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Does the temperature of an ideal gas increase, decrease, or stay the same during each of the following?
(a) isothermal expansion(b) expansion at constant pressure(c) adiabatic expansion(d) increase in pressure at constant volume
the hall process for the production of aluminum involves the reaction of aluminum oxide with elemental carbon to give
Two components have boiling points of 130 C and 150 C. Estimate the number of theoretical plates needed to separate these substances in a fractional distillation.
Iron metal is coated wih nickel. Which of metals will undergo corrosion when coating is damaged? Give the scheme of electrochemical corrosion and write equations for the reactions
A block of metal has a width of 3.2 rm cm, a length of 17.1 rm cm, and height of 4.5 cm. Its mass is 1.5 kg. Calculate the density of the metal.
What are the major products of reaction of each of the following with (i) propanal and (ii) propanone. (a) LiAlH4 / THF then acidic workup (b) PhMgBr then acidic workup
Draw the structure of the product(s) of the reaction between (S)-3-methylhexan-2-one and methylmagnesium bromide, followed by acidification. Use wedge and dash bonds to indicate stereochemistry
What is the approximate pH at the equivalence point of a weak acid-strong base titration if 25 mL of aqueous hydrofluoric acid requires
How much of the RNA standard and TE buffer would you add in each well to give the appropriate final concentration with a final volume of 280 µL
In the following conditions calculate the moles of hydrogen and the pressure in each flask where the volume is negligible. Each flask is originally 275K with .455 mols of hydrogen gas and .7atm of pressure. Then one flask is heated to 500K while t..
Calculate the mass (g) of NiS that will dissolve in 1100 mL of 0.169 M NiCl2 solution. The equation represents the solubility process.
the chromic acid test acetone, formaldehyde, propanal, 3-pentanone, acetophenone, and benzaldehyde
Calculate the pH at the equivalence point in titrating 0.110 M solutions of each of the following with 8.0×10-2 M NaOH.
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