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Explain what is the pH of 355.0mL of an aqueous solution containing 0.607 g of the strong acid trifluoromethane sulfuric acid(CF3SO3H)?
What happens when the base solution was added to the acid solution but was not stirred while temperature measurements were made
How can you account for the difference between the colors of the benzaldehyde and cyclohexanone? Explain using formulas.
Why does finding a straight line relationship help you to understand the nature of the relationship between transmittance and concentration?
what is the frequency of light needed to eject electrons from a metal is called the threshold frequency nu0. find the
a wooden object from the site of an ancient temple has a carbon-14 activity of 13.0 counts per minute compared with a
it takes 480. joules amount of energy to increase the temperature of 103.1 grams mercury from 20.0degc to 53.5degc.
a solution of ethanol c2h5oh in water is prepared by dissolving 65.8 ml of ethanol density 0.79 gcm3 in enough water
Deduce the numerical value of x in the formula Mo(CO)x. Explain the rationale for your chosen value of x. (Hint: consider electron pairs and bonding opportunities.)
A 29.0-g sample of water at 270. K is mixed with 48.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
The atomic mass in g mol of Fe=55.85, S=32.07 O=16, calculate the number of moles of the negative ions present in 7.45g of iron (III) sulfate.
Calculate the theoretical yield of 1M of potassium chromate (50 ml) and Lead (II) nitrate 1 mol (50ml)
Assume the volume of a person can be modeled by a cylinder that is 4 ft tall. The average denisty of a human is 1g/cm3 and the average density of fat is .918 g/cm3.
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