Select the equations that are correctly balanced.

a. H2O + 2O2 → H2O2

b. Fe2O3 + 3H2 → 2Fe + 3H2O

c. Al + 3Br2 → AlBr3

d. CaCO3 → CaO + CO2

If you combine 270.0 ml of water at 25.00 °c and 100.0 ml of water at 95.0 °c, what is the final temperature of the mixture? use 1.00 g/ml as the density of water.

Which of the following actions will lead to a decrease in pressure? decreasing V increasing n decreasing T increasing the number of collisions

Which has more calories: table sugar or aspartame?

Organisms belonging to the same species can mate and produce fertile offspring. T F

What is the meaning of the word theory

Gas is squeezed into a small container is it compressibility or heat of combustion

How is pressure related to buoyant force

How are saturated and supersaturated solutions similar?

Cobalt fluoride crystallizes in a closest packed array of fluoride ions, with the cobalt ions filling one-half of the octahedral holes. What is the formula of this compound?

When you get into a parked car in the summer time, the metal clip is hot and the seat belt fabric is not. What has a higher specific heat, the metal clip or the seat belt fabric? Think about the definition of specific heat.