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The "Chemistry Put to Work" box on pipelines in Section 10.5 mentions that the total deliverability of natural gas (methane, CH4) to the various regions of the United States is on the order of 2.7 X 1012 L per day, measured at STP. Calculate the total enthalpy change for combustion of this quantity of methane. (Note: Less than this amount of methane is actually combusted daily. Some of the delivered gas is passed through to other regions.)
Determine the new temperature and express your answer in degrees celsius,?
Determine the molarity of the NaOH(sodium hydroxide) solution. In an acid-base titration, 22.13 mL of a sodium hydroxide solution are required to neutralize 24.65 mL of the potassium hydrogen phthalate solution?
Carbohydrates, lipids, and proteins! Take a look around your home. Describe an example of a carbohydrate, lipid, and/or protein found in your home.
Determined to be first order with respect to N2O5
what is the standard free energy change for thisreaction? Substance ?G°f (kJ/mol) CH3CH2OH(l) - 174.9 O2(g) 0 CO2(g) -394.4 H2O(g) -228.6 Express the free energy change inkilojoules using five significant figures. ?G° = ? kJ
Question- Complete the reaction by writing the formulas of the products, and indicate whether the products or reactants are favored. The Ka of CH3COOH (acetic acid) is 1.8 × 10^-5 The Ka of the conjugate acid in this reaction is 5.6 × 10^-10
A compound contains only carbon, hydrogen, and oxygen. Combustion of 51.34 g of the compound yields 75.26 g of CO2 and 30.81 g of H2O. The molar mass of the compound is 90.078 g/mol.
what is the mass of hydrogen gas released from 2.70 g of aluminum metal and hydrochloric acid?2 als 6 hclaq 2 alcl3aq
Niobium (Nb) has a BCC cubic crystal structure, and an atomic radius of 0.144 nm. a) Calculate the edge length (d) of a niobium unit cell:
at 25C, delta H for the combustion of liquid octane, to form CO2 solid and H2O liquid is -5471kJ/mol. Calculate delta E for this reaction at 25C.
Determine the equilibrium constant for the system N2O4 2NO2 at 25 degrees C. The concentrations are shown here: [N2O2] = 3.78 x 10^-2 M, [NO2] = 1.41 x 10^-2 M.
What is the equilibrium constant for reaction below at 25 degreesC? (R = 8.314 J/K*mol). MgCO3(s) -->? MgO(s) + CO2(g) given delta G of formation [MgCO3(s)] = -1028.2 kJ/mol, delta G formation [MgO(s)] = -568.8 kJ/mol, and delta G formation [CO2(g..
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