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Explain how much heat, in kJ is evolved in converting 1.70 mol of steam at 145 degrees Celsius to water at 95 degrees Celsius. Explain the heat capacity of steam is 2.01 J /g * C the heat capacity of water is 4.18 J / g * C, the heat capacity of ice is 2.09 J / g * C as well as the heat of vaporization of water at 100 degrees Celsius is 40.7 kJ / mol. Utilize three sig figs for your answer as well as just type in the number that is, neglect sign.
Compute the change in internal energy delta e for a system that is absorbing 35.8 kJ of heat as well as is expanding from 8.00 to 24.0 L in volume at 1.00 atm. Remember that 101.3 J= 1 l*atm.
The space shuttle orbiter utilizes the oxidation of methyl hydrazine by dinitrogen tetroxide for propulsion.4 N2H3CH3(l) + 5 N2O4(l) 12 H2O(g) + 9 N2(g) + 4 CO2(g)
The formation of SO3 from SO2 andO2 is an intermediate step in the manufacture of sulfuric acid, and it is also responsible for the acid raid phenomenon. The equilibrium constant (Kp) for the reaction is0.13 at 830οC.
What is the pH change when adding 0.15 moles of HCl to a 1 L buffer containing 1.0 M acetic acid and 1 M sodium acetate
A mixture of Na_2CO_3 and NaHCO_3 has a mass of 81.5 . It is dissolved in 1.00 of water and the pH is found to be 9.92. Find the mass of NaHCO_3 in the mixture?
Calculate the pH of a buffer solution made by mixing 46.8 g of sodium acetate into 1 L of a 0.1 M solution of acetic acid. Give the pH to two decimal places.
The heat of fusion for thallium is 21 j/g, and its heat of vaporization is 795 j/g. Thallium's melting point is 304 C, and its boiling point is 1457 C. The specific heat of liquid thallium is 0.13 j/g C. How much heat is needed to change 236 g of ..
One way to mesure thermal conductivity is to mesure by putting the object in a closed box with known qualities. The heater maintains the same change in heat through the boxes wall.
The acid dissociation constant, Ka, for phenol, C6H5OH, is 1068X10^-10. Calculate the pH of a 0.75 M C6H5OH solution.
we will provide a standard solution of 0.100 m nacl and a solution of 20-fold diluted tonic water the unknown for your
A helium balloon is filled with a volume of 1.5L and has a pressure of 2.5 atm at 50oC. If it is then heated to 150oC, what will the resulting pressure be if the resulting volume is 1.6 L.
How many moles of gas are in a container that is 2.00 L, at 30.0 atm and a temperature of 25.0 C?
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