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A 1.341 g sample of NaCl is combusted in a bomb calorimeter. The temperature rises 4.372 degree Celsius and 1.53 x10^3 g of water was used. The heat capacity of the bomb is 8.151 J/K and the heat capacity of water is 4.184 J/g*k. Calculate the heat of reaction per mole of NaCl.
How many moles of O2 will be produced if 4.83 moles of CO2 react completely?
Consider the following liquids with similar molar masses. Predict which has the strongest intermolecular attraction based only on vapor pressure data.
The mass of the water in the inner bath is 1.40×103g . The temperature of the calorimeter and its contents rises 2.83K as a result of this reaction. Calculate the calorimeter constant.
A mixture of three gases, A, B, and C, is at a total pressure of 9.38 atm. The partial pressure of gas A is 1.88 atm and that of gas B is 2.32 atm. What is the partial pressure of gas C?
Using the van der Waal constants for methane in table 1.3 (a=2.283, b=0.04278) to calculate the initial slopes of the plots of the compressibility factor
a 45- piece of ice at 0 is added to a sample of water at 12. all of the ice melts and the temperature of the water
a gaseous mixture of and contains 37.8 nitrogen by mass. what is the partial pressure of oxygen in the mixture if the
The following pairs of soluble solutions can be mixed. In some cases, this leads to the formation of an insoluble precipitate. Decide, in each case, whether or not an insoluble precipitate is formed.
When the flask is allowed to cool the vapor condenses and aire again refulls the flask. Re weighing the flask and figure out the the wight of the unknown vapor which filled the flask during the boiling. Explain why it is not necessary to know the w..
To qualify to run in the 2005 boston marathon, a distance of 26.2 mile, an 18 years old women had to have completed another marathon in 3 hours and 40 minutes or less. To qualify, what must a woman's average speed have been
Draw the structure of methyl red, and explain why it absorbs in the visible region of the spectrum. using resonance, explain why the acid form has a wavelength of max absorption at longer wavelength
question typically an adult will inhale 2.1 l of air per breath. what mass of ozone is taken into the lungs per breath
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