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Suppose we had mixed 52.37 mL of 1.00 M HI solution with 25.42 mL of 1.00 M KOH solution, and measured a heat of reaction of -1.52 kJ. What is ΔH for this reaction, in kJ? Assume that all solutions have the same density as water (1.00 g/mL).
How many total moles of ions are released when 0.665 mol of Rb2SO4 dissolves completely in water
What is the energy in joules of one photon of microwave radiation with a wavelength 0.122 m - What is the binding energy of an electron in a metal whose threshold frequency for photoelectrons.
Consider the titration of 30.0 ml of 0.030 M NH3 with 0.030 M HCl. Calculate the pH after the following volumes of titrant have been added.
Question- When 1mol of a gas burns at constant pressure, it produces 2430J of heat and does 4kJ of work. Identify Delta E for the process?,IdentifyDelta H for the process ?, Identify q for the process? Identify w for the process.
One mole of H20(g) at 1.00 atm and 100.Celcius occupies a volume of 30.6 L. Explain when one mole of H20(g) is condensed to one mole of H20(l) at 1.00 atm and 100. Celsius 40.66 kJ of heat is released. If the density of H20(l) at this temperature ..
A 0.1276-g sample of monprotic acid (Molar Mass = 1.10x 10^2) was dissolved in a 25.0 mL of water and titrated with .0633 M NaOH after 10. mL of base had been added, the pH was determined to be 5.67. What is the Ka for the acid
Ten moles of ideal gas, in the initial state P1=10atm, T1=300K, are taken round the following cycle- reversible change of state along a straight line path on the P-V diagrm to the state P=1 atm, T=300K,
Give the orbital designation (1s, 2p, 3d, etc) of electrons with the following combination of principal and azimuthal quantum numbers.
what is the enthapy change needed to heat 1 kg of water at 0.4 MPa and 4°C to steam at 150°C and 0.4 MPa? b/ Does a state change from saturated vapor at 230°C to the state 100°C and 0.05 MPa represent an enthalpy increase or decrease?
Write a one page summary about the importance of top management team support for a successful information technology project.
Convert the mass of Na2CO3 to moles, given its molecular weight (MW) of 105.989 g/mole.Convert the mass of NaCl to moles, given its molecular weight (MW) of 58.443 g/mole
Explain the atmospheric pressure in Mexico City is about 580torr. Briefly define the difference between this and the standard atmospheric pressure at the sea level.
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