Which statement best describes a weak acid?

A.

turns blue litmus paper red

B.

conducts electricity and tastes sour

C.

partially ionizes and is corrosive to metals

D.

fully dissociates and establishes an equilibrium in solution

How many atoms are in a sample of chromium with a mass of 13 grams?

How do you find the atomic mass mass number of an atom? A. Add the number of protons and neutrons together B. Subtract the number of protons by the number of neutrons C. add the number of protons and elections together D.

How large a volume is need to contain 21 grams of silver? (info: density of silver is 10.5)

You wish to calculate the mass of hydrogen gas that can be prepared from 4.93 g of srh2 and 4.14 g of h2o.

Which two notations represent atoms that are isotopes of the same element? a. 12150sn and 11950sn b. 12150sn and 12150sn c. 198o and 199f d. 3917cl and 3919k?

Which reactants form the salt CaSO4 (s) in a neutralization reaction? (1) H2S (g) and Ca (ClO4) 2 (s) (2) H2SO3 (aq) and Ca (NO3) 2 (aq) (3) H2SO4 (aq) and Ca (OH) 2 (aq) (4) SO2 (g) and CaO (s)

Describe the process by which ozone can be formed in large cities.

What naturally occurring radioisotope is used as the fuel for a nuclear reactor?

NO2+H4➡2 H2O+N What are the elements

A sample of nitrogen gas (N2) containing 1.5 x10^23 particles has the same number of particles as a sample containing: A. 0.50 moles Ne B. 2.0 moles He C. 1.0 moles hydrogen gas D. 25 moles oxygen gas