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How many moles of potassium carbonate will be produced if 476 g of potassium hydrogen carbonate are heated
Calculate the pH of a 0.42 M solution of sodium acetate, CH3COONa. (Ka(acetic acid) = 1.8 x 10-5 )
a certain amount of NH4OCONH2 is placed in an evacuated rigid container and allowed to come to equilibrium. Calculate the total pressure in the container at equilibrium.
Imagine that you have a 7.00 litre gas tank and a 3.00 litre gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
Assume no heat is lost to the surroundings. The normal boiling point of methane is -161.5 C. The specific heats of liquid and gaseous methane are 3.48 and 2.22 J/g.K, respectively. A)liquid B)gaseous C)solid
Chemical reaction calculations, 1. Unbalanced equation SOCL2(1) + H2O(1) --- SO2(g) + HCl(g). How many molecules of H2O can 35.0 grams of thionyl chloride remove?
Consider the following reaction: NH4HS(s) NH3(g) + H2S(g) An equilibrium mixture of this reaction at a certain temperature was found to have [NH3]=.278M and [H2S]=.355M.
In a beaker, I mix 50 ml of 3 M HCl with 100 ml distilled water. Both fluids are at 25 C initially. (Cp mix =. 0.985 cal/g-C) a. what is the final T.
An electron traveling at the velocity of 3.7 105 m/sec has an uncertainty in its velocity of 2.34 105 m/s. determine the uncertainty in its position?
BNCT relies on the initial targeting of tumor cells by an appropriate chemical compound tagged with 10 5 B , which preferentially concentrates in tumor cells.
A solution of NaOH(aq) contains 11.6 grams of NaOH in 129 mL of solution. Calculate the pH at 25C.
Phosphorus-32 has a half-life of 14.0days . Starting with 4.00 g of 32p , how many grams will remain after 42.0 days?
Calculate the number of moles of gas in a 3.24 L basketball inflated to a total pressure of 24.3 psi (pounds per square inch) at room temperature (25 degrees Celsius).
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