Two children fight
over a toy. One pulls with a force of 8 N to the
right. The other pulls w...
Chemistry, 08.09.2021 02:30 hncriciacheichi
Two children fight
over a toy. One pulls with a force of 8 N to the
right. The other pulls with a force of 6 N to the
left. What is the strength and direction of the
net force on the toy?
Answers: 1
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Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?
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20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?
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There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. in the first step, calcium carbide and water react to form acetylene and calcium hydroxide: cac2 (s) + 2h2o (g) → c2h2 (g) + caoh2 (s) =δh−414.kj in the second step, acetylene, carbon dioxide and water react to form acrylic acid: 6c2h2 (g) + 3co2 (g) + 4h2o (g) → 5ch2chco2h (g) =δh132.kj calculate the net change in enthalpy for the formation of one mole of acrylic acid from calcium carbide, water and carbon dioxide from these reactions. round your answer to the nearest kj .
Answers: 3
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