What is the molecular formula for toluene
The circle in the toluene ring is a representation of the composite of two resonance structures. Draw each resonance structure for toluene showing all its H's. What is the molecular formula for toluene?
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Calculate the radius of the sphere that encloses a 50% probability of finding a hydrogen 1s electron. Repeat the calculation for a 90% probability.
How many grams of ice would be melted by the energy obtained as 23.4 g of steam is condensed at 100oC and cooled to 0oC?
Determine the average velocity of the water in the pipe and the Reynolds number. The pressure gradient along the pipe and the total pressure drop over its full length.
Calculate the change in internal energy when 1 g-mole of nitrogen is expanded from a density of 0.23 g/cm^3 to 0.02 g/cm^3 at 220 K. Express your answer in calories.
Why is normal phase chromatography ideal for separating the components (chlorophyll a, b, and carotene) in a petroleum ether spinach extract? (why not reverse phase?)
(a) Find the total electric potential at the origin. (b) Find the total electric potential at the point having coordinates (1.50 cm, 0).
The products exit at 600C with a carbon monoxideconversion of 75%. Determine the total amount of heat added to (or removed from) the reactor per 1,000 kg of H2 produced.
Birthweights at a local hospital have a normal distribution with a mean of 110 oz. and a standard deviation of 15 oz. What percentage of infants have birthweights between 125 oz and 140 oz?
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Multiple Select Question Select all that apply Identify the exceptions to the requirement to provide treatment to newborns.
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