Starting as a solid at -25°C, a sample of water is heated at a constant rate until the sample is at 125°C. This heating occurs at standard
pressure. The graph below represents the relationship between temperature and heat added to the sample.
Heating Curve for H2O
125
F
D
100.
E
75
Temperature (°C)
50.
25
BC
0-
-25-
<
12
20.
28
36
44
52
60.
Heat Added (kJ)
a. Explain, in terms of heat of fusion and heat of vaporization, why the heat added during interval DE is greater than the heat added
during BC for this sample of water.
b. Describe what happens to both the potential energy and the average kinetic energy of the molecules in the water sample duirng
interval AB
c. Using the graph, determine the total amount of heat added to the sample during interval
Please hurry answering all!:)
Answers: 2
Chemistry, 22.06.2019 18:40
What is the binding energy of a nucleus that has a mass defect of 5.81*10-^29 kg a 5.23*10-^12 j b 3.15* 10^12 j c 1.57*10-3 j d 9.44*10^20 j
Answers: 1
Chemistry, 23.06.2019 01:10
Volume is a measurement of how fast particles of a substance are moving
Answers: 3
Chemistry, 23.06.2019 05:30
According to thomson, the atom is a positively charged cloud with electrons scattered throughout. what would the alpha particles do when they hit the foil if thomson were correct
Answers: 1
Chemistry, 23.06.2019 06:30
Aplanet similar to earth has four moons roughly the same distance away. the moon that will most affect tides on the planet is the one that has the greatest a) mass. b) volume. c) density. d) amount of water.
Answers: 1
Starting as a solid at -25°C, a sample of water is heated at a constant rate until the sample is at...
Mathematics, 03.06.2021 08:00
Mathematics, 03.06.2021 08:00
Mathematics, 03.06.2021 08:00
English, 03.06.2021 08:00
Mathematics, 03.06.2021 08:00
Mathematics, 03.06.2021 08:00
Mathematics, 03.06.2021 08:00
Mathematics, 03.06.2021 08:00