Which terms are used to identify pure substances?

(1) an element and a mixture

(2) an element and a compound

(3) a solution and a mixture

(4) a solution and a compound

In Part A, we saw that the theoretical yield of aluminum oxide is 0.800 mol. Calculate the percent yield if the actual yield of aluminum oxide is 0.456 mol.

The lowest temperature recorded in a particular city during the past year was - 15.68 ° c. What was the temperature on the Kelvin scale?

Which of the following statements about quantum numbers is true? A. A maximum of 12 electrons can be held inside p orbitals. C. The principle number (n) refers to the direction an electron is spinning. B.

Which type of equilibrium exists in a sealed flask containing Br2 (ℓ) and Br2 (g) at 298 K and 1.0 atm? (1) static phase equilibrium (2) static solution equilibrium (3) dynamic phase equilibrium (4) dynamic solution equilibrium

The molarity (M) of an aqueous solution containing 15.6 g of sucrose, C12H22O11, in 65.5 mL of solution is: 6.96 x 10-4 M. 2.47 x 10-2 M. 0.696 M. 1.33 M.

Why do scientists say that this technology will not harm fish in the area?

What is the primary cause of global wind patterns on earth?

What is the central argument about global warming

How many mL of a 4.50M NaBr solution are needed to make 250 mL of a 0.75M solution of NaBr?

Calculate the density of propanol c3h8o if you know that there are 1.069*1025 molecules of propanol in 1.35 l.