Balance the following equation: (3pts) Al + HBr - -> AlBr3 + H2

The pressure of a gas increases as the number of moles of gas increases because - a) stronger intermolecular forces are redirected to the walls of the container b) stronger intermolecular forces push the particles farther apart c) more particles

What is speed? rate of motion rate and direction of motion the direction of motion the force of motion

The density of iron is about blank times greater than water.

The planet Saturn has a mass of 5.69x10 26 and volume 8.01x10 23 m3 what is the density of Saturn? Would Saturn sick or float if you could place it in a gigantic bathtub filled with water?

28.5g of iron shot is added to a graduate cylinder containing 45.50 mL of water. The water level rises to the 49.10 mL, From this information calculate the density of the iron?

How many nitrogen molecules are in 1.2 moles of N2?

Which best describes how sediment forms?

Detailed explanation of why the sky is blue

Becky leaves home and write a distance of 30 KM it took her 2.5 hours what is her speed

Describe the weather associated with a high presurre system