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For 2.25 moles of an ideal gas, Pext=P=200x10^3 Pa. The temperature is changed from 122 C to 28.5C and Cv=3R/2. Calculate the q, w, delta U and delta H for an isochloric process.
A reaction inside a cylindrical container with a movable piston causes the volume to change from 14.0L to 21.0L while the pressure outside the container remains constant at 0.975 atm.
At 1 atm, how much energy (kJ) is required to heat 65.0 g of H2O(s) at -20.0 degrees C to H2O(g) at 135.0 degrees C?
Write the reaction of benzoic acid with propylamine. If there is no reaction
Which of the following equations represents the proper net ionic equation for the complete neutralization reaction between the weak acid HClO2 (aq) and the strong base KOH (aq)?
which of the following solutes is likely to be most soluble in water
Einstein stated that the incident radiation had to have a minimum energy to dislodge the electron from the metal surface. This energy is called the work function.
Half-life equation for first-order reactions: (the 1/2 in t1/2 is a subscript) t1/2=0.693/k where t1/2 is the half-life in seconds (s) , and k is the rate constant in inverse seconds (s^-1).
Using the values for the heat of fusion, specific heat of water, and or heat vaporization, calculate the amount of heat energy in each of the following
How many photons per second are striking the photocell? B. How much energy is mJ/s (millijoules per second) is the photocell absorbing?
The reaction caused the temperature of the solution to rise from 22.06 C to 26.42 C. If the solution has the same density and specific heat as water, what is deltaH for this reaction (per mole of H2O produced)?
You titrate a 0.1000 M solution of a strong base (NaOH) with a 100.00 mL solution of 0.1000 M Formic acid (Ka = 1.80 x 10^-4). Calculate the pH at the following points 100.0 mL of NaOH added
175g of water was heated from 15 degrees to 88 degress celsuis. how many kilocalories were absorbed by the water?
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