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Calculate the standard enthalpy of formation of carbon disulfide (CS2) from its elements, given the following data.
C(graphite) + O2(g) CO2(g) ΔH°rxn = -393.5 kJ/molS(rhombic) + O2(g) SO2(g) ΔH°rxn = -296.4 kJ/molCS2(l) + 3 O2(g) CO2(g) + 2 SO2(g) ΔH°rxn = -1073.6 kJ/mo
What type of electromagnetic spectrum is this radiation? microwave ultraviolet infrared x-ray (b) If the detector is capturing 8. 107 photons per second at this wavelength, what is the total energy of the photons detected in one hour? 8.20e12 J/hr
Select the IR frequency and number of NMR signals that is diagnostic for either isomer a or isomer b. Isomer A: cyclopentanecarboxamide Isomer B: 6-hydroxyhexanenitrile
If specific amount of carbon reacts with 1.00 g, 1.50 g, and 2.00 g of Hydrogen to form compounds of A, B, and C respectively,
The enthalpy for combustion of benzene (C6H6) is -3270 KJ/mole. How much heat is release on the combustion
Calculate the heat released when 2.57 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and 1 atm to form sodium chloride.
An unknown gas that occupies 1.00 L at a pressure of 534 torr and a temperature of 295.7 K weighs 0.9847 g. What is the molecular mass of this gas
A solution is prepared by mixing 78.0 mL of 5.00 M HCl and 35.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+ ], [OH - ], and the pH for this solution.
Imagine that you have a 6.00L gas tank and a 3.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
What is delta G for this reaction at 298 K when the partial pressures are PC2H6 0.15 atm, PH2 0.15 atm, and PCH4 0.75, What is the delta G in kJ/mol?
At what ph would you carry out an electrophoresis experiement if you wanted to seperate a mixture of lysine
Use Le Chatelier's Principle and the weak acid dissociation equilibrium to explain how the addition of NaOH will completely neutralize an unknown weak acid at the equivalence point in a titration. Consider that hydroxide ion reacts directly with H..
A voltaic cell is based on the reaction Sn + I2 = Sn2+ + 2I-.
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