The movement of thermal energy from a warmer object to a cooler object is called

a.

heat.

b.

temperature.

c.

motion.

d.

momentum.

What property of water molecules leads to high surface tension?

When nitrogen and magnesium form an ionic bond, what is the formula?

What would happen to telemachus' mother if he does not leave to search for his father?

Your task is to measure the amount of energy evolved during the combustion of some hydrocarbon. Which of the following would be the ideal technique for this experiment? a. bomb manometry b. coffee-cup calorimetry c. bomb calorimetry

If methyl orange is added to a substance and it turns the substance red, what does this tell you about the pH of the substance? Would this substance be an acid or a base?

How many molecules of liquid ethanol are in 1.00mL of ethanol, given its density of 0.789 g/mL

Which of these factors makes nuclear energy unsustainable? A. Nuclear power plants last the longest. B. Nuclear energy requires wind turbines. C. Nuclear power plants cost the most to build. D. Nuclear energy relies on uranium.

A star is estimated to have a mass of of 2 X 10^36 kg. Assuming it to be a sphere with an average radius of 7.5 X 10^5 km, calculate the average density of the star in units of grams per cubic centimeter. Density = g/cm^3

Which is the correct net ionic equation for the reaction of aqueous ammonia with nitric acid? Which is the correct net ionic equation for the reaction of aqueous ammonia with nitric acid? a. NH3 (aq) + NO3? (aq) - -> NH2 - (aq) + HNO3 (aq) b.

A mineral crystallizes from magma deep inside Earth. Which characteristics can be determined given only the information above? luster streak crystal size crystal structur