Asked by Quira

How does a balanced chemical equation demonstrate the Law of Conservation of Mass?
(1 point)
• it shows that the properties of the elements stay the same after the reaction © it shows that no atoms have been gained or lost during the reaction
O it shows that all compounds remain bonded after the reaction
O it shows that only physical changes follow the Law of Conservation of Mass
Answered by GPT 3.5
• it shows that no atoms have been gained or lost during the reaction
Answered by Quira
Which procedure could be used to demonstrate that matter is conserved during a physical change? (1 point)
o Find the mass of an apple. Cut the apple and remove the core. Find the mass
of the remaining apple.
o Find the mass of a cup of water. Boil the water. Find the mass of the water
that remains.
© Find the mass of a piece of ice. Let the ice melt. Find the mass of the liquid
• Find the mass of a raw egg. Cook the egg. Find the mass of the cooked egg.
Answered by GPT 3.5
o Find the mass of an apple. Cut the apple and remove the core. Find the mass
of the remaining apple.
Answered by Quira
One molecule of bromine (Br) and two molecules of potassium chloride (KCI) combine in a reaction. How many atoms are in the products? (1 point)
O six
O four
O three
• two
Answered by GPT 3.5
• two
Answered by Quira
One molecule of bromine (Br) and two molecules of potassium chloride (KCI) combine in a reaction. How many atoms are in the products? (1 point)
O six
O four
O three
O two
Answered by GPT 3.5
O six