Chemistry, 24.09.2019 03:00, Goldenstate32
Acetylene (c2h2), an important fuel in welding, is produced in the laboratory when calcium carbide (cac2) reacts with water: cac2 (s) + 2 h2o (l) latex: \longrightarrow⟶ c2h2 (g) + ca(oh)2 (aq) for a sample of acetylene collected over water, total gas pressure (adjusted to barometric pressure) is 909 mmhg and the volume is 1,024 ml. at the temperature of the gas (22°c), the vapor pressure of water is 20.7 mmhg. how many grams of acetylene are collected? enter to 3 decimal places.
Answers: 1
Chemistry, 22.06.2019 09:00, SilverTheAmarok
This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
Answers: 2
Chemistry, 22.06.2019 10:00, winstonbendariovvygn
Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this
Answers: 3
Chemistry, 22.06.2019 14:00, njones58emailtjcedu
What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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Acetylene (c2h2), an important fuel in welding, is produced in the laboratory when calcium carbide (...
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