math.floor(Math.random()*11));
// finalNum=Number(Math.round(finalNum+'e3')+'e-3');
numbertwo = (Math.floor(Math.random() * 200));
numberThree = (Math.floor(Math.random() * 200));
// var finalNumtwo = numbertwo*Math.pow(10, -1*Math.floor(Math.random()*11));