Chemistry, 18.05.2021 23:10 Theresab2021
Calculate the number of joules released when 10.0 g of steam cools from 120.0 oC to -15.0 oC
Answers: 2
Chemistry, 23.06.2019 07:10
1) a light bulb takes in 30 of energy per second. it transfers 3j as use energy. calculate the efficiency. second. it transfers 3j as useful light energy and 27j as heat energy. calculate the efficiency
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Chemistry, 23.06.2019 09:30
What is the force of an object when it landed(sitting in the ground)
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The temperature of a lead fishing weight rises from 26 °c to 38 °c as it absorbs 11.3 j of heat. what is the mass of the fishing weight in grams?
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Chemistry, 23.06.2019 11:30
If 4.8 moles of x and 3.4 moles of y react according to the reaction below, how many moles of the excess reactant will be left over at the end of the reaction? 3x + 2y “yields”/ x3y2. a. 1.7 mol y left over b. 1.6 mol x left over c. 0.2 mol y left over d. 0.1 mol x left over
Answers: 1
Calculate the number of joules released when 10.0 g of steam cools from 120.0 oC to -15.0 oC...
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