At constant temperature, a sample of helium at 760. mmhg in a closed container was compressed from 5.00 l to 3.00 l, with no change in moles or temperature. what was the new pressure exerted by the helium on its container?

Rank the following solutes in order of increasing entropy when 0.0100 moles of each dissolve in 1.00 liter of water. (a) NaBr (b) Cr (NO3) 3 (c) CaCl2 (d) C6H12O6

Write the word equation for HNO3+NaHCO3->NaNO+H2O+CO2

Which of the following is a correct and balanced equation showing the reaction of calcium and oxygen? (While several of the equations may be balanced, only one has the correct products and reactants as well as being correctly balanced.) A. a.

Is water more acidic than hydrocarbons?

How does acid rain affect directly or indirectly a certain species of plant or animal?

Cual es la función de los lípidos?

Butane - ethane - methane - propane: What do these hydrocarbons have in common? A) The same number of carbons present. B) They all have polar covalent bonds. C) They all have single covalent bonds. D) They have the same structural formulas.

Identify the form of energy that is converted into ther - mal energy by your body

Determine the number of moles of sulfur trioxide produced when 3.5 moles of oxygen gas is consumed in the reaction

For each of the following balanced oxidation-reduction reactions, (i) identify the oxidation numbers for all the elements in the reactants and products and (ii) state the total number of electrons transferred in each reaction. 1.