Real gases behave as ideal gases only when they are at

Select one:

a. high temperature and high pressure

b. low temperature and high pressure

c. high temperature and low pressure

d. low temperature and low pressure

One mole of ideal gas goes through an isothermal compression at a temperature of 12 °c. if 7.80 * 102 j of work is done in compressing the gas, what is the change in entropy of the system?

In a solution at 25°c the [H+] is 3.5x10^-6 M. What is the [OH-]? A) 3.5x10^-20 M B) 2.9x10^-9 M C) 1.0x10^-7 M D) 3.5x10^-6 M

Copper (cu) is an example of what? heterogeneous mixture element homogeneous mixture compound

Which of these is a chemical property of a substance? A. texture B. ductility C. reactivity D. conductivity

Which is more acidic black coffee or orange juice

Limiting Reactant For the general reaction stoichiometry of 2A + 3B → D+E, which reactant is the limiting reactant (A or B), if the initial number of moles is 3 moles of A and 4 moles of B?

Molar mass is measured in units of A. amu. B. milliliters. C. milligrams. D. grams/mole.

A compoundwhose water solution conducts electricity and turns phenolphthalein pink is? A. CH3OH B. HC2H3O2 C. HCl D. NaOH

The specific gravity of an object is 14.5. The object displaces 4 mL of water. What is its mass

Select the correct electron configuration for Vanadium. (Atomic Number 23) 1s 2 2s 6 2p 3 3s 2 3p 4 4s 2 3d 5 1s 2 2s 2 2p 6 3s 2 3p 8 4s 2 3d 1 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 3 1s 2 2s 2 2p 5 3s 2 3p 7 4s 1 3d 4