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A barrel of crude oil has a volume of 42 gallons, only approximately 45% of which is processed into gasoline. If your car achieves 25 mi/gal, and you drive 36,000 miles in one year, how many barrels of crude oil are required to run your car for a year?
In the laboratory, you are studying the first-order conversion of a reactant to products in a reaction vessel with a constant volume of . At 1:00 p.m., you start the reaction at 23 with 1.000 of . At 2:00 p.m., you find that 0.600 of remains, and ..
Use the equation pH= pKa + log ([conjugate base]/[acid]) to derive an expression showing the fraction of acid (f) in terms of its pKa and pH of the solution.
Indicate whether the pH is equal to 7, greater than 7, or less than 7 at the equivalence point for the following titrations at 25oC. a) HF + LiOH
Problem- It is often necessary for hospitals to measure the amount of ions in patient body fluids. Assume a patient has their urine collected over a 24-hour period. The urine specimen is diluted to 2.000 L and buffered to pH=10. A 10.00 mL sub-sam..
onsider the titration of a 25.6-mL sample of 0.120M RbOH with 0.105M HCl. Determine each of the following: a. The initial pH b. The volume of added acid required to reach the equivalence point
A sports-ultility vehicle has an average mileage rating of 18 miles per gallon. How many galllons of gasoline are needed for a 397-mile trip
determine the pressure inside a container of a gas connected to an open-end manometer filled with ccl4 has the density
Explain the design of a semi-batch reactor. What is the main advantage of using a semibatch reactor - Explain the importance of porous catalyst.
What is the wavelength in micrometers of a photon emitted from a Hydrogen electron relaxing from the
Determine the mass of CO_2 produced by burning enough carbon (in the form of charcoal) to produce 490 kJ of heat.
The solubility of barium fluoride, BaF2, is 3.15 x 10-3 M at 25 °C. Calculate the solubility product, Ksp, of both compounds.
Differentiate between the terms strength and concentration as they apply to acids and bases. When is HCL strong? Weak? Concentrated? Dilute? Answer the same questions for ammonia.
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