Which substance is an electrolyte? Consider the numbers in the chemical formulas as subscripts.

Which of the following variables below, if any, are equivalent to the following alphanumeric literals?  double foo = 7 / (double) 2;double bar = 7 / 2;double baz = (double) (7 / 2); int cake = (int) foo; double jam = (double) 14 / 4; foo [answer1] equivalent to 3.5 bar [answer2] equivalent to 3.5 baz [answer3] equivalent to 3.5 cake [answer4] equivalent to 4 jam [answer5] equivalent to 3.5

Predict the output of the following program. public static void main(String[] args) { int var1 = 9 / 2; int var2 = (int) (2.5 * 4.0); boolean var3 = !(++var2 > 6); boolean var4 = var1

Find the errors in the following code snippets. public static sum(int num) { int num = 2; int i; double sum = 0; while (i < num) { sum += i; }}

How many lone pairs of electrons are present on the nitrogen atom in the Lewis structure of NCl3?

What is the output of the following program? public static void main(String[] args){   int num1 = 16;   int num2 = 26;   double num3 = 1.5;   int num4 = num3 + num2 – num1;   System.out.println(num4);}

What is the output of the program? public static void main(String[] args){   int num1 = 6;   int num2 = 36;   double num3 = 10.5;   int num4 = num3 + num2 – num1;   System.out.println(num4);}

A balloon that contains 0.500 L of helium at 25°C is cooled to 11°C, at a constant pressure. What volume does the balloon now occupy? DO NOT INCLUDE THE UNIT IN YOUR ANSWER. (Neatly write your calculation on a scratch paper, show your work slowly on the webcam before you submit the test. Take a photo of your work, and submit it on Final Exam Work assignment on the module.) 

Which species is a diprotic acid? Consider the numbers in the chemical formulas as subscripts, and ionic charges as superscripts.

What is the chemical formula of lead(II) perchlorate? Consider the numbers in the chemical formulas as subscripts, and ionic charges as superscripts.