Chemistry, 01.03.2021 22:10 badatmathmate8388
A 1 mole sample of hydrogen gas has the same number of hydrogen atoms as a 2 mole
sample of water molecules (H2O).
O True
False
Answers: 1
Chemistry, 21.06.2019 19:30
Motivation cannot be developed with practice; a person either possesses it or they do not.
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Chemistry, 22.06.2019 04:40
Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)
Answers: 2
Chemistry, 22.06.2019 13:30
Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?
Answers: 1
Chemistry, 22.06.2019 17:30
Energy defines the different "states" of matter. in no more than 3 sentences, describe the amount of kinetic energy that each of the 3 states of matter possesses and relate that to the atom/molecular motion of each "state".
Answers: 2
A 1 mole sample of hydrogen gas has the same number of hydrogen atoms as a 2 mole
sample of water m...
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