Chemistry, 07.10.2020 23:01 estherboocx
Stock solutions are highly concentrated solutions regularly made in laboratories to reduce preparation time and must be diluted down accordingly before use. While preparing a liquid media, the recipe you are following calls for a 1M media solution. Luckily, you made a 10M stock of this media solution beforehand. If the recipe requires 100mL of the stock solution, how many liters of water must you mix with the media solution to dilute it to the needed concentration
Answers: 3
Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
Chemistry, 23.06.2019 01:00
Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c
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Chemistry, 23.06.2019 03:00
Asample of sea water contains 6.28g of sodium chloride per litre of solution. how many milligrams of sodium chloride would be contained in 15.0ml of this solution?
Answers: 3
Chemistry, 23.06.2019 04:40
Temperature is defined as a. the equivalent of heat. b. a measure of the average kinetic energy of the individual atoms or molecules composing a substance. c. how hot or cold it is. d. the total kinetic energy of the atoms or molecules composing a substance. e. none of the above is correct.
Answers: 1
Stock solutions are highly concentrated solutions regularly made in laboratories to reduce preparati...
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