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Explain a compound decomposes by a first-order reaction. Explain the concentration of compound decreases from 0.1006M to 0.0810 M in 5.2min. Explain what fraction of the compound remains after 7.0 min?
Consider the following reaction in a closed reaction flask. If 1.50 atm of gas A is allowed to react with 0.500 atm of gas B and the reaction goes to completion at constant temperature and volume, what is the total pressure in the reaction flask a..
A solution made by adding solid sodium hypochlorite (NaClO) to enough water to make 2.00 L of solution has a pH of 10.50. Calculate the number of moles of NaClO that was added.
The activation energy of a certain reaction is 45.3kJ/mol . At 24{~}^{\circ}\rm C , the rate constant is 0.0160s^{-1} . At what temperature in degrees Celsius would this reaction go twice as fast?
how many moles of Cu2O can be produced from the reaction of 0.66 mol Cu with 0.40 mol O2?
Under these conditions, how long would it take for a sample to decompose to 25% of it original concentration?
A student was in a hurry to leave the lab and recorded the melting point of the recrystallized trimyristin right after washing the crystals with cold acetone. The melting point range was 46 -50 degrees C. Is this a good result
A sample of hydrogen gas was collected over water at 36°C and 855 mm Hg. The volume of the container was 6.50 L. Calculate the mass of H2(g) collected. (Vapor pressure of water = 44.6 torr at 36°C)
what is the volume of a block with the dimensions 95.6cm in length, 43.7cm wide, and 10.2cm in height?
the structure they gave me already has two nonbonding electrons on Bromine with no formal charge
An aqueous solution of sucrose, C12H22O11, boils at 112 degrees celcius. what is the molality
A 0.00445 mol sample of a weak acid, HY, is dissolved in enough water to form 0.0976 L of solution. If the pH of the solution is 4.02, what is the Ka of HY? Use E notation with 3 significant figures.
a technician is plating a faucet with chromium. What mass of chromium could be deposited by electrolysis of an aqueous solution of Cr2(SO4)3 for 180 minutes using a constant current of 10.0 amperes
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