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Since the blades of ice skates are very thin, the pressure exerted by a skater can be quite large. Referring to the phase diagrams for carbon dioxide and water, explain whether a rink can be constructed using dry ice (solid carbon dioxide).
Calculate the ?H value for an isobaric (constant pressure) change of steam from 120 psia and 500 oF to saturated liquid.
how many moles of oxygen are combined with 4.20 moles of chlorine atoms in
the density of milk is 1.04 g/ml, how many milligrams of milk are in 0.50 qt of milk? (1L=1.057 qt, 1000g=1Kg, 1000ml=1L, 1000mg=1g)
A molecular compound contains 92.3% carbon and 7.7% hydrogen by weight. If 0.152 mol of the compound weighs 3.95 g, what is its molecular formula?
Complete the ground-state electron configuration for these ions (using the noble gas abbreviation) and identify the charge. we need to find the electron configuration and the charge for Zinc ion thallium(lll) ion
Consider the chemical bonds found in the white solid, potassium hydrogen phosphate, K2HPO4. For each bond specified, choose the best description from the list of types below.
The first order reaction SO2CL2 yields SO2+ Cl2 is 10% complete in 80 min. How long would it take for the reaction to be 95% complete?
Write the structural formula and other name of a) 2-bromo-3,3-dimethylhexane b) 3,3-dimethyl-1-heptyne
What is the final temperature, (in oC), after a 26.0 gram piece of ice at 0oC is placed into a styrofoam cup with 119.0 grams of water initially at 79.0oC? Assume no loss or gain of heat from the surroundings.
solution of potassium permanganate has a percent transmittance of 27.3% when measured in a 1.15-cm cell at a wavelength of 525 nm. Calculate the absorbance of this solution.
write the skeleton equation representing the heating of magnesium carbonate to produce solid mangnesium oxide and carbon dioxide gas.
Given the following boiling point data, which one of the liquids would you expect to have the HIGHEST vapor pressure at room temperature
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