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Question- A 6.00 % (m/v) NaCl solution contains 16.2g of NaCl . What is the total volume (V ) of the solution in milliliters
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caffeine is a stimulant found in coffee and tea . a solution of caffeine in chloroform as a solvent has a concentration
Write a mechanism for the reaction. Include arrows to show electron flow. Number and write out each step individually.
Problem- Balance the reaction between acetylacetone and aluminum (III) nitrate nonahydrate. I know nitric acid is liberated in the reaction and ammonia is used to neutralize it
The temperature of a gas in a sealed container changes from 20.0 oC to 40.0 oC. If the volume remains constant, the pressure will change from 740 mm Hg to
how many grams of sodium oxide will be formed if 46 grams of sodium are used in the reaction. 4Na + O2 yields 2Na2O
Determine the Kelvin temperature required for 0.0470mol of gas to fill a balloon to 1.20L under 0.988atm pressure.
The quantum yield for CO production in the photolysis of gaseous acetone is unity for wavelengths between 250 and 320 nanometers. After 20 minutes of irradiation at 313 nm, 18.4 cm cubed of CO
C2H4 is emitted by fruits and is responsible for their ripening. Explain why a bunch of bananas ripen faster when placed in a paper bag.
The cobalt(II) ion, Co^(2+), is especially responsive to magnetic fields, more so that Co^(1+) and Co^(3+). Why
The initial rates at various substrate concentrations for an enzyme-catalyzed reaction are as follows. [S]/M.............Vo/10^-6 M/min 2.5x10^-5.......38.0 4x10^-5.........53.4 6x10^-5.........68.6 8x10^-5.........80.0 16x10^-5.......106.8 20x10^..
Fluorine reacts with oxygen to yield oxygen difluoride. 2 F2(g) + O2(g) 2 OF2(g) What is the value of K if the following concentrations are found at equilibrium: [O2] = 0.200 mol/L, [F2] = 0.0100 mol/L, and [OF2] = 0.0633 mol/L.
The anticancer drug methotrexate inhibits nucleotide synthesis. Which of the subsequent explains why it also inhibits the synthesis of histidine and methionine
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