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For 1.000 kg of CH4, Compute the change in entropy when the temperature is raised from 300 K to 1000 K at 101 kPa. Over this temperature range, Cp = 14.15 + 75.5x10-3T - 180x10-7T2, where Cp is in units of J K-1 mol-1
A 24.60 mL sample of 0.185 M HNO3 requires 27.35 mL of a KOH solution for complete neutralization in an acid-base titration. What is the molarity of KOH
a mixture of 75mole propane and 25mole hydrogen is burned with 25 excess air. fractional conversions of 90 of the
Compute the final temperature of the solution assuming no heat lost to the surroundings .the solution has a specific heat capacity =4.18 J/°C·?
Calculate the expected pH of the buffer after the addition of 1.0 mL of 1 M HCl. Remember that you are using 50 ml of the buffer so be sure to calculate the number of moles of acetic acid
For the following battery: Cd(s) | CdCl2(aq) || Cl-(aq) | Cl2(l) | C(s) Write the reduction half-reaction occuring at the C(s) electrode. (Include physical states of reactants and products.) From which electrode will electrons flow from the batter..
When 1.43g of the hydrocarbon is burned, 2.39 grams of water and 4.40 grams of carbon dioxide is collected. Determine the empirical formula of the hydrocarbon. Name the hydrocarbon.
Table salt contains 39.99g of sodium per 100 g of salt. The US FDA recommends that adults consume less than 2.40 g of sodium per day. A particular snack mix contains 1.20 g of salt per 100g of the mix. What mass of the snack can you consume and st..
an unknown element has two naturally occurring isotopes. isotope 1 has a mass of 107.0 amu and an abundance of 55.9.
Barium chloride + sodium carbonate --> a) balanced formula equation b) complete ionic equation c) net ionic equation
Radio wave radiation falls in the wavelength region of 10.0 to 1.00E+3 meters. What is the frequency of Radio wave radiation that has a wavelength of 426 m.
when 0.78 g of an unknown gas in contained solely in a 560 ml container the pressure is 780 torr at 5 degrees celcius.
3nahco3aq h3c6h5o7aq rarr 3co2g 3h2ol na3c6h5o7aqhow many moles of na3c6h5o7 can be produced if one tablet
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