the partial vapor pressure of water in the air surrounding the cookie is measured and is found to be 947Pa. What is the water activity of cookie if the saturated water vapor pressure of water at 38degC is 3158Pa?

Q: A sample of N204(g) is placed in an empty cylinder at a certain temperature. It is allowed to…

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Q: For the reaction 3A(g) + 3B(g) C(g) K. = 76.4 at a temperature of 113 °C . Calculate the value of…

A: Equilibrium constant is defined as products concentrations divided by reactant concentrations to the…

Q: The value of DeltaHvap is 53 kJ/mol for the liquid dimethyl sulfoxide (DMSO). Given that the vapor…

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Q: why does the decomposition of calcium carbonate to calcium oxide and carbon dioxide occur in a…

A: The decomposition reaction is mostly activated by thermal energy. Decomposition of Calcium carbonate…

Q: Gas Initial Concentration (M) H2 0.030 I2 0.015 HI ? Samples of three gases, H2(g) , I2(g)…

A: The expression of Kc for the given reaction is as follows:

Q: The solubility of lanthanum(III) iodate, La(IO3)3 (MM: 663.61 g/mol), in water at 20 °C is 0.04575…

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Q: For the equilibrium A+B=C+D K was measured to be 1.20 at 25 °C and 1.15 x 10² at 300 °C. What is AH°…

A: Relationship between two equilibrium constants at two different temperatures with enthalpy change of…

Q: For the equilibrium 21Br(g) = 12(g) + Br₂(g) Kp = 8.5 x 10-³ at 150 °C. Part A If 2.9x10-2 atm of…

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Q: NiO is to be reduced to nickel metal in an industrial process by use of the reaction NiO (s) + CO(g)…

A: The equilibrium reaction is: NiO(s) + CO(g) ⇌ Ni(s) + CO2(g) ; Kp = 6.0*102  or 600  Given data is…

Q: At room temperature when HI (aq) is added to potassium bisulfite, KHSO3(s), sulfur dioxide is formed…

A: (A) The reaction vessel becomes cold after the completion of a reaction which means the given…

Q: Consider the following reaction where K. = 1.29x10-2 at 600 K: COCI2 (g) co (g) + Cl2 (g) A reaction…

A: Given-> Kc = 1.29 × 10-2 Mole of COCl2= 0.113 mole Mole of CO = 4.94 × 10-2 mole Mole of Cl2 =…

Q: Excess A(g) is placed in a vacuum vessel with a certain volume at 298 K and pa = 53.33 kPa. A does…

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Q: None

A: Step 1:The nucleophile is allyl carbanion  Step 2: Step 3: Step 4:

Q: For the reaction: 2A(g) + 3B(g) ⇒ 4C(g) + 5D(g) where Kp = 2.432.104 the gaseous components are…

A: ΔG is the change in free energy of a system as it goes from some initial state, such as all…

Q: At 25C RG for the reaction N204 (g) 2NO2 (g) is 1380 cal/mol. What is the degree of dissociation at…

A: Given data contains, ∆G=1380 cal/mol Temperature=25°C=25+273.15 K=298.15 K P=10 atm

Q: A sample of SO3 decomposes according to the following equation: 2 SO3(g) 2 SO₂(g) + 1 0₂(g) An…

A: According to the question,The reaction is given as,Find- The Kp and total pressure.

Q: For the reaction 2 A(g)⇋B(g)+2 C(g), a reaction vessel initially contains only A at a pressure of…

A: PA = 0.0855 atm (in 3 significant figures) PB = 0.54605 or 0.546 atm (in 3 significant figures) PC =…

Q: You add solid Cu3(PO4)2 to a beaker containing 100mL of water at 298K. The solid doesn’t dissolve.…

A: Ksp of Cu3(PO4)2 = 1.40 x 10-37 Since the Cu3(PO4)2 is an ionic compound, it forms ions when…

Q: The solubility of Fe(OH)2 is 2.1 x 10-4 g L-1. What is the Ksp for Fe(OH)2 at 25 °C?

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Q: For this heterogeneous system 2A(aq)+3B(g)+C(l)↽−−⇀2D(s)+3E(g) the concentrations and pressures at…

A: Given  2A(aq) + 3B(g) + C(l) <---------> 2D(s) + 3E(g) [A] = 1.35 * 10-2 M pB = 8.62 * 103 Pa…

Q: For the system: 2 HI(g) = H2(g) + 12(g), at 445°C, the value for K, is 0.020. A mixture of H2, 12,…

A: The given equilibrium is    2 HI (g) <--------> H2 (g) + I2 (g) The equilibrium constant is K…

Q: If 500.0 mLmL of 0.10 mol L−1 Ca2+mol L−1 Ca2+ is mixed with 500.0 mLmL of 0.10 mol L−1 SO42−mol L−1…

A: In a solution, when the amount of salt added it more than the solubility amount of the salt, the…

Q: Salt: FeCl2 give the dissociation reaction, including phases.

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Q: the standard Gibbs Free Energy

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Q: What is true about the relationship of K, and K for :the reaction Co(g) + 4 H20(g) = 22 ?CH4(g) + 3…

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Q: The temperature of the (near) boiling water was found to be 99.7 Co, and atmospheric pressure was…

A: We would use conversion factors to change each term ito required units .  Then we would use ideal…

Q: At 500 K, the Kp of the reaction PCl5 (g) = PCl3 (g) + Cl2 (g) is 0.497. In a chamber at 500 K, we…

A: Kp is the constant of equilibrium determined from the partial pressures of the equation of reaction.…

Q: Sulfur trioxide decomposes at a high temperature in a sealed container. Initially the vessel is only…

A: Equilibrium reaction:                                    2SO3 ⇌Kc 2SO2 + O2 Given information:…

Q: Gas Initial Concentration (M) H2 0.030 I2 0.015 HI ? Samples of three gases, H2(g) , I2(g)…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: At 500 K, the Kp of the reaction PCI5 (g) = PCI3 (g) + Cl2 (g) is 0.497. In a chamber at 500 K, we…

A: Recall the given reaction               PCl5g→PCl3 g+ Cl2gWrite expression of reaction…