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Calculate the work (in kJ) when 3.00 moles of methane react with excess oxygen at 332 K: CH4(g) + 2O2(g) ? CO2(g) + 2H2O(l)
When compared with the boiling points of other compounds of comparable molecular weight, which of the following is true of the boiling points of carboxylic acids
A voltaic cell consists of a Hg/Hg2^2+ electrode(E degrees=0.85V) and a Sn/Sn^2+ electrode(E degrees=-0.14V). Calculate[Sn^2+]if [Hg2^2+]=0.36 M and Ecell=1.04V at 25 degrees C.
You have 250.0 mL of a 0.56M solution of sodium acetate. How many mL of 0.50M acetic acid should be added to make a buffer of pH 4.40.
what is the density of a piece of metal if it's mass is 201 g and its volume is 18.9 cm3
If 4.50 g of methane gas (CH4) is in a 2.00-L container at 35°C, what is the pressure in the container?
Calculate the pressure of the gas mixture and the partial pressure of each constituent gas if the mixture is in a 11.0 L vessel at 27 degree celsius
Calculate the concentration of cadmium chloride contaminant in the original groundwater sample. Be sure your answer has the correct number of significant digits.
What is the molar volume of the oxygen gas at the conditions in the laboratory?
A 29.0-g sample of ice at -11.0°C is mixed with 113.0 g of water at 71.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
The first step in the Ostwald process used to produce nitric acid is the formation of nitric oxide from ammonia and oxygen.
NaCl is added to 33.4ml of 0,327M AgNO3(silver nitrate). What would be the concentration of each of the ions(ie Ag+, NO3- Na+ and Cl-) in the reaction mixture after the reaction.
Explain why a mercury-in-glass thermometer with a uniform-bore capillary that is correct at 0 celsius and 100 celsius read 49.9 celsius when the temperature is actually 50 celsius.
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