Chemistry, 14.01.2021 03:40 xelynncaldera
Which of the following explains the shape of a water molecule?
A) It is tetrahedral because there are four bonded pairs around oxygen.
B) It is bent because there are two bonded pairs and two lone pairs around oxygen.
C) It is tetrahedral because there are two bonded pairs and two lone pairs around oxygen.
D) It is bent because there are four bonded pairs around oxygen.
Answers: 3
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Chemistry, 22.06.2019 11:00
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In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added
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Chemistry, 22.06.2019 23:30
Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.
Answers: 3
Which of the following explains the shape of a water molecule?
A) It is tetrahedral because there a...
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