Answer:
25.04 g is the mass of pentane
Explanation:
Pentane density = Pentane mass / Pentane volume
1 cm³ = 1mL
0.626 g/mL = Pentane mass / Pentane volume
0.626 g/mL = Pentane mass / 40 mL
0.626 g/mL . 40 mL = Pentane mass → 25.04 g
For the first one I think it’s A, and I think the second one is C. Those seem most logical.
Answer:
You can better relate to the air temperature.
Explanation:
Fahrenheit gives you almost double the precision of Celsius without having to use decimals.
it is either "aweak acid or a lousy (or very weak) acid"
