Chemistry, 17.11.2020 02:10 momodagrate
The standard enthalpy of combustion of octane (C8H18) at 25oC and 1 atm according to the following reaction is 5471 kJ/mol C8H18(l) + 12.5 O2(g) 8CO2(g) + 9H2O(l) ∆H = −5471 kJ Calculate ∆H for a 20-gallon tank full of octane.
Answers: 3
Chemistry, 21.06.2019 22:00
Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.
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Chemistry, 22.06.2019 07:30
Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?
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Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.
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Chemistry, 22.06.2019 21:00
Rays from the sun are not considered matter true or false
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The standard enthalpy of combustion of octane (C8H18) at 25oC and 1 atm according to the following r...
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