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Imagine a person accidentally swallows a drop of liquid oxygen, which has a density of 1.149 g/mL. Assuming the liquid drop has a volume of .075mL, calculate the volume that would be produced when the liquid vaporizes in the person's stomach at 37 degrees C and 1.00 atm
The following molecules (ax4y2) all have an octahedral geometry. Select the pairs that contain identical molecules
Draw the two possible products of the reaction between benzaldehyde and ethylpropylketone
Analysis of an unknown substance showed that it has high boiling point and is brittle. It is an insulator as a solid but conducts electricity when melted, which of the following substances would have those characterisitics
Calculate the temperature change in the water upon complete melting of the ice. Hint: Determine how much heat is absorbed by the melting ice and then use q =mC Delta T to calculate the temperature change of the 304 g of water.
When 280. mL of 1.50× 10-4 M hydrochloric acid is added to 125 mL of 1.75 × 10-4 M Mg(OH)2, the resulting solution will be
Calculate the pH of a buffer solution made by mixing 34.2 g of sodium acetate into 1 L of a 0.09 M solution of acetic acid. Give the pH to two decimal places.
Important information about Conceptual Organic chemistry and What chemical tests might be used to distinguish between pentanal and 2- pentanone; between benzyl alcohol and diphenylmethanol?
triethylene glycol and heavy mineral oil are both high boiling, and high molecule solvents. What in their structural properties renders triethylene glycol
A single pulse of a laser yields an average of 5.00 multiplied by 1018 photons with = 633 nm. If melting ice to water at 0°C requires 6.01 kJ/mol, what is the fewest number of laser pulses need to melt 10.0 g of ice?
An organic substance has an enthalpy of vaporization of 29.0 kJ/mol. The compound has a vapor pressure of 524 mm Hg at 25 °C. At what temperature is the vapor pressure equal to 115 mm Hg?
A solution is made by mixing equal masses of methanol, CH4O, and ethanol, C2H6O. Determine the mole fraction of each component
The following five beakers, each containing a solution of sodium chloride (, also known as table salt), were found on a lab shelf
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