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1a)What is w when a gas is compressed from 38.3 L to 28.8 L using a constant external pressure of 745 mmHg? (Remember to include a "+" or "-" sign as appropriate.)
Enter your answer in acceptable SI units, accurate to 3 significant figures. Use an acceptable SI abbreviation for units
1b)What is w when 2.47 kg of H2O(l), initially at 25.0oC, is converted into water vapour at 137oC against a constant external pressure of 1.00 atm? Assume that the vapour behaves ideally and that the density of liquid water is 1.00 g/mL. (Remember to include a "+" or "-" sign as appropriate.)
The generic metal hydroxide M(OH)2 has Ksp= 6.64x10^-18. (Note: In this particular problem, because of the magnitude of the Ksp and the stoichiometry of the compound, the contribution of OH from water can be ignored. However, this may not always b..
what is the theoretical mass of xenon tetraflouride that form when 118. grams of xenon is reacted with 62.0 grams of flourine?
Organic Chem: A hexose A was obtained after (-) glyceraldehyde underwent three successive Killani-Fischer syntheses. Oxidation of A with nitric acid forms an optically inactive aldaric acid B. Wohl degradation of A followed by nitric oxidation giv..
Calculate the energy per photon of electromagnetic radiation, for a photon having a frequency of 5.16 X 10^19 Hz (h = 6.626x10^-34 J s):
Ribonuclease P proteins RPP21 and RPP29 bind one another during complex assembly. Thermodynamic measurements reveal that ΔH° = -66.3 kJ/mol and ΔS° = -73.2 J/mole*K at 40°C. What is the equilibrium constant for the binding reaction at 40°C?
determine the concentration of O3 in air sample (in ppm)If 10,000 Litres of air bubbled through iodide solution and back titrated with 19.4 mL of a 1.2x10-4 M Sodium thiosulfate, also spelled sodium thiosulphate solution to reach equivalence,?
Substitution and elimination reactions are competing reactions. Under what conditions can you ensure that substitution will predominate
Write the balanced molecular equation, the total ionic equation, and the net ionic equation
a 55.0g piece of copper wire is heated, and the temperature of the wire changes from 19.0C to 86.0C. The amount of heat absorbed is 1.4 kilojoules. What is the specific heat of copper?
Aluminum will act as the stronger reducing agent and iron will act as the stronger oxidant. In the spontaneous reaction, the oxidation number of iron will increase.
a given mass of neon gas has a volume of 25.0 liters at a pressure of .75 atm. if the pressure is changed to 300.0 torr and the temperature remains constant , what will the volume of neon be
If 842 pounds of Moon samples have been collected from lunar landings, what is the mass expressed in kilograms? (Given: 1 kilogram= 2.20 pounds).
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