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Chemistry, 21.06.2019 17:40
Does the energy in a solid increase or decrease when changing to a liquid?
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Chemistry, 22.06.2019 12:30
Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.
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Chemistry, 22.06.2019 12:40
When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign
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Chemistry, 23.06.2019 05:50
Which of the following is not a characteristic of s waves?
Answers: 1
A 55.0 kg runner who weights 539.0 N is accelerating at 3.2 m/s. After 2 seconds, she reaches a spee...
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