Consider the following standard heats of formation:
p₄o₁₀(s) = -3110 kj/mol
h₂o(l) = -286 kj/mol
h₃po₄(s) = -1279 kj/mol
calculate the change in enthalpy for the following process:

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

How many grams of aluminum will there be in 98g of al2o3?

If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?