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Calculate the pH of 0.3 mol/L of CaCl2 solution? the answer is supposed to be 7
What is the theoretical yield (in mol) of carbon monoxide when 2.62 mol oxygen reacts with 2.08 mol of ethanol (CH3CH2OH) to produce carbon monoxide and water
a mole of an ideal gas cvm 1.5 r 1 atm initially is heated from 25 degrees to 100 degrees celsius.how much heat would
Consider two samples of liquid: one mole of water H2O and one mole of ethanol C2H5OH. The density of water is 1.0 g/mL, and the density of ethanol is 0.785 g/mL. Answer each of the following questions by selecting the correct choice.
The reaction can be catalyzed by a strong acid. A food chemist determines that an increase in temperature from 50 to 60 degrees Celcius increases the initial rate of this reaction by a factor of 2.12
Explain why one mole of potassium nitrate in a liter of water has a higher melting point than one mole of aluminum nitrate in a liter of
(a). What is the trend in electronegativity going from left to right in a row of the periodic table? (b) How do electronegativity values generally vary going down a column in the periodic table?
What is the vapor pressure of a solution prepared by dissolving 51.0 g of C6H12O6 (a nonvolatile solute) in 120 g of water? (Assume the solution is ideal.)
What is the yield of ATP when Fructose-1,6-bisphosphate is completely oxidized to CO2 in mammalian cell? Assume that glycolysis, TCA, and oxidative phosphorylation are fully active.
What are the relative percentage of HCN and cyanide ion in a dilute aqueous solution at pH+9.2/ At pH=10.2
Question- Chemists commonly use a rule of thumb that an increase of 10 K in temperature doubles the rate of a reaction. What must the activation energy be for this statement to be true for a temperature increase from 18°C to 28°C
compare alkalide ion with the neutral alkali atom.under appropriate conditions alkali metals a can be reduced to yield
The analysis of a coal from Pennsylvania is reported as follows (wt. %)
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