Chemistry, 27.06.2019 19:00, iwannasleep
In the water cycle, the sun's heat provides energy to evaporate water from the earth's surface (oceans, lakes, the water vapor eventually condenses, forming tiny droplets in clouds. when the clouds meet cool air over land, precipitation (rain, sleet, or snow) is triggered, and water returns to the land (or sea). the water flows downhill as runoff (above ground or underground), eventually returning to the seas as slightly salty water. and then the cycle starts over. droughts, periods of time with below average rainfall, result from a lack of precipitation. imagine an area along the coast that normally receives rain clouds that develop over the ocean and move in toward land. if this coastal area is currently experiencing a drought, how would a decrease in evaporation from the ocean affect the drought?
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Chemistry, 22.06.2019 04:00, kichensides
Asample of aluminum foil contains 8.60 Ă— 1023 atoms. what is the mass of the foil?
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What type of reaction fuels the processes seen here?
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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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Chemistry, 22.06.2019 20:00, bbyitskeke7160
What happens to the temperature of a substance when the average kinetic energy of its particles increases?
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In the water cycle, the sun's heat provides energy to evaporate water from the earth's surface (ocea...
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