True, buoyancy is the force a fluid exerts upon an object on its surface.
The answer is <span>B) an explosion
An </span>exothermic reaction is a chemical reaction that is caused by heat and light.
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Okay
Mr (H2O)= 18g
therefore moles of H2O
is 720.8/18= 40.04mol
the ratio of H2 to O2 to H2O is
2 : 1 : 2
so moles of H2 is same as H2O here
H2= 40.04moles
moles of O2 is half
so 40.04 x 0.5
20.02moles
grams of O2 is
its moles into Mr of O2
that's 20.02 x 32 = 640.64g
Answer:
B) The average speed of the car increases as distance traveled increases.
Explanation:
