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Find out the quantity of unknown protein that has an absorbance of 0.203 when a blank has an absorbance of 0.090. The previously find out calibration curve has the form of a straight line with the equation A = 0.0182 × x 0.007 where A is the corrected absorbance as well as x is quantity of protein in units of g.
Calculate the de Broglie wavelength in meters of a neon atom with a mass of 3.35 × 10(-26) kg that has a speed of 2.32 × 106 m/s. Express answer in scientific notation.
a sample of ethanol c2h5oh has a mass of 43.8 g.a how many carbon atoms does the sample contain?b how many hydrogen
All of the following substances can function both as bronsted acids and bases except: HPO4 2-, PO4 3-, H2O
(a) How many stereoisomers are possible for 1-methyl-1,2-cyclohexanediol? (b) Name the stereoisomers formed by oxidation of 1-methylcyclohexene with osmium tetroxide. (c) Is the product formed in step (b) optically active
Compute the theoretical yield in grams for the Williamson ether synthesis of phenacetin. (Density of p-phenetidine is 1.065g/mL)
The following system is at equilibrium with [N2O4]= .55M and [NO2]=.25M. If an additional .10 M NO2 is added to the reaction mixture with no change in volume, what will be the new equilibrium concentration of N2O4
calculate the heat transferred, Q when 51.0 ml of 2M NaOH solution and 50.0 ml of 2M HCl are mixed. Assume the final volume of the reaction mixture is 101.0 ml, its density is 104 g mL-1, and its heat capacity is 3.89 J g-1 deg-1
Rearrange the variables in the combined gas law to give an expression for the following: a) T2; b) P2.
How many mL of a 22.5% (v/v) ethanol solution would you need to measure out in order to have 12.5 mL of ethanol? The Molar Mass of ethanol is 46.07g/mol.
The bond distance and dipole moment calculated for the highly reactive gas phase OH molecule are 0.98Ao and 1.78D, respectively. Compute the effective charges on the O and H atoms of the OH molecule (in units of the electronic charges).
Using the ideas regarding the effect of basic anions on salt solubility. Which order is correct for the solubility and the Ksp.
What volume of gaseous chlorine at STP would you need to obtain a 250.0 g sample of gas
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