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A quantity of CO gas occupies a volume of 0.67 L at 1.0 atm and 290 K. The pressure of the gas is lowered and its temperature is raised until its volume is 3.6 L.
Find the density of the CO under the new conditions.
What is the specific activity (in Bq/g) if 3.76 kg of an isotope emits 3.77 * 10^7 beta- particles per minute
In a solution of dopamine, the density is 1.039 g/mL, experiments show that there is 1.39 mmol dopamine. How many grams of dopamine in the sample. The chemical formula of dopamine is C8H11NO2.
when 9 drops of 0.014 m na2co3aq are added to 25 ml of 0.003 magno3aq. find the qspnbsp if the solubility product of
What NaCl concentration results when 289 mL of a 0.880 M NaCl solution is mixed with 647 mL of a 0.210 M NaCl solution?
Show how you can separate a racemic mixture of R,S-lactic acid in its pure enantiomers using a chiral amine of choice. Draw the reactions using structural formulas and describe the process
As NaOH is added to the column, the pH of the effluent is monitored carefully. After 2 mL of 0.4 M NaOH has been added, the effluent pH changes dramatically. Estimate the total column capacity in milliequivalents from this information.
What is the minimum kinetic energy (in J). What wavelength (in m) is associated with electrons of this energy
Explain what is the fraction of association (α) for the subsequent potassium propionate solutions. Ignore activities. The Ka of propanoic acid is 1.34 × 10-5.
A buffer solution is made by adding 5.05 g of KOH (56.1 g/mol) to 500.0 mL of 0.400 M benzoic acid, HC7H5O2 (Ka = 6.6×10^-5). Calculate the pH of the solution that results when 100.0 mL of 0.150 M HCl is added to the above buffer (total volume is 6..
Problem- Given the balanced equation, below, if the rate at which hydrogen is reacting is 0.074 M/s what is the rate at which ammonia is being formed
Which best describes a solid?
The feldspar sanidine KSi3AlO8 is found in quickly cooled volcanic (extrusive) rocks whereas microcline is found in slowly cooled intrusive rocks such as granites
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