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A system expands from 1.00 L to 2.00 L against a constant external pressure of 1.00 atm. What is the work (w) done by the system in J?
An insulated tank is divided into two equal parts. Both halves contain the same ideal gas but one is at 300K and 2 bar while the other one is at 1 bar.
If 0.130 g of p-aminophenol is allowed to react with excess acetic anhydride, what is the theoretical yield of acetaminophen in moles. In grams
The total Calories for 2 tablespoons of crunchy peanut butter that contains 6 of carbohydrate, 16 of fat, and 7 of protein
Penicillase is an enzyme secreted by bacteria to inactivate the antibiotic penicillin. The enzyme has a molar mass of 30,000 and a single active site. The catalytic rate constant is 2000 s-1 and the Michaelis constant is KM = 5 x 10-5 M.
PCl5(g) PCl3(g) + Cl2(g) Kc=0.042 The consentrations of the products at equilibrium are (PCl3)= 0.150M and (Cl2)=0.200 M. What is the consentration of the reactant, PCl5 at equilibrium
Acid-catalyzed dehydration of 2,2-methyl-1-hexanol gave a number of isomeric alkenes including 2-methyl-2-heptene. Write a step-wise mechanism for the formation of 2-methyl-2-heptene. Draw and name the other alkenes you think are formed in this re..
a 0.21l sample of hydrogen gas is collected over water. the reaction that allowed the gas to be liberated was between
Rank cyclohexanol,tetrahydropyran-3-ol,tetrahydropyran-2-ol,and 2-cyclohexen-1-ol based on their SN1 reactivity. They all form secondary carbocations, correct? How does the oxygen affect their SN1 reactivity
A mixture of 4.55atm of H2 and 4.55atm of I2 is contained in a 1.0L vessel at 430 degree C. The equilibrium constant (Kp) for the reaction: H2(g) + I2(g) 2HI(g) at this temperature is 54.3. Determine the equilibrium partial pressures of H2,
The change in heat for the solution proecss when solid sodium hydroxide dissolves in water is 44.4 kj/mol. when a 13.9 g sample of naoh dissolves in 250.0 g of water in a coffee cup calorimeter, the temperature increases from 23.0 degrees C to how..
The molar solubility of manganese(II) carbonate is 4.2 ? 10-6 M. What is Ksp for this compound
what will be the final concentration of the seawater at 20 °C when reverse osmosis stops? Assuming that seawater has a total ion concentration (a.k.a colligative molarity) of 1.10 Mc, calculate how many liters of seawater are needed to produce 15...
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