Chemistry, 08.10.2019 00:40 debramknoxx
Which statement correctly describes a chemical reaction?
a. reactants come out of a reaction.
b. energy is always released.
c. bonds between atoms break and new bonds form.
d. products go into a reaction.
Answers: 2
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When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —
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High-pressure liquid chromatography (hplc) is a method used in chemistry and biochemistry to purify chemical substances. the pressures used in this procedure range from around 500 kilopascals (500,000 pa) to about 60,000 kpa (60,000,000 pa). it is often convenient to know the pressure in torr. if an hplc procedure is running at a pressure of 1.03×108 pa , what is its running pressure in torr?
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Which statement correctly describes a chemical reaction?
a. reactants come out of a rea...
a. reactants come out of a rea...
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