Chemistry

Chemistry, 06.07.2019 00:30, AbyssAndre

Drag the beaker of water onto the support. the internal energy of water will be analyzed, which makes water the being studied.

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Chemistry, 29.06.2019 22:30, alkaline27

Classify the reactions as endothermic or exothermic. a. the reaction between ammonium nitrate and water absorbs heat from the surrounding environment. b. three drops of concentrated sulfuric acid added to 100 milliliters of water in a beaker makes the beaker hot. c. ammonium chloride dissolved in a beaker of water makes the beaker cold. d. uranium atoms are split to produce nuclear energy. e. water separates into hydrogen and oxygen when an electric current is run through it. f. methane and oxygen are combined to produce methanol and heat.

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Chemistry, 05.07.2019 14:00, abbyhammondd

Which statements correctly describe water boiling in a pot? 1.air bubbles from the atmosphere are being absorbed.2.the water’s internal kinetic energy is increasing.3 the water is gaining internal potential energy. 4.the water’s temperature is increasing. individual water molecules are escaping.

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Chemistry, 14.07.2019 13:00, amandaparrish2323

Alka-seltzer is an antacid that is dissolved in water before use. for an experiment, three tablets of alka-seltzer are dissolved in three beakers, each containing 50 ml of water: beaker a's water is 10° c; beaker b's water is 50° c; and beaker c's water is 80° c. which answer correctly orders the reaction rates of the three beakers from fastest to slowest reaction? beaker a > beaker b > beaker c beaker c > beaker b > beaker a beaker b > beaker a > beaker c beaker a = beaker b = beaker c

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Chemistry, 23.10.2019 22:00, dariannalopez5902

Classify the reactions as endothermic or exothermic. the reaction between ammonium nitrate and water absorbs heat from the surrounding environment. three drops of concentrated sulfuric acid added to 100 milliliters of water in a beaker makes the beaker hot. ammonium chloride dissolved in a beaker of water makes the beaker cold. uranium atoms are split to produce nuclear energy. water separates into hydrogen and oxygen when an electric current is run through it. methane and oxygen are combined to produce methanol and heat. endothermic reaction exothermic reaction

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