Chemistry, 06.03.2020 16:55 datgamer13
Building block for polyacrylonitrile fibers and a variety of plastics, is produced from gaseous propylene, ammonia, and oxygen. 2 C3H6(g) + 2 NH3(g) + 3 O2(g) → 2 C3H3N(g) + 6 H2O(g) (a) What mass of acrylonitrile can be produced from a mixture of 1.17 kg of propylene (C3H6), 1.61 kg of ammonia, and 1.64 kg of oxygen, assuming 100% yield? WebAssign will check your answer for the correct number of significant figures. 1480 Correct: Your answer is correct. g (b) What mass of water is produced? WebAssign will check your answer for the correct number of significant figures. 2330 Incorrect: Your answer is incorrect. g Which starting materials are left in excess? (Select all that apply.) propylene ammonia oxygen Correct: Your answer is correct. What mass of propylene is left in excess? WebAssign will check your answer for the correct number of significant figures. 0.00 Correct: Your answer is correct. g What mass of ammonia is left in excess? WebAssign will check your answer for the correct number of significant figures. g What mass of oxygen is left in excess? WebAssign will check your answer for the correct number of significant figures. g
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Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
Answers: 1
Chemistry, 23.06.2019 01:00
Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.
Answers: 2
Chemistry, 23.06.2019 02:00
What is the source of continuous heat and energy that we receive from the sun
Answers: 2
Building block for polyacrylonitrile fibers and a variety of plastics, is produced from gaseous prop...
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