Chemistry, 27.10.2021 23:20 kiaraangely100400
Consider the compound KF. Which of the following is true?Group of answer choicesThe compound is ionicThe compound is polar covalentThe compound is nonpolar covalentThe EN difference in the K-F bond is 3.2The EN difference in the KF bond is 1.2
Answers: 2
Chemistry, 22.06.2019 14:20, kekecantonxox121
You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring
Answers: 1
Chemistry, 22.06.2019 16:00, hjgjlgkjg
Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
Answers: 1
Chemistry, 22.06.2019 20:00, 20calzoy
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
Consider the compound KF. Which of the following is true?Group of answer choicesThe compound is ioni...
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