Chemistry, 08.03.2020 20:47 maryjane8872
Ptrpared a solution of sodium chloride (NaCl) by measuring out 49.Umol of sodium chloride into 150. ML. Volumetric flask and filling the flask to the mark with water. Calucate the concentration in mol/L of the sodium chloride solution,
Answers: 2
Chemistry, 22.06.2019 09:00
Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?
Answers: 1
Chemistry, 22.06.2019 14:50
How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.
Answers: 1
Chemistry, 22.06.2019 22:30
What is the work done by the electric force to move a 1 c charge from a to b?
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Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Ptrpared a solution of sodium chloride (NaCl) by measuring out 49.Umol of sodium chloride into 150....
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