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The volume of a gas is 93 mL when the temperature is 91 C. if the temperature is reduced to 0 C without changing the pressure, what is the new volume of the gas
Determine the value of Faraday used If the electrolysis was carried out for eighty minutes with a current of four amperes flowing
Phosphorus, P, is combined with flourine F2, to give a gaseous compound with the formula PFx. If you start with 2.982 grams of P and isolate 12.129 grams of PFx, what is the value of x?
A mixture of KBr and NaBr weighing 0.560 gm was treated with aqueous Ag+ and all the bromide ion was recovered as 0.970 gm of pure AgBr. What was the fraction by weight of Kbr in the original sample?
Liquid carbon disulfide burns in oxygen to form carbon dioxide and sulfur dioxide gases. Calculate the number of oxygen molecules it would take to consume 500 molecules of carbon disulfide
Seven tiny spheres of liquid mercury each have a diameter of 2 millimeters. They are now added together and coalesce into one larger drop. What is the diameter of this larger drop?
B2H6 + 3O2= B2O3+3H2O ; delta H=-2035 KJ how much heat is released when a mixture of 7.35 g B2H6 and 2.60 g O2 is burned?
Calculate the fraction of atoms in a sample of argon gas at 391 K that have an energy of 12.7 kJ
Draw structures corresponding to each of the given names. Draw: 2-fluoro-3-methylpentane, 3-cyclobutylpentane
What is the molar mass of this substance, express your answer in g/mol and determine the moloar concentraitions Cr 2 O 7 ^2 and of K + ?
A 1.20 M solution of citric acid (H3C6H5O7) in water has a density of 1.10 g/cm3. Calculate the normality. Citric acid has three acidic protons.
A compound contains 10.13% C, and 89.87% Cl (by mass). Determine both the empirical formula and the molecular formula of the compound given that the molar mass is 236g/mol
The concentration of phosphoric acid in Coke is approximately 106.0 mg/mL. Assuming phosphoric acid is the only acid in Coke, calculate the pH of a 355 mL can of Coke.
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