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Two moles of liquid water are allowed to expand into an evacuated flask such that the final pressure is 0.35atm. The experiment is kept at a constant temperature. It is found that 15.1 kJ are absorbed and the change in enthalpy is 21302 J. Calculate the values for T (in K), w, delta U, and delta S. Neglect PV quantities for water and assume ideal behavior for water vapor. (Note: when calculating the entropy change, it can be considered as two components: H20(l) at 1 atm to H20(g) at 1 atm and H20(g) at 1 atm to H20(g) at 0.35 atm.
A steel tank has a volume of 438 liters and is filled with 0.885 kg of Oxygen. Calculate the pressure of oxygen at 21 degrees Celsius.
Properties of subatomic particles - Fill in the missing relative masses and relative charges for each of the subatomic particles
Determine the change in internal energy of the gas express your Answer in units of kJ and operates for nine minutes to heat the gas in a cylinder
The resultant mixture is then evaporated in a kettle to produce a jam contain- ing 67 wt % soluble solids
A proton in a linear accelerator has a de Broglie wavelength of 155 pm. what is the speed of the proton?
What is the pH of a solution prepared by mixing 25.00 mL of a 0.10 M solution of the weak acid CH3CO2H with 25.00 mL of 0.040 M sodium acetate, CH3CO2Na? Assume that the volume of the solutions are additive and that Ka = 1.8 ?* 10-5 for CH3CO2H.
determine the heat released when (ethene) CH2 CH2 reacts with hydrogen gas and form CH3CH3.If Bond enthalpies given are H H : 436 kJ/mol,C Br : 276 kJ/mol,C C : 612 kJ/mol,C C : 348 kJ/mol,C H : 412 kJ/mol;
use standard reduction potentials to find the equilibrium constant for the following reaction at 25 degrees C.
you have 19.16 g of CH4 and 22.13 g of O2. How many grams of CO2 would be generated, CH4 + 2 O2 --> CO2 +2 H2O
What is the limiting reagent in this procedure? B. Based on your answer to part A, what mass of Fe(C5H5)2 could theoretically be formed? C. A student who carried out this reaction obtained 2.7 g of ferrocene. What was the percent yield for this re..
how many moles of calcium ions are in 1L of a 2.0M solution of CaCl2
Determine which of the following reactions are oxidation-reduction reactions and which are not. what type of reaction do you have if it is not an oxidation-reduction reaction?
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