Chemistry

A sample of 2.00 mol O2 (assumed perfect) is originally confined in a 20.0L at 273K and 2.24 atm. it undergoes reversable adiabatic expansion until the volume has increased by a factor of 3. Calculate q, w, delta u, delta h, and delta t. Cv=7/2R and cp=5/2R

  1. 👍
  2. 👎
  3. 👁

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry e

    The rusting of iron is represented by the equation 4Fe +3O2 --> 2Fe2O3. If you have a 1.50-mol sample of iron, how many moles of Fe2O3 will there be after the iron has rusted completely? a. 0.50 mol b. 0.75 mol c. 1.0 mol d. 1.50

  2. English

    Select the correct verb tense used in the sentences below That company has been making surfboards since the 1960's present perfect progressive present progressive*** past perfect progressive past progressive We had been listening

  3. English

    1. Which mood is used in the following sentence? When will the tickets go on sale? a. indicative****** b. imperative c. conditional d. interrogative Please select the correct verb tense that is used in the sentences below. 2. That

  4. English

    Choose the progressive or emphatic verb tense that is used in each sentence. 18.Ms. Palmer has been organizing the class schedules for us. present perfect progressive past progressive present progressive 19.We had been listening

  1. chemistry

    1) A gas has a pressure of 3 atm when the temperature is 25C, what is the new pressure when the temperature is raised to 50C? (make sure temp is in K) - round answer to hundredths place 2) Neon at 2 atm and 273K has a volume of

  2. chemistry

    Complete combustion of a 0.40-mol sample of a hydrocarbon, CxHy, gives 2.40 mol of CO2 and 1.60 mol of H2O. The molecular formula of the original hydrocarbon is Group of answer choices C2H8. C6H8. C9H16. C5H5. C4H7.

  3. Chemistry

    A 0.450-gram sample of impure CaCO3(s) is dissolved in 50.0 mL of 0.150 M HCl(aq). The equation for the reaction is: CaCO3(s)+2HCl(aq) -> CaCl2(aq) + H2O(l) + CO2(g) The excess HCl(aq) is titrated by 9.75 mL of 0.125 M NaOH(aq).

  4. chem thermo

    consider a system consisting of 2.0mol co2(g) initially at 25c and 10atm and confined to a cylinder of cross section 10.0cm2. it is allowed to expand adiabatically against an external pressure of 1.0atm until the piston has moved

  1. Chemistry

    A sample of methane (CH4) gas contains a small amount of helium. Calculate the volume percentage of helium if the density of the sample is 0.70902 g/L t 273K and 1.00 atm. I know that the sample is at STP and that the 1 mole of

  2. AP Chem

    The energy change H associated with the reaction NBr3(g) + 3H2O(g) -> 3HOBr(g) + NH3(g) is +81 kJ/mol rxn. These bond energy values might be useful: O-H 459 kJ/mol; N-H 386 kJ/mol; O-Br 201 kJ/mol. The strength of the N Br bond

  3. Chemistry

    A sample weighing 3.064 g is a mixture of Fe2O3 (molar mass = 159.69) and Al2O3 (molar mass = 101.96). When heat and a stream of H2 gas is applied to the sample, the Fe2O3 reacts to form metallic Fe and H2O(g). The Al2O3 does not

  4. chemistry

    Assume 5 mol of N2 gas is confined in a 10 L container at 523 K. calculate the pressure of the gas in kilopascals and in atmospheres.

You can view more similar questions or ask a new question.