if 5.00g of nitrogen gas and 15.0g of hydrogen is added to an evacuated 7.50l steel container and the steel container is sealed at room temparature of 25.5C. what is the initial temperature of each gas

What did the immigration act of 1965 do?

A chemist determined by measurements that 0.050 moles of aluminum participated in a chemical reaction. Calculate the mass of aluminum that participated in the chemical reaction. Be sure your answer has the correct number of significant digits.

The pressure gauge on a compressed air tank reads 43.2 pounds per square inch (lb/in?). What is the pressure in atmospheres (atm) ?

A water molecule has bonds with an unequal charge distribution. Choose all the statements that apply to water. * Water is a polar covalent molecule. * Water is a nonpolar covalent molecule. * Water is an ionic molecule. * Water is a bent molecule.

Name two metals that do not always lose the same number of electrons

In the process of oxidizing i - to i2, so42 - is reduced to so2. how many moles of so2 are produced in the formation of one mole of i2? express your answer numerically in moles.

Does pressure decrease when a gas is removed

This is the ability of matter to change into a different substance.

How can I write ecology in my own words for a definition

The amount of time it takes for one-half of the original amount of an isotope to decay is known as its