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Explain how do you determine the overall ability of an enzyme? Explain what determines the overall activity of an enzyme?
When 0.564g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 25.3C to 29.8.C Find Delta Erxn for the combustion of biphenyl in kJ/mol biphenyl. The heat capacity of the bomb calorimeter, determined in a s..
Draw the Lewis dot structure of ethanol. Estimate the bond angles and the hybrid orbitals found for each carbon and for the oxygen.
The Tl in a 9.76 g sample of rodenticide was oxidized to the trivalent state and treated with an unmeasured excess of Mg/EDTA solution. The reaction is Tl3+ +MgY2-> TlY- + Mg2+
If (initially) 0.22 mol of Br2 and 0.22 mol Cl2 are introduced into a 1.0 L container at 400. K, what will be the equilibrium concentration of BrCl? Assume the initial product concentration is zero.
a pitcher throws a fast ball at 143 kmh toward home plate which is 18.2 m away. neglecting air resistance not a good
There are three isomeric dichlorocyclopropanes. Their 1H NMR spectra show one signal for isomer 1, two signals for isomer 2, and three signals for isomer
Atoms and molecules consist of electrons and nuclei. When no bonds exist between atoms, electrons are on discrete energy levels called orbitals: those levels where electrons reside at zero degree Kelvin are called ground states
An aqueous solution of NaCl has a mole fraction of 0.30. What is the mass of NaCl dissolved in 185.9 mL of solution
Explain how you known. Use Lewis dot drawings as part of your explanation. Ag+ + 2NH3 --> [Ag(NH3)2]+
Suppose A 5.0mL sample of vinegar was titrated with 7.2mL of 0.55 M NaOH(aq). If the density of the vinegar solution is .00 g/mL, explain what is the mass percent of acetic acid present
the power delivered to a photodetector that collects 8.0*10^7 photons in 3.8 ms from monochromatic light is 0.72 microwatt. what is the frequency of the radiation
what is the formula for the ionic compounds formed by magnesium ions and calcium ions with nitrate ions?
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