Which coefficients correctly balance the formula equation nh4no2 (s) ® n2 (g) + h2o (l) ?

A) How many grams of water are produced when 2.50 g of aluminum hydroxide are used? show all your work. b) when this reaction is completed in the laboratory 1.50g of water was produced.

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. Increasing the concentration of reactants will increase A. how often they come in contact B. the amount of energy they have C.

How to predict crystal structure given density, atomic radius, atomic weight?

If a substance has ph of 3.2 what is the poh

The concentration of the particles in the solid phase always remains the same regardless of how much quantity is present true or false

Boyle's law is represented by which equation

A hot-water heater has an 8-ohm element that operates at 240 V. The power that's consumed by this water heater is A. 1,920 W. B. 30 W. C. 900 W. D. 7,200 W.

A car travels 66 kilometers in 3 hours. what is its speed

Which of the following elements has the lowest ionization energy? Rb Sr Cs Ba Xe

Which is a diatomic molecule? Select one: a. CH4 b. H2O c. O2 d. N