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In the decomposition of gallium chlorate, 75.0grams is heated to produce oxygen and gallium chloride. calculate the following:
1) write a balanced equation for the reaction and find the mole ratios of the reactants and products.
2) find the volume of oxygen in liters formed at 25 *C if the gas is collected over mercury under an atmospheric pressure of 670 torr.
Calculate the number of moles and the number of grams of the indicated solutes present in each of the following solution samples.
A solution has [Cl-] = 0.041 mol/L and [I-] = 0.073 mol/L. Finely divided, solid Pb(NO3)2 is slowly added to the solution with stirring. SALT=PbCl2 Ksp=1.6x10-5 SALT=Pbl2 Ksp=7.1x10-9 What are [Pb2+ ], [Cl- ] and [I- ] at the instant the second pr..
non-electrolyte, X was dissolved in 100 g of Benzene, the vapor pressure of the solvent decreased from 100 torr to 93.8 torr at 299 K. Calculate the molar mass of the solute, X.
what mass ratio of sugar to water is required to raise the boiling point of a sugar solution 145 degrees celcius?
The inside fluid temperature is 223 degrees celsius while the outside fluid temperature is 57 degrees celsius. Calculate the heat lost by the tube per meter of length.
how will you use the known compounds that are out in the lab to help you find the identity of your unknown compounds
What is the anode reaction during electrolysis of neutral aqueous copper(II) sulfate using inert electrodes
Use a table of standard thermodynamic values to predict the standard cell potential at 81 C: Cu(s)|CuSO4||AgNO3|Ag(s) Assume that the values of delta H and delta S are independent of temperature.
what is the correct electron configuration for Cr (chromium). Chose the proper Lewis dot structure for the compound or poliatomic ion: Sulfur Dioxide (SO2).
A sample of propane,C3H8, contains 10.8 moles of carbon atoms. How many total moles of atoms does the sample contain?
AgCl precipitates first. What is the concentration of the Ag+ remaining in solution when CuCl begins to precipitate? For AgCl, pKsp = 9.74. and for CuCl, pKsp = 6.76.
Clearly explain, using calculations as necessary, how you would obtain the 5 mL of 1.5M sodium hydroxide that you need
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