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The results of either of the two preceding Qs can also be applied to the vibrational motions of gas molecules. Looking only at the vibrational contribution to the heat capacity graph for H2 shown in Figure, estimate the value of t for the vibrational motion of an H2 molecule.
When a piece of metal is irradiated with UV radiation (wavelength = 162 nm), electrons are ejected with a kinetic energy of 5.96*10^-19 J. What is the work function of the metal? (in joules)
Draw both chair conformations of the following structure, and LABEL which one is more stable. draw the two possible chairs: draw one then the chair flip
Calculate the mass of nitrogen dissolved at room temperature in an 84.0 home aquarium. Assume a total pressure of 1.0 and a mole fraction for nitrogen of 0.78.
If the heat of combustion for a specific compound is -1100.0 kJ/mol and its molar mass is 75.49 g/mol, how many grams of this compound must you burn to release 390.70 kJ of heat
how efficient is the extraction of tea leaves containing tra1.0g of caffeine with two 30-ml portions of chloroform over
What mass of silver is needed to absorb 50.0 cal of heat if the tempature of the sample rises from 24 c to 36.4 c Specific heat of silver
Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 9.30 MJ of energy (in the form of heat) if the temperature of the sodium
Which graduated cylinder would have the greatest volume change if equal masses of Au and Pt are transferred to equal volumes of H2O in separate graduated cylinders? Density of gold = 19.31 g/cm3 , density of platinum =21.43 g/cm3
What is the maximum number of electrons that can populate a given orbital there (b) Write the electronic configuration of the element with atomic number 8 in the periodic table. Formatting: superscript numbers where appropriate but omit parenthese..
Match the detector or detectors that can be used in gas chromatography for the detection of the following list of analytes. (More than one detector may be appropriate for a given analyte, and a given detector may be appropriate for more than one g..
If Ka is 1.85 x 10^-5 for acetic acid, calculate the pH at one half the equivalence point and at the equivalence point for a titration of 50 mL of 0.100 M acetic acid with 0.100 M NaOH.
What mass of NaOH is needed to precipitate the Cd2+ ions from 48.0 mL of 0.500 M Cd(NO3)2 solution?
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