Author Question: Which has the greater effect in cooling a substance, 1 g ice at 0C or 1 g water at 0C? ... (Read 40 times)

folubunmi · **on:** Jul 28, 2018

Which has the greater effect in cooling a substance, 1 g ice at 0C or 1 g water at 0C? Explain.

Question 2

Several resistors are connected in series. Which of the following statements is correct? Choose all that are correct.
1.The equivalent resistance is greater than any of the resistances in the group.
2.The equivalent resistance is less than any of the resistances in the group.
3.The equivalent resistance depends on the voltage applied across the group.
4.The equivalent resistance is equal to the sum of the resistances in the group.
5.None of those statements is correct.

laurnthompson · **Reply #1 on:** Jul 28, 2018

Answer to Question 1

One gram of ice, because it will take 80 cal of heat to change phase from ice to water
at 0C.

Answer to Question 2

1,4