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1 mole of an ideal gas undergoes an isothermal change at temperature T so that its volume V is doubled.
R is the molar gas constant. work done by the gas during the change is?
An experiment shows that a 247 mL gas sample has a mass of 0.432 g at a pressure of 747 mmHg and a temperature of 28 degrees celcius.What is the molar mass of the gas?
The thermodynamic enolate from 1-phenyl-2-propanone has the Z configuration of its double bond. Explain what is the structure. Defend why this must be the structure.
What volumes of the stock solution will you have to pipet into the flasks to prepare standards of 1.00, 2.00, 5.00 and 10 x 10 -3 M KMnO4 solutions?
At 4.00 rm L, an expandable vessel contains 0.864 mol of oxygen gas. How many liters of oxygen gas must be added at constant temperature and pressure if you need a total of 1.96 mol of oxygen gas in the vessel.
A laser pulse with wavelength 540nm contains 4.40mJ of energy. How many photons are in the laser pulse?
express your answer in condensed form in order of increasing orbital energy as a string without blank space between
A constant electric current deposits 0.365 g of silver metal in 12,960 secs from a solution of silver nitrate. What is the current. What is the half reaction for the deposition of silver
An experiment shows that a 112-mL gas sample has a mass of 0.120 g at a pressure of 733 mmHg and a temperature of 33.0°C.
The density of the unknown solution is 1.232g/mL. Calculate the specific gravity of the solution.
How many mmoles of mercury are in the sample? B) How many mg's of mercury are in the sample? C)What is the percent mercury (w/w) in the ointment?
A student is standardizing her NaOH solution as described in this experiment. She obtains the following results: mass of KHP=0.5438 g initial buret reading=3.22 mL final buret reading=20.46 mL What is the concentration of her NaOH solution
A compound has an empirical formula of C2H2O and a molecular mass of 168.0. The molecular formula is C6H6O3.
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