This equation indicates that the reaction gives off heat. What is this type of reaction called? 2C4H10 + ? O2? 8CO2 + 10H2O + heat

a. an exothermic reaction

b. an endothermic reaction

c. absorption reaction

d. precipitation reaction

What are 3 ways to make a solute dissolve faster in a solvent?

How many moles of nitrogen, N, are in 71.0g of nitrous oxide, N2O?.

Why are sublimation and deposition unusual changes of state

N2 ( g. 3h2 ( g. 2nh3 ( g., what will happen if more nitrogen gas is added?

If the percentage ionization of an 0.10 M acid is 3.0%, what is its pH 3.52 1.52 2.52 0.52

Why electrons are transferred during the course of the reaction between magnesium and oxygen?

Human muscle stores sugars in the form of

How much heat is needed to raise the temperature of 75 g of a substance by 15 C when the specific heat is 0.92 J/g-C?

A nitric acid solution flows at a constant rate of 5L/min into a large tank that initially held 200L of a 0.5% nitric acid solution. The solution inside the tank is kept well stirred and flows out of the tank at a rate of 10L/min.

How many molecules are in 237g (about a cup of water)