A3.53g sample of (nh4no3) was added to 80.0mlof water in a constant pressure calorimeter of negligible heat capacity. as a result the temperature of the water decreased from 21.6c to 18.1c calculate the heat of solution of nh4no3. me

Astudent conducts an experiment to determine how the amount of water given to a plant affects its growth. what is the independent variable for this experiment?

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?