What is the percent composition by mass of nitrogen in NH4NO3 (gram-formula mass = 80.0 grams/mole) ?

(1) 17.5% (3) 52.5%

(2) 35.0% (4) 60.0%

Radioactivity is the spontaneous emission of radiation from unstable elements. the emission of light from matter when exposed to radio waves. the spontaneous emission of radio waves from matter.

What best describes heat? energy that is carried by electric and magnetic fieldsenergy that decreases as a car slows to a stopenergy that increases as a book is lifted to a higher shelfenergy that flows from a hot mug of tea to a cold hand?

By titration it is found that 38.1 ml of 0.147 m naoh (aq) is needed to neutralize 25.0 ml of hcl (aq). calculate the concentration of the hcl solution.

Ocean water is sometimes referred to as saline water as it contains significant concentrations of dissolved salts. true or false

If you start with 10.0 grams of lithium hydroxide and an excess of hydrogen bromide, how many grams of lithium bromide will be produced?

What is the product of the chemical reaction ... Au+O2

Compare and contrast the compounds CH4 and PH3 in terms of covalent bonding, molecular geometry (shape), and intermolecular forces. Which substance would experience a stronger attraction between its molecules, and why?

How do consumers energy

Given that the molar mass of NaCl is 58.44 g/mol, what is the molarity of a solution that contains 87.75 g of NaCl in 500. mL of solution? moles of solute Use molarity - liters of solution

What are 3 ways to seperate metal particles and salt