What are transferred in an oxidation-reduction reaction?

a. protons

b. ions

c. electrons

d. atoms

Which reaction occurs when hydrogen ions react with hydroxide ions to form water? A. substitution B. saponification C. ionization D. neutralization

Which is true with respect to the kinetic energy of a molecule? O A. it is the lowest at low temperatures B. it increases at low temperatures C. it is the same at all temperatures D. it is the lowest at high temperatures

For a particular lab experiment, you need 150 mL of a 2.50 M solution of ammonium nitrate. How many grams of NH4NO3 will you need for the solution? 8.0 g 10.02 g 25.0 g 875.0 g 30.0 g

If a Kg of an ointment contains 350 gms of active ingredient, what is the percentage strength of the ointment? 25%. 35%. 50%. 70%.

Which three temperature readings all mean the same thing? A). 100 Kelvin, 0 degrees Celsius, 32 degrees Fahrenheit B). 273 Kelvin, 0 degrees Celsius, 212 degrees Fahrenheit C). 373 Kelvin, 100 degrees Celsius, 212 degrees Fahrenheit D).

Which of the following errors could cause your percent yield to be falsely high, or even over 100%? Select ALL that apply. A.) Heating the sample too vigorously. B.) Handling the crucible directly with your hands. C.

If 56.8 ml of bacl2 solution is needed to precipitate all the sulfate ion in a 554 mg sample of na2so4 (forming baso4), what is the molarity of the solution?

is the number of total atoms on the left side of a balanced equation always equal to the number of total atoms on the right side of the equation?

Compared to a sample of helium at STP, the same sample of helium at a higher temperature and a lower pressure A) condenses to a liquid. B) is more soluble in water C) forms diatomic molecules. D) behaves more like an ideal gas

What country was overrun by the Japanese