Chemistry, 02.07.2019 04:00, hannamcbrayer1
A155-g sample of a unknown substance was heated from 25.0°c to 40.0°c. in the process, the substance absorbed 5696 j of energy. what is the specific heat of the substance?
Answers: 1
Chemistry, 22.06.2019 04:00, queenkimm26
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 20:20, catchonyet
Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)
Answers: 1
Chemistry, 22.06.2019 21:00, rhondafits9000
Which property of water causes water drops to bead on a freshly waxed car?
Answers: 2
A155-g sample of a unknown substance was heated from 25.0°c to 40.0°c. in the process, the substance...
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