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Question- Using your results as a guide, comment on the purity of the material in the green and yellow bands; that is, did each band consist of a single component?
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1for the reaction of c2h4g with o2g to form co2g and h2og what number of grams of co2 could be produced from 2.0 g of
Nicotine in cigar smoke (pH is much more readily absorped through the mucous membranes of the mouth than is nicotine in cigarette smoke pH
The mass percent of a three component gas sample is 58.0% C2H4O2, 14.6% NH3 and 27.4% CH2O. Calculate the partial pressure (atm) of CH2O if the total pressure of the sample is 0.340 atm.
In the electrolysis of aqueous NaCl, how many liters of Cl2(g) (at STP) are generated by a current of 7.50 A for a period of 100. min.
Calculate the wavelength of the photon emitted when an electron makes a transition from n=4 to n=3
Find the molcular heat capacity in units. Does the law hold up? Can you distinguish a metallic element from a nonmetal this way. Metalloids
According to the Rydberg equation, what is the wavelength (in m) of photons produced by a transition from n = 5 to n = 3 in hydrogen atoms. Enter the number in exponential format
A solution is made by mixing equal masses of methanol, CH4O, and ethanol, C2H6O. Determine the mole fraction of each component to at least three significant figures.
Question- What would the equation for the synthesis reaction for the preparation of bis(chloroacetato)copper(II) be? Starting reactants: Monochloroacetic acid in a 10% ethanol to water mixture and basic copper (II) carbonate
Explain if a buffer solution is 0.120 M in a weak acid (Ka = 3.5 × 10-5) and 0.500 M in its conjugate base, define what is the pH
Calculate the effective charges on the I and Br atoms in IBr, in units of the electronic charge e.
Calculate the mass of solid NaCl that must be aded to 1.50 L of a .100 M AgNO3 solution to precipitate all the AG+ ions in the form of AgCl
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