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A protein contains 5 cysteine residues what is the minimum number of intracellular disulfide bonds created?
the value of which concentration unit for a solution changes with temperature a. molarity b. molality c. mole fraction
Assuming that a neutron star has the same density as a neutron (4.0 x 10^14 g/cm3), calculate the mass (in kg) of a small piece of a neutron star the size of a spherical pebble with a radius of 0.20 mm.
The combustion of oxalic acid in a bomb calorimeter yields 2816 J/g at 25 degrees Celsius. Calculate (a) ΔcU and (b) ΔcH for the combustion of 1 mole of oxalic acid (M = 90.0 g/mol)
What is the area of the circuit element in cm^2? Write your answer in scientific notation. Round your answer to 3significant digits.
Question- If you have a mass percent of 28 of HCL solution how do you find the density of solution at 20.0C and at 40.0C
Explain what volume (in mL) of silver nitrate solution, containing 0.100 mol of AgNO3 per liter, is needed to precipitate the bromide from 0.770g of barium bromide (BaBr2)
Problem- A 500 mg die A 500mg dietary supplement of L-lysine (an amino acid, 146.2 g/mol) required 68.4 mL of 0.100 M NaOH to reach the end point. How many protons were removed for each L-lysine molecule in this titration
If a random sample of this element collected from the tail of a comet has an weighted average atomic mass of 10.788 amu, what is the percent abundance of the lower-mass isotope?
in organic chemistry a functional group is an atom or group of atoms that determines the compounds characteristics.nbsp
Draw the structural formula of 3,4-diethyl-3-hexene. If more than one isomer of this compound exists, then both isomers must be drawn
silver has two naturally occurring isotopes. find the percent abundances of 107ag and 109ag given the atomic mass of
A copper cathode with an initial mass of 10.77 g is placed in a solution of CuSO4. After current has passed through the electrode for 15.0 minutes the cathode has a mass of 12.89 grams. Determine the amount charge (in Coulombs) that has passed thr..
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