Chemistry, 11.10.2019 02:00 samflores236

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Chemistry, 22.06.2019 16:00, hjgjlgkjg

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy

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Chemistry, 22.06.2019 17:00, emma3216

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added

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Chemistry, 22.06.2019 21:00, 1074885

Which of the following is a physical property flammability heat of combustion solubility and toxicity