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a gas mixture with a total pressure of 770 mmHg contains each of the following gases at the indicated partial pressures: CO2, 122 mmHg; Ar, 209 mmHg; and O2, 191 mmHg. The mixture also contains helium gas. what is the partial pressure of the helium gas?
A 14.7-g ice cube is placed into 324 g of water. Calculate the temperature change in the water upon complete melting of the ice. Determine how much heat is absorbed by the melting ice and then use q = mC?T to calculate the temperature change of the..
Calculate the equilibrium partial pressures of O2, NOCl, NO2, and Cl2. Peq(O2) = . Peq(NOCl) = . Peq(NO2) = . Peq(Cl2) = . (b) Calculate KP for this reaction. KP
How much heat energy is evolved or absorbed 8kg of Ca(OH)2 reacts with a stoichiometric amount of CO2 Delta(H) = -69.8 kJ/mol
What property of the atom did Moseley associate with the wavelength of X-rays emitted from an element in his experiments?
When a container is filled with 3.00 mol of H2 , 2.00 mol of O2 , and 1.00 mol of N2 , the pressure in the container is 465 kPa. The partial pressure of O2 is ?
Calculate the internal energy of He, Ne, and Ar under standard thermodynamic conditions. Do you need to redo the entire calculation
A gas is compressed from 68.2 L to 8.0 L at 0.70 atmospheres? In addition a total of 3300 J of heat are gained from warmer surroundings. What is the change in internal energy in kJ
What is the name of the compound when you say Sodium Bromide plus Sodium Sulfide. Also, please write the formulas for each.
Joseph Priestley discovered oxygen in the eighteenth century by using heat to decompose mercury(II) oxide: 2 HgO(s) + heat --> 2 Hg(s) + O2(g)
Draw the product for the chlorination of 2-methylbutane that proceeded through a secondary radical.
Calculate the NET ATP formed in the catabolism of Oleic Acid, a 20 Carbon Molecule. label the parts of the equation to show the relative contributions of Beta Oxidation,
show that the function y=y(x) =Asin(kx) satisfies that equation d^2y/dx^2 = -k^2y if A and k are constants. This is an example of a differential equation.
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