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To determine the volume of a gas using ideal gas law.
What volume would 5.6 moles of sulfur hexafluoride (SF6)gas occupy if the temperature and pressure of gas are 128 degrees C and 9.4 atm?
In the following problem you must: 1) Determine the correct formula for each reactant and product. 2) Determine the correctly balanced chemical equation. 3) Us the stoichiometry of the chemical equation to answer the que ...
Determine the mass of glucose, C6H12O6(s), needed to produce a 0.150m glucose solution in 50.0mL of C2H5OH(l), density 0.789g/mL
Imagine you are performing a calorimetry experiment using a constant-pressure calorimeter. First, you calibrate the calorimeter using the reaction of KOH with HCl (enthalpy = -56.2 kJ/mol). Then, you use the calorimeter ...
Please respond to ONE of the below questions in detail. These questions are taken from Sam Kean's "Questions and Topics for Discussion". Your response needs to be 1-2 pages long, or approximately 700-900 words. Consider ...
1. When toluene is used in free radical bromination, a very small amount of product is formed that contains only carbons and hydrogens and no bromine. Show the structure of that product and the arrow curved mechanism of ...
A solution containing the complex formed between Bi(III) and thiourea has a molar absorptivity of 9.32x10^3 Lxcm^-1xmol^-1 at 470 nm. What is the absorbance of a 6.24 x10^-5 M solution of the complex in a 1.00-cm cell? W ...
Explain how bacteria are intimately involved in the generation of acidic mine waters
You are provided with 200ml of 0.5molL-1 hydrochloric acid in which has been dissolved in a small quantity of anhydrous sodium carbonate. When titrated, 25ml of this solution requires 20.5ml of 0.5molL-1 sodium hydroxide ...
A sample has a specific heat of 0.155 cal/g·°C. How much energy will be required to raise the temperature of the sample from 20.0°C to 35.0°C if the sample has a mass of 8.0 g?
1. If you wish a buffer to have a pH of 10.00, what is the desired [H 3 O + ]? 2. In the buffer from 6, you want to select a weak acid (one of the conjugate pair) with a Ka close to that value of [H 3 O + ]. Explain why, ...
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