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A ballon is filled with H2 gas and has a pressure of 1.10 atm, volume of 10.2L, and a temp of 298 K. How many grams of H2 gas are in the sample?
the reaction will be faster B. the reaction will be slower C. the reaction will take the same amount of time D. the speed of the reaction will never change unless a catalyst is added
Pressure of 0.923 atm is allowed to expand at constant temperature until its pressure reaches 0.377 atm. What is its final volume?
Calculate the maximum theoretical percent recovery from the recrystallization of 1.00 g of benzoic acid from 15 mL of water, assuming the solution is filtered at 25 degrees C.
two compounds a and b form an ideal solution at all compositions. if the vapor pressure of pure a at 80 degrees c is
The percentage of the major component of clove oil actually increases as the cloves are steam distilled. Explain why and give an equation for the reaction involved.
Al^3+ is reduced to Al(s) at an electrode. If a current of 2.75 amperes is passed for 36 hours, what mass of Al is deposited at the electrode. Assume 100% current efficiency.
A compound is 40% C 6.70% H and 53.3% O by mass. the molecular formula of this compound is 60 amu, what are the subscripts of C, H, O
What is the (balanced) net reaction for the complete oxidation of glucose via glycolysis followed by the citric acid cycle? Remember to include whether there are any (and if so how many) ATP/GTP produced from ADP/GDP
The H2O molecules above and below the equatorial plane are more loosely bound. For convenience this ion is often written as Cu^2+(aq) Addition of NaOH to the Cu^2+ (aq) solution causes a precipitate of Cu(OH)2. write a balanced equation regarding ..
A 0.150 M NaCl solution is referred to as a physiological saline solution because it has the same concentration of salts as normal human blood. Calculate the mass of NaCl needed to prepare 275.0 mL of a physiological saline solution.
What is the mass of a single weight (assume one step work) you need to put on a bike pump to take the air in the pump from 1 atmosphere to 9 atmospheres?
A solution of H2SO4(aq) with a molal concentration of 4.80 m has a density of 1.249 g/mL. What is the molar concentration of this solution
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