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determine the specific heat capacity of a metal that has a mas of 14 grams. As the metal cools from 400 degrees celcius to 200 degrees celcius, 364 joules of heat is released.
Write a balanced equation for the combustion of heptane, C7H16, in oxygen, , forming the products carbon dioxide, and water, H2O. How many grams of water will be produced by the complete reaction of 7.88 grams of heptane?
Assuming that the heat capacity of the ammonuim chloride solution is 4.18J/gc, calculate the heat (enthalpy) of the solution NH4Cl, (a) in J/g and (b) in kj/mol.
A 70.0 g steam sample at 150.0 degree Celsius was converted to ice at -150.0 degree Celsius, calculate the total amount of heat removed in the process.
Suppose that 25g of each of the following substances is initially at 27.0 degrees C. What is the final temperature of each substance upon absorbing 2.30kJ of heat
What mass of water (in grams) forms from the reaction of 2.66 L of hydrogen gas and 2.06 L of oxygen gas. Both gases are at 759 torr and 7.9 oC.
The Haber-Bosch process is a very important industrial process. In the Haber-Bosch process, hydrogen gas reacts with nitrogen gas to produce ammonia according to the equation 3H2+N2=2NH3
how many grams of aspiring were lost in the washing process you used to purify the product assuming you used 50 ml of
What is the mass (in g) of a cube of aluminum (density = 2.702 g/mL) with an edge length of 0.27 feet
Given the general formula of a hydrate, Z. nH2O, which variable represents the anhydrous salt? the number of water molecules in each hydrate crystal?
A colorless liquid A (C3H6O) was soluble in water and ether, and had a boiling point of 94-96 degrees C. it decolorized a Br2-CH2Cl2 solution and gave a positive ceric nitrate test, Treatment of Compound A with ozone, followed by hydrolysis in the ..
1.35 mol of N2 at 19 deg C, 6.35 bar undergoes a transformation to the state described by 210 deg C and 1.90 bar. Calculate deltaS if Cp,m*K*mol/J = 30.81 - 11.87*10^-3T/K + 2.3968*10^-5T^2/K^2 - 1.0176*10^-8T^3/K^3
methyl alcohol ch3oh is made by reacting carbon monoxide with h2. starting with 2.5 g of h2 and 30 l of co what mass of
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