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Derive an expression for (δU/δV)T for a gas that obeys the van der Waals equation of state.
An element has a mass of 207 and has 125 neutron in its nucleus. how many protons and electrons does it have and where are they located
The experimental value of nylon 6,10 is 2.160 grams. I need to calculate the theoretical mass of nylon 6,10, in order to find out the percent yield.
Octane has a density of 0.692 g/mL at 20 C . How many grams of O2 are required to burn 19.0 gal of C8H18.
At equilibrium, the flask contains 90.6g HI Calculate the equilibrium constant for the reaction at this temperature.
How much heat is required to warm 231 g of ice from -45.1°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C
where r is the radius. Compute the volume of a sphere with a radius of 593 pm. State your answer in units of m3.
Magnesium hydroxide is used in several antacid formulations. When it is added to water it dissociates into magnesium and hydroxide ions. Mg(OH)2(s) Mg2+(aq) + 2OH-(aq).
Cobalt was used as an internal standard to analyze a sample of titanium with atomic absorption spectroscopy. A mixture was prepared by combining a 5.50 mL Ti solution of unknown concentration with 2.00 mL of a 13.4 g/mL solution of Co
Find the partial pressure of each product and the total pressure in the flask at the end of the reaction?
What is the percent yield of a reaction in which 222 g phosphorus trichloride reacts with excess water to form 141 g HCl and aqueous phosphorus acid (H3PO3)?
Zinc sulfide reacts with nitric acid to give zinc sulfate and nitric oxide. Calculate the mass of zinc required to react with 110 mL of 0.15 M nitric acid.
the water level in the collecting vessel is the same as the outside level. Atmospheric pressure is 756.0 Torr and the temperature is 25 degrees C. Calculate the atomic mass of the metal.
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