Calculate the mass of 6.9 moles of nitrous acid (HNO2). Show your work by including all values used to determine the answer. Round to 2 Significant Figures for full credit. (Molar mass of H = 1.0079 g/mol; N = 14.0067 g/mol; O = 15.9994 g/mol)
the mass of 6.9 moles is 33

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

Compare and contrast physical changes with chemical changes.

Sugar is dissolved in water. which is the solute? sugar neither both water