Name the subatomic particles contained in the nucleus of the atom

What is the solution to the proportion 3/m = 12/15 A. m = 2.4 B. m = 3.75 C. m = 4.5 D. m = 4.75

Combustion analysis of an unknown compound containing only carbon and hydrogen produced 0.2845 g of co2 and 0.1451 g of h2o. what is the empirical formula of the compound?

What is the mass of 5.30 * 1022 formula units of Ba (NO3) 2? 0.09 g 12.0 g 23.0 g 3,130 g

What will happen if two substances are put into contact in an isolate system?

Which of the following most likely happens when the number of particles of a gas decreases? The pressure of the gas increases The pressure of the gas remains same The number of collisions of gas particles decreases The number of collisions of gas

Can quadrilateral RSTU be a parallelogram

Four moles of hydrogen chloride (HCl) gas react with one mole of oxygen (O2) gas to produce two moles of chlorine gas (Cl2) and two moles of water gas (H2O).

The density of rubbing alcohol is 0.785g/mL at 25 Celsius. Calculate the mass of 15.0 mL of the rubbing alcohol.

Is the universe an isolated system?

1000ml of a gas is cooled from 500 K to 250 K, what is it's final volume? A. 250 ml B. 1000 ml C. 500 ml D. 750 ml E. 2000 ml