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Suppose that a particular reaction evolves heat of 228 kJ and that 40 kJ of (PV) work is gained by the system. Determine the values of Delta E and Delta H for the system?
Half life of Rn(a radioactive, colorless, odorless, tasteless noble gas) is 3.824 days. Determine after how many days will one-sixteenth of a given amount of radon-222 remain?
Determine the limiting reactant -reaction mixture initially contains no products
Molecular formula of a compound and Deduce from these data the corresponding equation and write formulas for the oxide and sulfate of M .
calculate What mass of AlBr 3 is formed and calculate what mass of CCl 4 will be formed if 1.5 moles of CH 4 react with 1.4 moles of Cl?'
Compute the ΔH for this reaction and express your answer in kilojoules if the given . Bond Energies (kJ/mol) are N-Cl 201 , Cl-Cl 243 , N-H 389 ,H-Cl 431
This given reaction: 2 O3(g) -→ 3 O2(g) has an empirically determined rate law (with a single unimolecular event). Determine what is the observed rate If k =4.0 × 105s-1, [O2] = 0.2M and [O3] = 0.5 M?
what would be the atmospheric pressure of MTBE in Pa If this sample were at equilibrium with atmospheric MTBE? KH = 1.7 M/atm.
Determine how many moles of carbon dioxide should be combined to the system to bring the equilibrium carbon monoxide concentration to 0.715 mol/L?
Determine the concentration of H+ ions in a solution of HCl that was prepared b diluting 50.0 mL of concentrated (11.6 M) Hydrochloric acid to a final volume of 500mL?
N and H undergo a combination reaction under appropriate conditions, to yield ammonia: N2 (g) +3H2 (g) →2NH3 (g), determine how much sample of N2 in grams requires 3.0 g of H2 for complete reaction.
Find the amount of known substance present in the mixture and determine the mass of calcium carbonate present in original mixture.
Find the lowest temperature of vaporization and the highest temperature when there is liquid left over and Determine the range of temperatures which could be used for this process.
How many gm of dry NH4Cl need to be combined to 2.30L of a 0.300M solution of NH3, to prepare a buffer solution of pH 8.85.
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