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How much work is needed to lift a water molecule by 15 km? Pretend that the gravity force is the same throughout. Give answer in Joules, 2 significant digits. Show work
inexperienced student reacted 3,3-dimethyl-1-butene with H2SO4/H2O. What major product was he surprised to isolate?
The VOA (Voice of America) broadcasts at 18.3 MHz for the Greenville Relay Station. What is the frequency and wavelength of the electromagnetic radiation and what is the energy of the photons and the speed of the electromagnetic wave
A 322 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 635 mmHg. Calculate the moles of Ar present.
The single atom of an isotope does not have a: a)relative atomic mass b) atomic number c)mass number d)average atomic mass
A substance, A2B, has the composition by mass of 60% A and 40% B. What is the composition of AB2 by mass?
while out testing stream water quality in a local fresh water creek you measure the dissolved oxygen concentration to
Given the following equations solve for concentration of urea in blood out (CBout) and concentration of urea in dialysate out (CDout)
Will the parietal pressure of SO3 increase, decrease, or remain the same? Be sure to support your answer with CLEAR calculation.
A student accidentally mixed small pure white crystals of napthalene into a small vial containing small white crystals of disodium malonate. What can she do to purify the disodium malonate away from the naphtalene quickly
Suppose that 1.252 g of impure barium hydroxide is dissolved in enough water to pro- duce 213.4 mL of solution and that 64.3 mL of this solution is titrated to the stoichiometric point with 29.5 mL of 0.0318 M HCl(aq). What is the percentage purit..
When dealing with radical halogenation, why does the most stable intermediate compound have the fastest reaction rate. I would assume that this is because the more stable intermediates are formed more readily and more permanently,
How many grams of a stock solution that is 85.5 percent H2SO4 by mass would be needed to make 150 grams of a 45.0 percent by mass solution?
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