What two things does pressure of gas depends on

Given the following dаta: 2O3 - > 3O2 (enthalpy = - 427 kJ) O2 - > 2O (enthalpy = + 495 kJ) NO + O3 - > NO2 + O2 (enthalpy = - 199 kJ) Calculate the enthalpy for the reaction NO + O - > NO2 using Hess's Law ...?

If a Slinky® is spread out in a straight line along the ground, giving the Slinky® a push or pulse will create a disturbance in the opposite direction of the wave motion. perpendicular to the wave motion. in a circle. parallel to the wave motion.

Tin (ii) fluoride (snf2) is often added to toothpaste as an ingredient to prevent tooth decay. what is the mass of f in grams in 36.5 g of the compound?

What determines the solubility of a molecule in water?

A substance that is dissolved in another substance is which of the following? A) Saturation B) Solubility C) Solute D) Solvent

How many grams of sodium are contained in 0.255 mol of na?

24. The standard free energy of the aldolase reaction (in the reverse aldol direction) is 23.8 kJ/mol. The concentrations of the three metabolites in the hepatocyte are: fructose 1,6-bisphosphate (1.

when sodium carbonate is dissolved in water, it doesn't dissociate, or break up, completely. There is always some sodium carbonate in solution. Knowing this, which of the two samples is most alkaline?

Which of the following cointains electrolytes A. Sodium Chloride solution B. Pure water C. Covalent molecules D. sugar solution

What is the section of lithosphere that carries crust