Question

Question 1 (1 point)
The reactants in a chemical equation have 3 carbon atoms, 6 oxygen atoms, and 4 hydrogen atoms. In order to follow the conservation of matter, the products of the chemical equation will have:

a
more atoms of each element.
b
fewer atoms of different elements.
c
the same number of atoms of each element.
d
the same number of atoms but of different elements.
Question 2 (1 point)
Nieko purchases a box of granola cereal that has a mass of 0.312 kg. When he gets home, he sorts the cereal into groups: oats, raisins, and nuts. Next, he measures the mass of each group. What will Nieko find when he adds together the mass of each group?

a
The total mass of the groups will be greater than 0.624 kg.
b
The total mass of the groups will be 0.624 kg.
c
The total mass of the groups will be 0.312 kg.
d
The total mass of the groups will be greater than 0.312 kg.

Answer 1

Question 1: c — the same number of atoms of each element.

Question 2: c — the total mass will be 0.312 kg (mass is conserved).