De When the reaction
Cu +
H2SO4 →
CuSO4 + SO2 + H2O is completely
balanced using smallest whole numbers, the
coefficient of H2O will be

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

What kind of ion is contained in salts that produce an acidic solution? a positive ion that attracts a proton from water a positive ion that releases a proton to water a negative ion that attracts a proton from water a negative ion that releases a proton to water

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer