Chemistry, 20.10.2019 15:50 mardell2587
Which of the following is an exothermic reaction?
a. dissolving ammonium nitrate in water to cool the water
b. condensation
c. melting ice
d. dissolving sugar in water
Answers: 3
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Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction
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Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant
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Chemistry, 22.06.2019 15:20
Which description best characterizes the motion of particles in a solid?
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Which of the following is an exothermic reaction?
a. dissolving ammonium nitrate in wat...
a. dissolving ammonium nitrate in wat...
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