The moles of oxygen(o) in 2.0 moles of al(oh)3 is
a. 1.0 b.2.0 c. 3.0 d. 4.0 e.6.0

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?