Chemistry, 14.02.2020 19:08 epicchicken420
What mass of salt (NaCl) should you add to 1.62 L of water in an ice-cream maker to make a solution that freezes at -11.8 ∘C? Assume complete dissociation of the NaCl and a density of 1.00 g/mL for water and use Kf=1.86∘C/m.
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How much energy is made when a pice of wood burns. how do you know
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Which action would reduce the activation energy of a chemical reaction? a. adding a catalyst to the reaction b. adding more reactants to the reaction vessel c. lowering the potential energy of the products d. lowering the potential energy of the reactants e. raising the temperature of the reaction
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Chemistry, 24.06.2019 04:00
In the lab, a student fills a dry 50 ml graduated cylinder with 20 ml of water. the mass of the water in the graduated cylinder was 19.795 grams at 25°c. what is the true volume of the water measured in the graduated cylinder? the density of water at 25°c is 0.99707 g/ml.
Answers: 2
What mass of salt (NaCl) should you add to 1.62 L of water in an ice-cream maker to make a solution...
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