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With two dice, each numbered 1-6, there are two possible ways to roll a 3: Thus, for the outcome of 3 (a particular macrostate) there are 2 microstates. How many possible ways are there to roll a 6?
A 1.0-L buffer solution is 0.105M in HNO 2 and 0.145M in NaNO 2. Determine the concentrations of HNO 2 and NaNO 2 after addition of 1.4g NaOH.
On the obtained mass-spectra you got in the expected parent-ion mass region two adjacent lines with almost the same abundance
Explain the hybridization of carbon in C2H2 using electron configuration diagrams of the original atoms, excited staes
Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 270.00 pm.
what is atmospheric pressure in atmospheres in denver for heat of fusion40.6kjmol at 95 degee
The balanced net ionic equation for the neutralization reaction involving equal molar amounts of HCl and CH3CH2NH2 is
A backpacker wants to carry enough fuel to heat 2.7 of water from 30 to 100.0 . If the fuel he carries produces 36 of heat per gram when it burns, how much fuel should he carry? (For the sake of simplicity, assume that the transfer of heat is 100 ..
The activation energy for the reaction NO 2 (g)+CO 2 (g)?NO(g)+CO(g) is E a = 100kJ/mol and the change in enthalpy for the reaction is ΔH = -200kJ/mol. What is the activation energy for the reverse reaction?
A new global sustainable business and industry incubator network is expanding into a Paris suburb. They want to make the newly acquired building and operations more environmentally friendly.
The charges and sizes of the ions in an ionic compound affect the strength of the electrostatic attraction holding that compound together. Based on ion charges and relative ion sizes, rank these ionic compounds
An optically activated alkyne A(C10H14)can be catalytically hydrogenated to butylcyclohexane. Treatment of A with C2H5MgBr liberates no gas.
what is the concentration of oxygen in air-saturated water at 25 degrees C and .85 atm? Assume that the mole fraction XO2 is .209 and Henry's law constant for oxygen
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