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 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 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 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
• it shows that no atoms have been gained or lost during the reaction
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 GPT 3.5
• two
Answered by GPT 3.5
O six