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a steel tank with a volume of 9.583L contains N2 gas under a pressure of 4.972 atm at 31.8C Calculate the number of moles of N2 in the tank.
At 0.0oC, if the volume of air is 2.9 mL and the pressure of the atmosphere that day is 675 mmHg, what is the number of moles of air?
Given that B(SiO) 640 kJ/mol, show that bond enthalpy considerations predict that silicon-oxygen compounds are likely to contain networks
description of the mechanism of this reaction? tertiary carbanion, 2-methylpentoxonium ion, sp hybridized pentyne, vicinal dihydroxide, or hydroxide ion.
A buffer is made by dissolving H3PO4 and NaH2PO4 in water. Write and equation that shows how this buffer neutralizes added bases.
Find the volume of oxygen - What volume of oxygen is needed to completely combust 2.07 L of methane gas
A sample of water in the vapor phase (no liquid present) in a flask of constant volume exerts a pressure of 429 mm Hg at 97 °C. The flask is slowly cooled
an aqueous CaCl2 solution has a vapor pressure of 81.1 mmHg at 50 C. The vapor pressure of pure water at this temperature is 92.6 mmHg.
What is the percent yield of a reaction in which 228. g phosphorus trichloride reacts with excess water to form 118 g HCl and aqueous phosphorus acid (H3PO3)?
what is the enthalpy change when 40.1 mL of 0.400 M sulfuric acid reacts with 19.5 mL of 0.133 M potassium hydroxide? H2SO4(aq)+2KOH(aq)->K2SO4(aq)+2H2O(L)
how many grams of methanol (CH3OH) is required to prepare a 0.112 m solution in 440 g of water? answer in units of g.
Standard Atmos. Pressure is 90.0 atm. What are the Partial Pressures of the Gases in mmHg?
The appropriate chemical equation is PCl3(g)+Cl2(g) PCl2 Calculate the new partial pressures after equilibrium is reestablished.
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