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Problem- Estimate the weight load on a roof on lbs/ft^2 for 60 inches of snow. Assume that 10 inches of snow is equivalent to 1 inch of liquid water if melted. Liquid water is 62.4 pounds/cu-foot (lbs/ft^2)
How do I yet start setting this up? Thank you
An aqueous solution is 22.0% by mass silver nitrate, AgNO3, and has a density of 1.22 g/mL. What is the molarity of silver nitrate in the solution?
Give the expected ground-state electron configurations for atoms with the following atomic numbers. Z=55
what is the slope of an arrhenius plot for the following reaction?2nocl ----gt 2no cl2temperature k k lmolbulls400 6.6
A piece of metal ore weighs 8.25 g. When a student places it into a container of water, the liquid level rises from 21.25 mL to 26.47 mL. What is the density of the ore?
What is the pH of a 2:1 mixture of H2PO4- to HPO42- at 0.005 M ionic strength. (See the table for the activity coefficients.)
treatment of 1.385 g of an unknown metal m with an excess of aqueous hcl evolved a gas that was found to have a volume
Problem- Calculate the amount of heat (in kJ) required to vaporize 2.41kg of water at its boiling point. (Hvap=40.7 kJ/mol at 100C)
Question- Amino acids can be synthesized by reductive amination. Draw the structure of the organic compound that you would use to synthesize isoleucine. Draw the molecule with ionizable groups in their unchanged form. Do not consider sterochemistr..
Suppose 1-chlorobutane were halogenated with bromine atoms instead of chlorine atoms. What effect would that have on the relative yields of the four bromochlorobutanes compared to the dichlorobutanes you determined
Explain, mechanistically, why the observed result of the bromination of trans-stilbene is anti addition of bromine, as opposed to syn addition
If methanol were used rather than water in measuring the density of the irregular objects, how would that have affected the result. explain
Write a balanced chemical equation for the reaction of gaseous nitrogen dioxide with hydrogen gas to form gaseous ammonia and liquid water
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