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Problem- Use oxidation states to identify the element that is oxidized and the element that is reduced in the following redox reaction
Sn(s) + 4HNO3(aq) --> SnO2(s) + 4NO(g) + 2H2O(g)
Write the complete solution in short and simple way
hydrogen peroxide can decompose to water and oxygen by the reaction2 h2o2l 2 h2ol o2g ?h -196 kjcalculate the
If you have a vapor compression cycle using HCF-134a refrigerant instead, what is the minimum pressure would you have to achieve in the compressor in order to reject heat into the surroundings assuming that you need the refrigerant to be a minimum
The molecular formula mass of this compound is 240 amu. What are the subscripts in the actual molecular formula
A sample of protein weighs 0.800 g and is dissolved in 50.0 mL of water. If the osmotic pressure of the solution is 10.5mmHg at 25 degrees C, what is the molecular weight of the protein
A 150.0 ml sample of an aqueous solution at 25*C contacins 15.2 mg of an unknown nonelectrolyte compound. if the solution has an osmotic pressure of 8.44 torr, what is the molar mass of the unknown compund
50.0 g of N2O3 is decomposed according to the following reaction 2N2O3 --> 2 N2 + 3O2 . How many moles and how many liters of nitrogen are produced at 300 degrees Celsius and a pressure of 1350 torr?
Compute the expected change in temperature for 1.7 grams of ammonium nitrate NH 4 NO 3 dissolved in 50.0 mili litres of water H 2 O.
assuming no heat loss to the surrounding environment determine the minimum duration of time necessary for a 100 w
Determine the molar mass of hydroxyquinoline and the uncertainty associated with the molar mass. Report the absolute uncertainty in the molar mass in your final answer.
Calculate the kinetic energy of a K atom in the beam? b) Assuming that the molecules in the beam move one dimensionaly, what is the temperature of the beam?
For a reaction at equilibrium, which of the following is the best way to think about it?
A solution contains 8.88g of KBr in 500.0mL of solution and has an osmotic pressure of 6.97atm at 25 C. Calculate the van't Hoff factor (i) for KBr at this concentration.
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