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The formula C6H12O6 is a source of many conversion factors. Write at least three of them. How many moles of Al atoms are needed to combine with 0.565 mol of O atoms to make aluminum oxide, Al2O3?
A solution of a dye in a 0.80 cm cuvette of concentration 1.25 x 10^-3 M had an absorbance of 0.115 at a particular wavelength. What was the molar absorptivity of the dye
What volume of 0.150 mol /L Ba(OH)2 is needed to neutralise 476 mL of 0.178 mol/L HCl?
a 35.8-g sample of cadmium metal was melted by an electric heater providing 4.66 js of heat. if it took 6.92 min from
complete the reaction; write the equation as a balanced equation, complete ionic equation, and net ionic equation. Be sure to show the state of each compound.
how many milliliters of H2 will be present after reaction has taken place? b.) how many milliliters of Cl2? c.) how many milliliters of HCl?
What is the purpose of running both Dalton Vll mixed markers and lanes with individual markers on SDS-PAGE?
use plancks constant h 6.6260755 x 10-34 j-s to determine the energy or frequency for electromagnetic waves e h.
Draw out the Lewis structures for H2CO3, HCO3-, and CO32-. Then determine the maximum number of equivalent resonance structures for each species. Note that carbon is the central atom in all three cases
an equilibrium mixture of h2 i2 and hi at 458 contains 0.108 i2 0.108 h2 and 0.747 hi in a 5.00- vessel what is the
Calculate the hydronium ion concentration and the pH after the addition of .25mL of .10 M HCl to each one. What accounts for the difference in hydronium ion concentrations? Explain this based on equilibrium concepts.
What happens when you mix Calcium Nitrate and Sodium Carbonate? What is the precipitate it forms?
Find a parametric representation for the plane that passes through the point (?2, 2, 1) and contains the vectors i + j ? k and i ? j + k.
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