Chemistry, 22.06.2021 22:40 mountassarhajar2008
According to the law of conservation of energy, which changes would
increase the total energy of a system?
O A. An addition of 400 J of thermal energy and a loss of 550 J of
kinetic energy
B. An addition of 200 J of thermal energy and a loss of 550 J of
thermal energy
C. An addition of 300 J of GPE and a loss of 450 J of thermal energy
D. An addition of 500 J of kinetic energy and a loss of 450 J of
thermal energy
Answers: 2
Chemistry, 21.06.2019 17:00
An aqueous solution of hydroiodic acid is standardized by titration with a 0.186 m solution of calcium hydroxide. if 26.5 ml of base are required to neutralize 20.3 ml of the acid, what is the molarity of the hydroiodic acid solution? m hydroiodic acid
Answers: 1
Chemistry, 21.06.2019 22:30
Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial
Answers: 1
Chemistry, 22.06.2019 04:30
How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?
Answers: 1
According to the law of conservation of energy, which changes would
increase the total energy of a...
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