Which examples represent chemical changes? Check all that apply.

burning wood

souring milk

melting copper to join two copper pipes together

browning of a cut apple

cutting a potato into small pieces

A bomb calorimetric experiment was run to determine the enthalpy of combustion of ethanol. The reaction is The bomb had a heat capacity of 490 J/K, and the calorimeter contained 730 g of water. Burning 4.

What particles does air contain?

Consider the reaction. When does the given chemical system reach dynamic equilibrium? when the forward and reverse reactions stop when the rate of the forward reaction is higher than the rate of the reverse reaction when the concentration of the

How much heat is required to convert 2.55g of water at 28.0 degree celsius to steam 100 degree celsius

701.28 grams of SO2 is held at 3606.96 torr and 603.2oC. What is the volume of the container can some one answer this?

Convert 1.21 kg to grams

What are the 3 factors that can affect the strain of rock?

16. Why can grinding a solid into a fine powder increase the rate of reaction?

What is one difference between a mixture and a compound?

The Ksp of cobalt (II) hydroxide, Co (OH) 2, is 5.92 * 10-15. Calculate the molar solubility of this compound.