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123123456 123123456
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6 years ago
Draw the two structural formulas for the molecular formula C2H7N.



[Ques. 2] A student weighing 700 N climbs a flight of stairs 5.0 m high in 10 s. What power was required?



[Ques. 3] Draw the two structural isomers for propanol.



[Ques. 4] A student weighing 700 N climbs a flight of stairs 5.0 m high. Calculate the work done.



[Ques. 5] Complete the equation: CH3CH = CH2+ H2 ____________________
 Fill in the blank(s) with correct word



[Ques. 6] A 0.10-kg ball is dropped from a height of 10 m and rebounds to a height of 8.0 m.
 a. Is energy conserved in the ball?
  b. If not, how much energy was lost, and what happened to it?



[Ques. 7] Complete the equation: CH3CCCH3 + 2 H2  ____________________
 Fill in the blank(s) with correct word



[Ques. 8] A stone is dropped from a bridge 15 m above a river. With what speed does the stone hit the water?



[Ques. 9] Draw the structural formula for 3-hexene.



[Ques. 10] A force of 7.2 N acting on a 1.0-kg object initially at rest moves it through a parallel distance of 2.5 m. Neglecting friction, what is the speed of the object when it is moved 2.5 m?
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Hansolo18Hansolo18
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6 years ago
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123123456 Author
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6 years ago
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6 years ago
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