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How many grams of are CaH2 needed to generate 147L of H2 gas if the pressure of H2 is 827 torr at 20 C?
One weighs 32.78 grams of NaOH and dissolves it in water (with stirring) to the mark in a 1500 mL volumetric flask. What is the molarity of this solution
One of my pre-lab questions asks me to add one of two steps to the beginning of the mechanism for the reaction of benzopinacol with I2/HOAc to benzopinacolone to show the function of I2 in this rearrangment.
Exactly 100 mL of 0.10 M nitrous acid (HNO2) are titrated with a 0.10 M NaOH solution. Calculate the pH for the following. (a) the point at which 80 mL of the base has been added
A gas mixture, with a total pressure of 300. torr, consists of equal masses of Ne (atomic weight 20.) and Ar (atomic weight 40.). What is the partial pressure of Ar, in torr
Explain how effective clean coal technologies are with regard to reduction in carbon dioxide pollution levels and minimization of the carbon footprint.
Fluorescence resonance energy transfer (FRET) is a common technique to measure distances between donor (D) and acceptor (A) fluorescent molecules
Use the preceding information to predict the value of E for a silver-silver chloride electrode saturated with KCl. For the silver-silver chloride electrode, E° = 0.222 V
the combustion of butane produces heat according to the equation 2c4h10g 13o2g 8co2g 10h2ol hdegrxn -5314 kjmol.
Equilibrium between the composition of Hydrogen sulphide in the gaseous and liquid phases can be represented as Yn=48.3Xn.
Identify each of the following energy exchanges as primarily heat or work and determine whether the sign of is positive or negative for the system. A rolling billiard ball collides with another billiard ball
The molar heat capacities of iron and gold are 25.19J/molC and 25.41J/molC, respectively. What is the final temperature of the water and pieces of metal
Chlorine reacts with water to produce hydrochloric acid. Suppose 2.5 kg of chlorine were added to an olympic-sized swimming pool. How many grams of calcium carbonate would be needed to neutralize
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