Chemistry, 18.11.2019 20:31 webbjalia04
Acalorimeter contains 124 g of water at 26.6°c. a block of metal with a mass of 26 g is heated to 95.8°c and then placed in the water in the calorimeter. after sufficient time, the temperature of the water is measured and found to be 29.0°c. calculate the heat capacity per gram of metal. assume no heat is lost to the calorimeter or the surroundings.
Answers: 1
Chemistry, 21.06.2019 17:10
There are 6.022 x 10^23 atoms of hg in 1 mole of hg. the number of atoms in 4.5 moles of hg can be found by multiplying 4.5 by 6.022 x 10^23 a. 2.7 x 10^24 b. 27 x 10^23 c. 2.71 x10^24 d. 27.099 x 10^23
Answers: 3
Chemistry, 22.06.2019 00:00
Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what
Answers: 3
Chemistry, 22.06.2019 00:40
During which time interval does the object travel approximately 10 meters
Answers: 3
Acalorimeter contains 124 g of water at 26.6°c. a block of metal with a mass of 26 g is heated to 95...
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