A scuba tank is being prepared for a deep sea dive 9 atms of He, 1.5 atms of Nitrogen gas and 6 atms of oxygen gas are added to the tank. What is the total pressure?

After your body breaks down food what are three things that can happen to the atoms from your food its not chemistry

True or False, the central atom in a molecule is the one with the highest electron affinity.

Are all reactions reversible?

How can a jet create a sonic boom?

What is the formula mass of ethyl alcohol, C2H5OH

Calculate the ΔHrxn for the following reaction: CH4 (g) + 2Cl2 (g) - - > CH2Cl2 (g) + 2HCl (g) Use the following reaction and given ΔH's: CH4 (g) + Cl2 (g) - - > CH3Cl (g) + HCl (g), ΔH = - 99.

Select all that apply to diffusion. A solid cannot diffuse in to another solid. Solids can diffuse in liquids. Liquids can diffuse in liquids. It is the process of intermingling atoms from one substance into another.

We are all familiar with the general principles of operation of an internal combustion engine: the combustion of fuel drives out the piston.

A first order reaction has a rate constant of 0.816 at 25 oC. Given that the activation energy is 22.7 kJ/mol, calculate the rate constant at 34 oC. (enter answer to 3 decimal places)

Part b select the ester that is formed when propanoic acid reacts with isopropyl alcohol in the presence of heat and an acid catalyst.