Write the balanced equation for the burning of nonane, c9h20, in air.

1. If a maximum of 5.60g of a gas at 2.50 atm of pressure dissolves in 3.5-L of water, what will the solubility be if the pressure changes to 5.00atm?

Which type of front usually brings thunderstorms and storms

1. In order to make 1 salad it requires 1 head of lettuce, two tomatoes and three carrots. What would be the coefficients for the lettuce, tomatoes, and carrots assuming you wanted to make 3 salads? Write the coefficients below!

If calcium has the atomic number 20 mass number 40, both protons and neutrons are 20 would that make its electrons 18 or 22?

Which equation was used by Albert Einstein to explain the photoelectric effect? [E = energy, h = Planck's constant, and v = frequency.] E = h/v E = hv E = v/h E = h - v

Study the following unbalanced redox reaction. Which one of the following choices represents the balanced redox equation? PbS + O2→ PbO + SO2 PbS + 2O2→ PbO + 2SO2 2PbS + 2O2→ 2PbO + 2SO2 2PbS + 3O2→ 2PbO + 2SO2 3PbS + 3O2→ 2PbO + 2SO2

Arrange these gases in order of decreasing standard molar entropy: Rank from largest to smallest. Kr, Cl2, SO3

A car traveled at a constant velocity of 70 mph from noon to 2:00 pm. At 3:00 pm the velocity of the car was 80 mph; and finally at 4:30 pm the velocity of the car was 40 mph.

How do you number cycloalkanes?

What causes the centripetal accleeration of an electron in a hydrogen atom?