What must happen for ice to melt at a given pressure?
A. The average kinetic energy of the water molecules must decrease.
B. Thermal energy must be transferred to the ice from its
surroundings.
C. The orderliness of the water molecules must decrease.
D. Thermal energy must be transferred from the ice to its
surroundings.
Answers: 3
Chemistry, 21.06.2019 20:30
Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge
Answers: 1
Chemistry, 22.06.2019 05:30
Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.
Answers: 1
Chemistry, 22.06.2019 06:10
How many moles of gas are present if p=11 atm, v=12l, t=185k?
Answers: 1
Chemistry, 22.06.2019 15:30
Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium
Answers: 1
What must happen for ice to melt at a given pressure?
A. The average kinetic energy of the water mo...
History, 17.09.2019 19:00
Mathematics, 17.09.2019 19:00
Chemistry, 17.09.2019 19:00
Social Studies, 17.09.2019 19:00
Mathematics, 17.09.2019 19:00
Biology, 17.09.2019 19:00
History, 17.09.2019 19:00
Mathematics, 17.09.2019 19:00
Physics, 17.09.2019 19:00
Biology, 17.09.2019 19:00
Mathematics, 17.09.2019 19:00
Mathematics, 17.09.2019 19:00