Which substance has the most similar solubility at 40 Celsius?
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Chemistry, 22.06.2019 16:30
4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has:
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Chemistry, 23.06.2019 14:00
What mass of iron must be in a hot pack to provide -335kj of heat when the iron reacts with oxygen and is converted to iron (111) oxide according to the following thermochemical equation? 2fe(s) + 1.5o2(g)β> fe2o3(s) delta h= -824.2kj/mol
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Chemistry, 23.06.2019 14:20
What kind of chemical reaction does the chemical equation sodium + chlorine β sodium chloride represent? a. combustion b. decomposition c. single replacement d. synthesis
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