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What is the value of the equilibrium constant for the cell reaction below at 25°C? E°cell = 0.30 V
Sn^2+(aq) + Fe(s) --> Sn(s) + Fe^2+(aq)
the volume of a gas is 93 mL when the temperature is 91C. If the temperature is reduced to 5C without changing the pressure, what is the new volume of the gas?
Determine the theoretical and percent yields of ethanol if 684g sucrose undergoes fermentation and 349g ethanol is obtained?
Limestone (CaCO3) is used to remove acidic pollutants from smokestack flue gases. It is heated to form lime (CaO), which reacts with sulfur dioxide to form calcium sulfite
A metal crystallizes in a face-centered cubic lattice. The radius of the atom is 128 pm and the density of the element is 8.92 g/cm3. What is the identity of the metal?
The solubility of CaSO4 in pure water at 0.0 C is 1.13 gram per liter; what is the value of solubility product
A 2.89-L flask is filled with propane gas (C3H8), at 1.00 atm and -23.0°C. What is the mass of the propane in the flask?
a solution is prepared by adding enough water to 387 g of CsCl to form 1 liter of solution. What is the mass of the solution? the density of the solution is 1.384 g/mL.
Calculate the de Broglie wavelength for each of the following.a 57 g ball with a velocity of 35. m/s b an electron with a velocity 12% the speed of light.
Calculate the mass in metric tons of a cube of Au that is 36.1cm on each side? It is given that density of gold- 19.3 g.cm 3 , (1 metric ton-100kg)
How many kJ of heat are required to produce 13.7g NO2, by 2NO2+ O2 --> 2NO2. the heat of reaction is 113.04
Calculating concentration of an ion, Given the concentration of hydroxide ions, use the ion product constant of water to calculate the concentration of the other ion at 298 K
While in Europe, if you drive 107 km per day, how much money would you spend on gas in one week if gas costs 1.10 per liter and your car's gas mileage is 26.0.
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