The heat of fusion for water is 80 cal/g. How many calories of heat are released when 20.0 g of water at  is frozen to ice? A) 620 cal B) 1600 cal C) 2000 cal D) 2200 cal E) 0 cal  

[ans1] Refer to Equilibrium. Add H2 to the mixture.   a.  shifts left b. shifts right   c.  no effect d.  can shift to right or left [ans2] Refer to Equilibrium. Remove CH3OH from the mixture.   a.  shifts left b.  shifts right   c.  no effect d.    can shift to right or left   [ans3] Refer to Equilibrium. Heat the mixture.   a.  shifts left b.  shifts right   c.  no effect d.  can shift to right or left [ans4] Refer to Equilibrium. Add a catalyst to the mixture.   a.  shifts left b.  shifts right   c.  no effect d.  can shift to right or left

A balloon has a volume of 5.00 liters of 22°C and 1.00 atmosphere of pressure. What will be the balloon’s volume in liters if the pressure is increased to 3.00 atmospheres at 22°C?   a.  1.67 b.  0.600 c.  1.30 d.  0.800

Calculate the volume in liters of 3.50 moles of gas at STP.   a.  6.4 b.  44.8 c.  3.5 d.  78.4

Which of the following is a weak acid? A) HCl (aq) B) HNO3(aq) C) HC2H3O2 (aq) D) HClO4 (aq)

Do the following statements describe the compound Mg3(PO4)2? Answer yes or no  [ans1] The compound would be expected to be a solid at room temperature and pressure.  [ans2] The compound is ionic. [ans3] If the compound dissolved in water it would be a non-electrolyte.

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Rocky, a resident of Colorado who has never stepped foot in Arizona, is standing on the farthest southwest corner of Colorado. Diamond, a resident of Arizona who has never stepped foot in Colorado, is standing on the farther northeast point in Arizona. Hence, Rocky and Diamond are a mere foot away from each other.  Rocky tells Diamond, “The Colorado Rockies are going to finish first in the NL West this year, ahead of the Arizona Diamondbacks.” Diamond, a huge Diamondbacks fan with a short fuse, reaches out and punches Rocky in the face while remaining in Arizona.  Rocky wants to sue Diamond in a Colorado court. Can a Colorado court exercise personal jurisdiction over Diamond?

While Craig is driving his car, he hits a pedestrian using the crosswalk, Shep. The entire accident was caught on Closed Circuit television.  Shep breaks both his legs and spends two months in the hospital recuperating. One year after his release from the hospital, Shep sues Craig. In the time between the accident and Shep filing the suit, Craig’s car was destroyed when a tree fell on it.  If Shep’s attorney asks the judge to grant him a verdict on spoliation grounds, how will the court likely rule?

As a defendant trying to end litigation quickly and economically, which of the following is the best outcome?