A number written in front of a chemical formula is a what?

Which activity will NOT cause an increase in reaction rate? catalyst inhibitor surface area temperature

What happens if u mix 2 negitive things together

When we reverse a chemical equation, we multiply it's delta H value by

Which pair of elements would form an ionic bond? carbon (C) and oxygen (O) strontium (Sr) and chlorine (Cl) cesium (Cs) and germanium (Ge) magnesium (Mg) and aluminum (Al)

If energy was included in a chemical reaction, on which side of the equation would it be written for an endothermic reaction?

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.

Do metals form anions or cations