Nitrogen dioxide and water react to form nitric acid and nitrogen monoxide, like this: 3 NO₂(g) + H₂O(1)→ 2 HNO3(aq) + NO(g) At a certain temperature, a chemist finds that a 3.4 L reaction vessel containing a mixture of nitrogen dioxide, water, nitric acid, and nitrogen monoxide at equilibrium has the following composition: compound NO₂ H₂O HNO3 NO amount 5.9 g 142.0 g 15.1 g 12.0 g Calculate the value of the equilibrium constant K for this reaction. Round your answer to 2 significant digits. K = D x10 X S

Carbon dioxide and water react to form methanol and oxygen, like this: 2 CO,(g)+4 H2O(g)→2 CH;OH(1)+3 02(g) At a certain temperature, a chemist finds that a 3.0 L reaction vessel containing a mixture of carbon dioxide, water, methanol, and oxygen at equilibrium has the following composition: ol. compound amount Ar CO2 3.88 g H2O 4.05 g CH,OH 2.21 g O2 1.49 g °C Calculate the value of the equilibrium constant K, for this reaction. Round your answer to 2 significant digits. K_ = 0 x10

Calcium carbonate decomposes to form calcium oxide and carbon dioxide, like this: CaCO3(s) CaO(s) + CO₂(g) At a certain temperature, a chemist finds that a 2.8 L reaction vessel containing a mixture of calcium carbonate, calcium oxide, and carbon dioxide at equilibrium has the following composition: compound amount CaCO3 73.8 g CaO 42.1 g CO₂ 38.4 g Calculate the value of the equilibrium constant K for this reaction. Round your answer to 2 significant digits. K = [0]

Nitric acid and nitrogen monoxide react to form nitrogen dioxide and water, like this: 2 HNO3(aq)+NO(g)→ 3 NO,(g)+H,0(1) At a certain temperature, a chemist finds that a 4.5 L reaction vessel containing a mixture of nitric acid, nitrogen monoxide, nitrogen dioxide, and water at equilibrium has the following composition: compound amount dlo HNO3 14.2 g 18 Ar NO 7.3 g NO, 19.2 g H,O 87.0 g Calculate the value of the equilibrium constant K for this reaction. Round your answer to 2 significant digits. K = 0 x10 ?

Iron(III) oxide and hydrogen react to form iron and water, like this: Fe,0;(s)+3 H,(g)→2FE(s)+3H,O(9) At a certain temperature, a chemist finds that a 5.1 L reaction vessel containing a mixture of iron(III) oxide, hydrogen, iron, and water at equilibrium has the following composition: compound amount db Fe,O3 4.36 g H, 4.35 g Fe 3.23 g H,0 2.73 g Calculate the value of the equilibrium constant K, for this reaction. Round your answer to 2 significant digits. Explanation Check 2022 McGraw H LLC. A Rights Reserved Terms of Use Pvacy Center Accessibil DE P Type here to search JU P. Alt alexa ENADLED

Carbon dioxide and water react to form methanol and oxygen, like this: 2 CO,(9)+4 H,0(g)→2 CH;OH(1)+3 O2(9) At a certain temperature, a chemist finds that a 7.2 L reaction vessel containing a mixture of carbon dioxide, water, methanol, and oxygen at equilibrium has the following composition: compound amount CO, 3.88 g H,0 4.38 g CH;OH 4.22 g O2 1.08 g Calculate the value of the equilibrium constant K, for this reaction. Round your answer to 2 significant digits. K_ = 0

A mixture of 0.10 mole NO, 0.050 mole H₂, and 0.10 mole H₂O is placed in a 2.0 L vessel. The following equilibrium is established: + 2 H₂ (g) = N2(g) + 2 H₂O (g) 2 NO At equilibrium [NO] = 0.030 M. The initial concentration of N₂ was not mentioned so you must assume [N₂] = 0. Calculate the equilibrium concentrations (in M) of: More Information X H₂ (g) XN₂ (g) X H₂O (g) Question Answer Your answer -.020 is Your answer .035 is in Your answer .170 is i Tol: 0.0001 Tol: 0.001 Tol: 0.001

Phosphorus pentachloride decomposes according to the chemical equation Ke = 1.80 at 250 °C PC15 (g) ⇒ PC13(g) + Cl₂(g) A 0.3606 mol sample of PC15 (g) is injected into an empty 3.95 L reaction vessel held at 250 °C. Calculate the concentrations of PC15 (g) and PC13 (g) at equilibrium. [PCI,] = [PC1₂] = M M

Calcium oxide and carbon dioxide react to form calcium carbonate, like this: CaO(s)+CO,(g)→CaCO3(s) At a certain temperature, a chemist finds that a 8.1 L reaction vessel containing a mixture of calcium oxide, carbon dioxide, and calcium carbonate at equilibrium has the following composition: compound amount СаО 43.8 g CO2 40.9 g CaCO3 55.4 g Calculate the value of the equilibrium constant K, for this reaction. Round your answer to 2 significant digits. K = 0 x10

Calculating an equilibrium constant from a partial equilibrium composition Steam reforming of methane ( CH4 ) produces "synthesis gas," a mixture of carbon monoxide gas and hydrogen gas, which is the starting point for many important industrial chemical syntheses. An industrial chemist studying this reaction fills a 1.5 L flask with 4.3 atm of methane gas and 1.8 atm of water vapor, and when the mixture has come to equilibrium measures the partial pressure of hydrogen gas to be 3.2 atm. Calculate the pressure equilibrium constant for the steam reforming of methane at the final temperature of the mixture. Round your answer to 2 significant digits. K p 11] ☐ x10 ☑ ⑤