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Question: What is the initial temperature (°C) of a system that has thepressure decreased by 10 times while the volume increased by 5times with a final temperature of 150K?
What molarity of aqueous magnesium chloride solution can be expected to show the same conductivity as 0.0075 M aluminum sulfate at 15,000 units.
The following reaction was carried out in a 2.50L reaction vessel at 1100 K: C(s)+H2O(g)?CO(g)+H2(g) If during the course of the reaction, the vessel is found to contain 5.25mol of C
What types of bonds are responsible for the secondary structure of a protein? How would the addition of a heavy metal affect the secondary structure of a protein?
The radioactive isotope tritium decays with a first-order rate constant k of 0.056 year-1. What fraction of the tritium initially in a sample is still present 30 years later?
An aqueous solution containing 4.95 g of an optically pure compound was diluted to 300 ml with water and placed in a polarimeter tube 20 cm long. The measured rotation was -3.01 degrees at 25 degrees Celsius. Calculate the specific rotation of the..
Phosgene decomposes by the reaction COCL(g) CO(g) + Cl2 K2=8.3x10^-4 (at 360C) When 5.00 mol of COCL2(g) are placed in a 10.0 L flask, find the quilibrium concentration of COCL2, CO and CL2 using the follow steps
The pH of a household cleaning solution is 11.64. This cleanser is an aqueous solution of ammonia with a density of 1.00 g/mL. What is the mass percentage of ammonia in the solution
A buffer is prepared using the propionic acid/propionate acid-base pair for which the ratio (of acid to base) is 4.50. (a) Enough strong base is added to convert 27% of HC3H5O2 to C3H5O2-. What is the pH of the resulting solution
Write a balance equation for each of the following reactions and identify the type of reaction: a) Solid potasium chlorate is heated to form solid potassium chloride and oxygen gas; b) Carbon monoxide gas and oxygen gas combine to form carbon diox..
A solution of H2SO4 (aq) with a molal concentration of 6.80 m has a density of 1.318 g/mL. What is the molar concentration of this solution
The number of lone pairs = The number of single bonds = The number of double bonds = 2. The central nitrogen atom A. Obeys the octet rule B. Has an incomplete octet. C. Has an expanded octet.
Deionized water from a wash bottle was added to wash down the wall of the receiving flask during the titration .how does this affect the reported molar concentration of the sodium thiosulphate solution. explain
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