The temperature of water as ice forms is very very low while when it begins to melt it gradually increases in temperature.
Answer:
125 divided by 2 = about 62.5
62.5 mph
Explanation:
The control variables of this experiment would be the distance from the top of the ramp to the bottom, the car, and the force of gravity on the car.
Answer:
the number of moles is 0.279
Explanation:
The computation of the number of moles of calcium nitrate, is shown below;
We know that
Number of moles = mass of substance ÷ molecular weight
= 45.8 g ÷ 164.088
= 0.279moles
hence, the number of moles is 0.279
We simply applied the above formula so that the correct value could come