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a.
is an indicator of the amount of thermal energy that an object possesses.
b.
only pertains to heat transfer, not thermal energy.
c.
is exactly the same as thermal energy.
d.
is not related to thermal energy.

1. an ice cube that is dropped into a glass of water melts because
a.
the ice is denser than the water.
b.
the water is denser than the ice.
c.
the water is liquid, and the ice is solid.
d.
heat energy moves from the water to the ice.

2.what type of energy transformation occurs when a light bulb is turned on?
a.
mechanical energy is converted into kinetic energy.
b.
electrical energy is transformed into heat and mechanical energy.
c.
electrical energy is transformed into heat and light energy.
d.
potential energy is converted into kinetic energy.

What is the number of moles in 15.0 g ash3?

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation. 8. when a 2.5 mol of sugar (c12h22o11) are added to a certain amount of water the boiling point is raised by 1 celsius degree. if 2.5 mol of aluminum nitrate is added to the same amount of water, by how much will the boiling point be changed? show all calculations leading to your answer or use 3 – 4 sentences to explain your answer. 9. if 5.40 kcal of heat is added to 1.00 kg of water at 100⁰c, how much steam at 100⁰c is produced? show all calculations leading to an answer. 10. the freezing of water at 0⁰c can be represented as follows: h2o (l) ↔ h2o(s) the density of liquid water is 1.00 g/cm3. the density of ice is 0.92 g/cm3. in 3 – 4 sentences explain why applying pressure causes ice to melt.