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What is the lewis structure for NBr3? How many electron pairs in the central atom of NBr3? How many bonding electrons pairs of the central atom of NBr3? How many non-bonding pairs of the central atom of NBr3? What is the molecular geometry of NBr3?
10 mL of 0.1 M NaOH is added to 50 mL of 0.1 M of the hypothetical acid HA. write the chemical equation and calculate the molarity of NaA and HA in the final solution.
A solution contains a mixture of cl- and br- ions . can both be positively identified? write appropriate equations to support your
the compund TNT decomposes explosively into carbon, carbon monoxide, hydrogen,and nitrogen. what volume of hydrogen and nitrogen are produced if 5.8 L of CO is produced?
Calculate the concentration given the absorbance. Each test tube has 5ml of water then a certain amount of bromol blue. 1 ul bromol blue absorbs at= 0.092, 2 ul=0.105, 4ul=0.093, 10=0.199, 20= .225, 30= 0.592, 50=0.957, 100= 1.717.
What is the reciprocal of the linear dispersion. Could the two emission lines of hydrogen, 656.28 nm and 656.10 nm be resolved to the base line with a slit width of 0.010mm. Note that the blaze angle is given in wavelength. Using the balze angle f..
When she introduced 0.177 moles of NOBr(g) into a 1.00 Liter container, she found the equilibrium concentration of Br2(g) to be 1.76E-2 M. Calculate the equilibrium constant, Kc, she obtained for this reaction. Kc =
The initial state of a gas is pressure =0.80, temperature =45 degree celcuis, volume=1.4 liters. The conditions were changed to pressure=0.76atm, volume=1.4liters, the new temperature is
calcualte the precentage error that would result from the use of the ideal gas equation of state for the calculation.
a mole of atoms ions molecules or anything else contains avogadros number 6.022 x 1023 of these units. a mole of
Derive the rate law, and show that this reaction may follow the first-order equation at high pressures and the second-order equation at low pressures.
Gold has a density of 19.3 g/cm3. How many pounds does a gold sphere weigh if it has a diameter of 5.20 inches?
Draw the expected titration curve for the titration of methylamine (a weak base) with hydrochloric acid? What would be the nature of the salt produced at equivalence point of this titration?
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