Chemistry, 19.10.2021 14:00 sodiumvlogsYT
A bomb calorimeter is supplied with 25.0 kJ of energy, and a 1.75 oC increase in temperature results. A 0.035 mole sample of an unknown fuel is combusted in the same bomb calorimeter, and qfuel is found to be -6290 kJ/mol. What temperature change occurred when the fuel was combusted in the bomb calorimeter
Answers: 3
Chemistry, 22.06.2019 04:00
Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
Answers: 3
Chemistry, 22.06.2019 05:30
Which other elements contain the same number of outer electrons as sodium
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Chemistry, 22.06.2019 09:00
An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh
Answers: 1
A bomb calorimeter is supplied with 25.0 kJ of energy, and a 1.75 oC increase in temperature results...
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