A 6.0 l container holds a sample of hydrogen gas at 150 kpa. if the pressure increases to 2 atm and the temperature remains constant, what will the volume be?

Metalloids have properties of both metals and nonmetals a. True b. False

What is the molar mass of CHCl3? 48.47 g/mol 83.92 g/mol 119.37 g/mol 121.39 g/mol

Calculate the molarity of 25.0 grams of KBr dissolved in 750.0 mL

Which of the following is true in regard to ions? A. A cation will hold a positive charge if it gains one or more electrons. B. An ionized atom has a number of protons that is unequal to the number of electrons. C.

What is the process of grouping similar things together

What is the solution to the problem expressed to the correct number of significant figures? 2.13 + 1 = ?

Phosphoric acid is a triprotic acid (K a1 = 6.9 * 10 - 3, K a2 = 6.2 * 10 - 8, and K a3 = 4.8 * 10 - 13).

The best explanation for the decrease in the amount of energy transferred to each succeeding level is that much of the energy is

Are the following elements an electron lender or borrower and how many electrons? Calcium / Gold / Cobalt / copper

Students in a chemistry class added 5 g of Zinc to 50 g of hydrochloric acid. A chemical reaction occurred that produced zinc chloride and 6 g of hydrogen gas. What is the mass of the zinc chloride?