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A) What is the change in energy when 23J of heat are added to a system and 11J of work are performed on the surroundings?
B) What is the change in energy for a constant pressure process where H = 23 J and 11 J of work are performed on the system? Hint: What is enthalpy equal to when pressure is constant?
C) Consider a process where the change in energy is 50 J and the change in enthalpy is -11 J. How much work was done if the process is carried out at constant pressure?
During fractional distillation, which of the following chemicals would come out at the top of the tower?.. octane, ethane, wax, or coal tar?
Consider the reaction that occurs during the Haber process: The equilibrium constant is 3.9 x 10^5 at 300 K and 1.2x10^-1 at 500 K calculate delta H rxn and delta S rxn.
how many moles of dinitrogen tichloride correspond to 645 mg of dinitrogen trichloride? how many nitrogen atoms would
A 89 L sample of dry air is cooled from 134°C to -18°C while the pressure is maintained at 2.85 atm. What is the final volume?
show the path an electron takes when orbiting an atom describe regions of space in which one is most likely to find an electron.
Can anyone tell me how is made Sigma(Like as primary bond) and Pi(like as secondarybond)in Oxygen(O2) molecule. How are joined atomical orbital.
Gaseous indium dihydride is formed from the elements at elevated temperature: In(g)+H2(g) (reactions goes both ways=double arrow) to InH2(g) with Kp=1.48 at 973 K
if 9.0L of NO are reacted with excess O2 at STP, what is the volume in liters of the NO2 produced?
How many atoms of carbon are present in 73 g of a compound that is 83.3% carbon, by weight?
Research the number of electrons that can fit into energy levels higher than the third level. Why does that explain why there is a space in the lower periods of the periodic table?
The vapor pressure of the benzene is 92.00 torr at this temperature; The vapor pressure of the solute is negligible. What is the vapor pressure of the solution?
If each mole of gas occupies 59 L under the conditions of the explosion, how many liters of gas are produced. Express your answer using two significant figures. How many grams OF N2are produced in the detonation
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