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A quantity of gas has a volume of 200.0 liters at 17 degrees Celsius and 3.0 atm of pressure. To what temperature must the gas be cooled for its volume to be reduced to 150.0 liters at a pressure of 2.0 atm?
A H atom emitts a photon with a wavelength of 4.34 × 102 nm. If the energy of the initial state of the H atom was -8.72 × 10(-20) J, calculate the energy of the final state. Express answer in scientific notation.
Calculate the free energy change for transferring 1 mol of sodium ions from outside to inside of the cell at the pysiological temperature of 310 K.
Find the pH solution & Hydronium ion concentration and What is the pH of a solution of 0.17 M acid and 0.81 M of its conjugate base if the pKa = 8.62?
The normal melting point of benzene is 5.5 degrees Celsius . For the process of freezing, what is the sign for each of the following
Calculate the P-Cl bond energy, given the following reaction and the average bond dissociation energy of chlorine as 240kJ/mole.
Consider the following reaction- NO(g) + O3(g) NO2(g)+ O2(g). Compute delta G at 298K when the pressure of NO is 1.00 x 10-6 atm the pressure of O3 is 2.00x 10-6 atm, the pressure of NO2 is 1.00x 10-7 atm as well as the pressure of O2 is 1.00x 10-..
Calculate the pH of CO2-saturated water at 25 degrees C, given that the CO2 concentration in air is 366 and that for carbon dioxide the Henry's Law constant KH=3.4E-2 mol L-1 atm-1 at 25 degrees C.
calculate the volume of 0.1205 M NaOH that will neutralize 10.0 mL of 3.8% (by mass) citric acid solution.Assume the density
Explain the specific heat of iron metal is 0.450J/g-K. Explain how many J of heat are needed to raise the temperature of a 1.05-kg block of iron from 25.0°C to 88.5°C
which is commonly known as table sugar, reacts in dilute acid solutions to form two simpler sugars, glucose and fructose, both of which have the formula C6H12O6 At 23C
A calorimeter was used with 25 ml of 1M HCl and 50 ml of 1 M NaOH. Tmax =26.5c and Tinitial =20.0c. Determine the percent error.
If the partial pressure of oxygen drops below 100 , passengers become drowsy. If this happens, oxygen masks are released. What is the total cabin pressure at which oxygen masks are dropped
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