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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)
Give your answer with short explanation
Identify all of the spectator ions in the precipitation reaction below. Ca^2+ (aq) + 2Br^-(aq) + 2Li^+ (aq) + CO3^2- (aq) arrow to CaCO3 (s) + 2Li^+ (aq) + 2Br^- (aq)
a 14.0 g sample of iron was heated from 10.0C to 20.0C it absorbed 15.2 of energy as heat based on this data what is the specific heat of this piece of iron?
If the final concentration of CN- is 0.5 M at equilibrium, what is the equilibrium concentration of uncomplexed Fe3+ ions The Kr of Fe(CN)6 3- is 1.0 x 10^42
Problem- Calculate the standard potential of the cell consisting of the Wn / Zn2+ half-cell and the SHE. What will the emf of the call be if : Zn2+ = 0.22 M , PH2 = 1.2 atm and H+ = 1.7 M
What are some methods done by latent fingerprints. What are some advantages and disadvantages to latent fingerprints?
Question- If 4.5 ml of distilled water is added to 3.5 ml of 0.254 M Cocl solution, what is the concentration of the resulting solution
What is the equilibrium concentration of HXY4 ^2- for a 0.15 M solution of the triprotic acid, H3XY4?
During steel formation, why do the following reactions cause the temperature in the converter to increase?
Calculate the volume (L) of gas present if the temperature and pressure are changed to standard temperature (0 °C) and pressure (1.00 atm).
which of the following reactions are redox reactions? for those reactions that are redox reactions identify the
consider the following reactions and the associated rate laws. Which reaction represents an elementary step
When solid ammonium chloride, NH4Cl, is added to excess water, a solution forms and the temperature of the system decreases. In a certain experiment, 0.10 mole of NH4Cl is added to a liter of water in an open glass beaker at 298 K
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