Question 1

Which substances have the same number of Carbon atoms?

Accepted Answer

Substances 1 & 3 only

Answer

Substances 1 & 2 only

Answer

Substances 2, 3, & 4

Answer

Substances  2 & 3 only

Question 2

How many atoms are represented in the reactants of the equation?

Accepted Answer

36

Answer

12

Answer

6

Answer

24

Question 3

In which of these compounds are there twice as many oxygen atoms as hydrogen atoms?

Accepted Answer

$H_2SO_4$

Answer

$H_2O$

Answer

$H_3PO_4$

Answer

$HClO_3$

Question 4

What information could a student determine from only the chemical equation of a protein?

Accepted Answer

The number of atoms of each element of the protein

Answer

The color of the protein

Answer

The number of molecules in each sequence that make up a protein

Answer

The physical arrangements of atoms in the structure of the protein

Question 5

Which of these formulas contain an equal number of Nitrogen atoms?

Accepted Answer

Formulas I, II, and V

Answer

Formulas I and IV

Answer

Formulas II and III

Answer

Formulas I and III

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