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The volume of an ideal gas is increased from 0.8m3 to 2.4 m3 while maintaining a constant pressure of 1000 Pa (1Pa=1N/m2). How much work is done by the gas in this expansion?
If the O2 was the excess reagent, 8.3 mol of H2S were consumed, and 137.1g of water were collected after the reaction has gone to complain, what is the percent yield of the reaction?
An evaluation of R was performed, following the procedure described in this module. The barometric pressure was 736 torr, the temperature was 295k and volume of hydrogen gas collected was 35.6 mL. The calculated value of R was 82.1 mL atm K^-1 mol..
Carbon monoxide and chlorine combine in an equilibrium reation to produce the highly toxic product phosgene. CO + Cl2 COCl2. If the equilibrium constant for the reaction Kc = 248
Draw the Lewis structure of formic acid, HCO2H. (Hint: C is the central atom. One of the H is bonded to an O.) How do we know which of the possible structures for HCO2H is more likely to be correct?
The rate law for a hypothetical reaction is rate=k[A]2 When the concentration is 0.10 moles/liter, the rate is 2.7 * 10-5 moles/liter second. What is the value of k?
inexperienced student reacted 3,3-dimethyl-1-butene with H2SO4/H2O. What major product was he surprised to isolate?
What would happen if you accidentally used 6M HCl aqueous solution instead of saturated Na2CO3 aqueous solution when extracting caffeine from tea bags.
What volume (in mL) will it occupy at the same pressure and 277 K? Round your answer to zero places past the decimal.
To convert this into a buffer having a pH of 9.3380, how many grams of KH2BO3 (M.W. 99.926) should be added to the solution?
What is the molar enthalpy of the reaction. Based on the enthalpies of formation and of the other components in the reaction, what is the enthalpy of formation of sodium hypochlorite
A 1.40 mL sample containing chromium-51 as a tracer was injected into a patient. Z After several hours a 5.50 mL of blood was drawn and its ctivity compared to the injected tracer sample.
The reaction takes place in a bomb calorimeter where 4.50g of glucose are burned. What is the heat capacity of the bomb if the temp. of the water in the bomb increases from 22.75 degrees Celsius to 25.32 degrees Celsius?
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