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 16:50
What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume
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Chemistry, 22.06.2019 18:30
What volume of a 0.0606 m solution of strontium bromide is needed to obtain 0.340 mol of the compound? question 42 options: a)5.61 l b) 3.4 l c) 600 ml d) 1 l e) 178 ml
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Chemistry, 23.06.2019 04:10
An unknown substance has been shown to have weak covalent bonds. which of the following is most likely a property of this substance? a. high ph b. high conductivity c. low melting point d. low flammability
Answers: 3
Acetylene (c2h2), an important fuel in welding, is produced in the laboratory when calcium carbide (...
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