PLEASE HELP 2 NH3 + 3 CuO — 3 Cu + N2 + 3 H20
In the above equation, how many grams of N2 can be made when 5.9 moles of CuO are consumed?

Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest

Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.