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Compute the average drift velocity of conduction electrons in a copper wire of cross section 107 m2 carrying a current of 1A. Presume each copper atom contributes one conduction electron. Specified the density of copper = 9*10^3 kg/m^3 and atomic mass = 63.5
The student uses 19.5 mL of 0.535 M NaOH to titrate the solution. Calculate the moles of acid neutralized per grams of tablet.
The acid dissociation constants of sulfurous acid ( H2SO3) are K a1= 1.7 x10^-2 and K a2= 6.4 x10^-8 at 25.0 degrees C. Calculate the pH of a 0.163 M aqueous solution of solution of sulfurous acid.
which of the following is NOT a vitamin that is used by cells to produce a cofactor requires by alpa-ketogluterate dehydrogenase
for the decomposition of 2-propanol to form propanone andhydrogench32choh g lt---gt ch32co g h2gthe equilibrium
Calculate [Ag+] when a precipitate first appears and identify the precipitate. The Ksp values for AgCl(s) and Ag2CrO4(s) are 1.8×10?10 and 1.1×10?12, respectively. (b) Calculate [Cl? ] and [CrO42? ]
Concentration of glucose complex form stock? Set of standard solns was prepared by taking a known volume of a stock glucose soln, containg 1.000 g glucose dissolved in 100 mL of distilled water
applying quantum mechanics to a large molecule sayhexamethylchicken wire begins with building thehamiltonian. the
What are the normal boiling points of cyclohexane and toluene. Without looking up the actual value, which has a higher vapor pressure
a cylinder with a moveable piston contains 0.76 of gas and has a volume of 330 .what will its volume be if an
calculate the volume of h2og at 22.0 degrees celsius and 745 mm hg you use if you begin with 350g of cogfor the
Write the balanced reaction for the complete combustion f octane (C8H18) and then determine how many moles of oxygen it would require to burn 240.00 moles of octane? 2 350.00 grams of octane?
Answer the questions below with the data provided: 15 mL of 5% NaOH (w/v) is used to deprotonate the unknown carboxylic acid. The TBME is washed with an additional 10 mL of the NaOH solution and then 20 mL of water which are all combined.
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