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Name a method or physical process that can be carried out that would achieve the removel of ammonium chloride from your sample without affecting the other fous components. Describe what is happening in this process.
What volume of O2 (g) is consumed in the combustion of 75.6L C3H8 (g) if both gases are measured at STP?
calculate the amount of energy in kilojoules needed to change 135 of water ice at 10 to steam at 125 . .... how many
What volume, in liters, of O2 at 35°C and 1.19 atm can be produced from the decomposition of 10.0 g KNO3? 2 KNO3(s) → 2 KNO2(s) + O2(g)
In an experiment, 0.500 L of 0.020 mol L ^-1 NaOH(aq) is rapidly mixed with an equal volume of 0.020 mol L^-1 HCN(aq). Calculate the time, in seconds, required for this [OH] to decrease to 1.0×10^4 mol L^-1. (Hint: Start from the rate law in the f..
Use the values from the table of reduction potentials on the last page to determine ?Gº and Keq for the reaction as listed below. Pb (s) + Sn2+ (aq) ? Pb2+ (aq) + Sn (s) ?Gº
What each test reveals about an unknown halide ion? Suggest another test which would confirm that identity. Addition of Cl2 and CH2Cl2 to an aqueous solution of an unknown halide ion led to a dark CH2Cl2 layer.
A 20.0-mL sample of 0.25 M HNO3 is titrated with 0.15 M Na OH. What is the pH of the solution after 30.0 mL of NaOH have been added to the acid
Calculate the molar heat of combustion of fructose using the data from this experiment. Since this experiment is carried out under conditions of constant volume, we are measuring ?E. Your answer should be in kJ/mol and entered to 3 sig. fig.
Arrange the following gaseous substances in order of decreasing root mean square velocity at 25°C. argon, fluorine, carbon dioxide, oxygen, helium A.
Calculate the cell potential for the following reaction that takes place in an electrochemical cell at 25°C.
If equal masses of H2 and O2 (100.0 grams each) are reacted together to produce water, how many grams of water could be produced.
A soln was made by dissolving 5 g of sodium iodide in enough water to make 500mL of soln. What is the expected percent transmittance for this soln?
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