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Determine the oxidation state for the following element in the compounds indicated;sulfur in H2SO4,nitrogen in NO2
0.50 mol of argon gas is admitted to an evacuated container at 20 degrees Celsius. The gas then undergoes an isobaric heating to a temperature of 280 degrees Celsius. What is the final volume of the gas?
what is the volume of 340. ml of a sample of gas at 55.0degc and 740. mm hg if the conditions are adjusted to stp?
Silver chloride, often used in silver plating, contains 75.27% Ag. Calculate the mass of silver chloride in grams required to make 1555.0 g of silver plating.
An empty Erlenmeyer flask weighs 261.9 g. When filled with water (d = 1.00 g/cm3), the flask and its contents weigh 465.2 g. What is the flask's volume in cm^3?
A 7.0 liter balloon at room temperature (22 degrees celsius) contains hydrogen gas. If the balloon is carried outside to where the temperature is -3.0 degrees Celsius.
what purpose does a 1-cm layer of anhydrous sodium sulfate in the apex of the funnel serve while transferring the dichloromethane extract into the round-bottom flask?
How would one synthesize 1,3-dibromo-2-methoxy-5-nitrobenzene starting with benzene
The first dissociation constant for carbonic acid (H2CO3) is K1 = 4.45e-7. Assume all activity coefficients are equal to 1.0. What is the concentration of carbonic acid in a) moles/liter, b) mg/l as H2CO3, and c) mg/l as CaCO3
How many grams of oxyen are consumed, how many grams of CO2 & H2O are produced?
3.00 g of NaOH are dissolved in 100.0 g of water in a coffee cup calorimeter. The temperature change is +7.50 degrees celcius. Calculate the enthalpy change involved in the process.
When chromium crystallizes, it forms body-centered cubic cells. The unit cell edge length is 288.7 pm. Calculate the density of chromium
If 8.00 mol of NH3 reacted with 14.0 mol of O2, how many moles of H20 will be produced?
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