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Sulfuric acid, H2SO4, reacts with sodium chloride, NaCl, to form aqueous sodium sulfate and hydrogen chloride gas. What volume of gas will form at STP when 0.0980 kg of H2SO4 reacts with excess NaCl?
a) 4.48 x 104 mL
b) 2.24 x 104 mL
c) 2.24 x 103 mL
d) 8.93 x 101 mL
e) 2.24 x 101 mL
the proton nmr spectrum of a compound gives a singlet at ? 2.10 and ? 2.56 in a ratio of 32 respectively. which
Calculate the freezing point of each of the solution 75.0 g of glucose,C6H1206 , added to 0.539 kg of water. Calculate the boiling point of the solution. 75.0 g of glucose,C6H1206 , added to 0.539 kg of water.
Suppose that ethylene is to be supplied to the reaction chamber at the rate of 100 L per minute at 300 degrees Celsius and 7.00 x 103 kPa. AT what rate in moles per minute is ethylene being supplied to the reaction chamber?
If sealed glass bottle containing an organic solvent is dropped and breaks, pieces of glass may be propelled outwards because of build-up pressure that forms in the bottle. explain which is more dangerous a liquid pentane or liquid decane
Calculate the [SCN-] solution A, where 5.7 mL of 2.910?3 M NaSCN is diluted to 44.0 mL with 0.1 M Fe(NO3)3. Next calculate the [FeSCN2+] in the solutions prepared by diluting volumes of solution A with 0.1 M Fe(NO3)3 to a final volume of 1.0101 mL..
The measured cell voltage is 0.0841 V and the Pt | H2 | H+ half-cell is the cathode. Standard reduction potentials are given on the next page. (a) Draw a diagram of the electrochemical cell, labeling all electrodes and solutions. (b) What is the p..
In a gas mixture, the partial pressures are argon 455 , neon 85 , and nitrogen 135 .What is the total pressure exerted by the gas mixture?
Phosphorous pentachloride forms from phosphorus trichloride and chlorine: PCl3(g)+Cl2(g)->PCl5(g) given: ?Ssys=-170.2J/K, ?Ssurr=295.0J/K, ?Stotal=124.8J/K, reaction is spontaneous under standard-state conditions at 25
Addition of NH3 precipitated Fe2O3*xH2O, which was ignited to give 0.264g of Fe2O3 (FM 159.69). What is the average mass of Fe2SO4*7H2O (FM 278.01) in each tablet?
multiple choice questions in nuclear chemistry.1.as the temperature of a sample of a radioactive element decreases the
a solution of a and b with 30 mole percent of a is in equilibrium with its vapour which contains60 mole percent of a.
What is the density of a block of marble that occupies 251cm^3 and has a mass of 623g?" answer in units g/cm^3
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