Chemistry, 23.07.2019 10:00 nestergurl101
Bob mixed 5 mg of sodium hydroxide pellets in 100 ml of water. describe how the rate of the solution changes when he adds 1 mg more of sodium hydroxide pellets. a) as more solute dissolves, the rate of solution decreases. b) the rate of solution is unchanged by the concentration. c) increasing concentration leads to an increase of rate. d) agitate the rock salt and the warm water.
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Use examples from the article to explain one positive and one negative effect that chemistry has had on society.
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The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
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Answer asap need by wednesday morning calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 best answer will be brainliest
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Bob mixed 5 mg of sodium hydroxide pellets in 100 ml of water. describe how the rate of the solution...
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