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Assume a sample of solid hydrogen is held under an external pressure of 0.030 atm and heated from the 5 to 300K. Discuss what phase changes, if any, will occur?
The incident sunlight at ground level has a power density of 1.2 k W/m2 at noon in July in Los Angeles. A swimming pool of area 50m2 is directly exposed to the sun. Determine the max
An area of the rectangle is product of it length and width, and equals 1062. If lengh is 5 more than 3 times width, determine width of rectangle.
Determine the volumes of each of the following different acid solutions: 1.50 M HCL, 1.50 M HNO3, 1.5 M H2SO4 and describe the masses of NH4Cl, NH4NO3, (NH4)2SO4
Determine the numbers of singly-occupied orbital's are there in the valence shells of the following elements in their ground states according to Hund's rule of maximum spin multiplicity? Enter your
During pH of salt solution lab, discuss why the pH reading you are observing would be affected when the solutions are in contact with the air or when saturated with the air? Include chemical equati
Assume that it cost $100 to manufacture 50 pairs of mittes and $150 to manufacture 150 pairs of mittens. Write the quadratic cost equation. If there is no overhead [that is, if f(0)=0]
Estimate the total number of moles of sodium contained in the 3.6 g of sodium chloride and 5.6 g of sodium sulfate. How can enter the answers in scientific notation of the form 2.1E2?
Calculate the smallest number of ice cubes at 0oC, each containing one mole of water, initially at 20oC to 0oC necessary to cool the 500g of liquid water?
Determine the numbers of possible constitutional isomers can be produced from monochlorination of (S)-3-methylhexane using the Cl2/light?
Suppose you have forgotten to add the boiling tones to your round bottomed distillation flask but the distillation is now in the progress. What should you do?
Determine the numbers of regions of high electron density does bromine pent fluoride have around the central atom? Discuss in details.
What is the molarity of the KOH solution if 175 ml of KOH of unknown concentration with a methyl red indicator present is titrated with the 0.275 M]H3PO4, the yellow solution turns red after
Determine the free pCa in the 100 mL of solution of 0.100 MCa2+ at pH = 10 after adding the 100 mL of 0.100 M EDTA ; Conditional formation constant Kf' = 1.75 X1010 ; pCa = -log [Ca2+].
Assume that instead of linear growth, town experiences quadratic growth in form P=8t2+P0 where t is time in years from 2010.
What is this product and why does it form preferentially to 2-butyne when this synthetic sequence is performed starting with the 2-butene rather than stilbene, another product other than 2-butyneis
A sample which is having 2.05g of an iron-aluminum alloy (ferroaluminum) is dissolved in excess the HCL (aq) to form the 0.105g H2(g).Determine the percent composition, by mass of the ferroaluminim?
A sample which is having 34,44g of a metal is heated to 98.6 C? In a hot water bath until thermal equilibrium is reached. At 22.2 C the metal sample is quickly transferred to 50.00 mL of water?
A sample which is having 44.0 g of an unknown metal at 99.0 Celsius was placed in a constant pressure calorimeter having the 80.0 gram of water at 24.0 Celsius. The final temperature of the
C2, B2(diatomic boron) and, N2 the energies are 289, 962, 619 Kilojoules/mol (not in any order) the lengths are 109,158,130 pm( picometers ) Determine the bond length and bond order and the bond en
CH3OH is used as an alternate fuel. It is burned with the 200 percent of theoretical air. Discuss how much water is condensed per kilogram per fuel when the products of combustion are cooled to 100
Assume c is directly proportional to square of d. If c=45 when d=3, determine constant of proportionality and write formula to determine c when d=5.
Calculate the molecular mass of a gas that diffuses through a porous membrane which is having 1.859 times faster than the Xe? What might the gas be?
Determine the numbers of grams of Cu(OH)2 will precipitate when the excess KOH solution is added to the 77.0 mL of 0.620 M Cu(NO3)2 solution?
100 mL of 0.100 M Fe2+ was titrated with the 0.100 MCe4+ in 1.00 M HClO4 . Formal potentials for Ce4+/Ce3+ and Fe3+/Fe2+ are equal to standard potentials, and are 1.61 V and 0.771