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How will the temperature of a gas sample change if its volume is decreased, assuming everything else is the same and the gas container is isolated from the surroundings so that no heat transfer between the container and the surrounding occurs? Explain without using the ideal gas law equation.
Calculate the number of carbon atoms in 4.56 grams of ethanol (CH3CH2OH).
How would the ground-state energy levels of X and H compare and would the energy of an electron in the n = 2 level of H be higher or lower than that of an electron in the n = 2 level of X? Explain your answer.
1. what is the formula of a compound if a sample of the compoundcontains 0.537 mol x 0.358 mol y and 0.895 mol z?2.
What is the entropy change for a particle in this system if the final number of microstates is 0.680 times that of the initial number of microstates
A 120.0mL buffer solution is 0.105M in NH3 and 0.135M in NH4Br. What amount of HCl could this buffer neutralize before it fell below 9.0 pH
The flask was removed, was quickly cooled to condense the volatile liquid, dried and weighed. The mass of the flask and the volatile liquid is 34.743 grams
write the net ionic equation for any precipitation reaction that may be predicted by the solubility rules on the
Calculate the equilibrium partial pressures of C2H6, N2, NH3, and C2H4. Peq(C2H6) = . Peq(N2) = . Peq(NH3) = . Peq(C2H4) = . (b) Calculate KP for this reaction. KP =
Consider the reaction 2NO2(g)--> N2O4(g). Go = -5.40 kJ at 298K. (b) Calculate delta G at 298K if partialpressures of NO2 and N2O4 are 0.36 atm and 1.60 atm
An empty Erlenmeyer flask weighs 261.9 g. When filled with water (d = 1.00 g/cm3), the flask and its contents weigh 465.2 g. What is the flask's volume in cm^3?
some hydrated metal chlorides will decompose upon heating, evolving hydrogen chloride along with water. How could one determine if this was happening to a sample of a particular metal chloride hydrate
The density of a 20.3 M CH3OH (methanol) solution is 0.858 g/mL. What is the molality of this solution. H2O is the solvent.
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