A 22.4-L sample of which of the following substances, at STP, would contain 6.02 X 10^23 representative particles?

a) oxygen

b) gold

c) cesium iodide

d) sulfur

If 20 ml of gas is subjected to a tempature change from 10 Celsius to 100 Celsius and a pressure change from 1 atm to 10 atm, the expression best representing the new volume is?

When the equal molar amounts of of both the acid and the base were reacts, what happened in the reaction?

What mass of silver oxide, ag2o, is required to produce 25.0 g of silver sulfadiazine, agc10h9n4so2, from the reaction of silver oxide and sulfadiazine?

What organism changed the atmosphere?

If the mass of a liquid is 60 g and the volume is measured at 15 ML, what is the density?

When placed in a 200-mL square box, a substance has a spherical shape and has a volume of 75 mL When placed in a 200-mL circular tube, the same amount of that same substance has a spherical shape and a 75-mL volume.

What is the example to the word camouflage

Given the reaction 2NaOH + H2SO4 = Na2SO4 + 2H2O, what is the total number of grams of NaOH needed to react completely with 196 grams of H2SO4

The mass flow rate of gasoline leaving a refinery is 1610 kg/min. The specific gravity of a gasoline is 0.700. A retail gasoline pump is able to fill a 20.0 gallon automobile tank in 1.80 minutes.

Calculate the solubility of cux (ksp=[cu2+][x2-]=1.27*10-36) in a solution that is 0.190 m in nacn.