Answer: 1682 kg/m^3
Explanation:
the formula for density is mass/volume
to get the volume of the metal = Final Volume - Initial Volume
= 15.5 - 10.0 = 5.5mL
density of the metal = 9.25g/5.5mL = 1.682g/mL
to convert from g/mL to kg/m^3, multiply by 1000
density of metal = 1682 kg/m^3
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B. The number of collisions with enough energy to react increases.
The increase in temperature increases the average kinetic energy, so more collisions have enough energy to overcome the activation energy barrier.
Answer:
v2= 5.404L
Explanation:
using Boyle's law
p1 x v1 = p2 x v2
101.325 x 4.31 = 80.8 x v2
v2= (101.325 x 4.31)\80.8
v2= 5.404L