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Calculate the percent yield for an experiment in which 5.50 g of SOCl2 was obtained in a reaction of 5.80 g of SO2 with excess PCl5. Use the following equation:
SO2 (l) + PCl5 (l) → SOCl2 (l) + POCl3 (l).
Assume that the kinetic energy of a 1500 kg car moving at 150 km/h could be converted entirely into heat. What amount of water could be heated from 22C to 48C by the car's energy?
Some bacteria are able to harvest infrared light of ? ~ 1000 nm. What is the maximum number of 1000 nm photons needed to form one ATP from ADP and Pi
A polar bear may burn as much as 1.5 kg of fat resources a day. A polar bear must consume enough seals to compensate for this huge energy expenditure. If you needed to survive on seal blubber as your diet, how many grams would you need to consume ..
Draw structural and line-bond formulas for all the structural isomers with the formula C4H9Cl. Determine the polarity of each, showing partial changes and the overall direction of the net dipole where applicable.
In an experiment, 2.50 g salicycylic acid was reacted with excess acetic anhydride to synthesize aspirin, as shown below.
a. what are the moles fractions of each components in a mixture of 5.0 g of o2 7.50 g of n2 1.0 g h2b. what are the
What would the potential of a standard hydrogen (S.H.E.) electrode be if it was under the following conditions?
Nitrogen reacts with hydrogen according to the following equation.
Crystallization of sodium acetate from a supersaturated solution occurs spontaneously at constant temperature and pressure. What can you deduce about the signs of ?S and ?H for this process?
The NaOH catalyst solution is prepared by dissolving 0.4 g of NaOH in 4.0 mL of water then adding 3.0 mL of 95% ethanol. how many moles of NaOH, mL of water and ml of ethanol in 3 mL?
Two types of electrochemical cells which are based on thermodynamic principles can be described. Which of the following statements about these cells is correct
The concentration of Mg2+ in seawater is 0.052 M. What hydroxide concentration is needed to remove 90% of the Mg2+ by precipitation
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