An ice cube melts in the hot sun. Is this exothermic or endothermic and
why?...
Chemistry, 19.11.2020 19:40 orlando19882000
An ice cube melts in the hot sun. Is this exothermic or endothermic and
why?
Answers: 1
Chemistry, 22.06.2019 09:50
Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange
Answers: 1
Chemistry, 22.06.2019 17:00
Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.
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Which would freeze at a higher temperature: the great salt lake or lake tahoe? a. lake tahoe would freeze at a higher temperature. b. the great salt lake would freeze at a higher temperature. c. both lakes would freeze at the same temperature.
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Chemistry, 23.06.2019 05:30
Stoichiometry- i need with 14 and 15! an explanation would be appreciated!
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