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Carbon has 3 natural occurring isotopes: Carbon-12 has a mass of 12.009 with a percent abundance of 98.85 % Carbon-13 has a mass of 13.003 with a percent abundance of 1.07 % , and Carbon-14 has a mass of 0.8 %. Calculate the average atomic mass of Carbon. Please show all your work.
Do Raman Numerals appear in the names of ionic or covalent compounds. Explain why they are used. Do Greek Prefixes appear in the names of ionic or covalent compounds. Explain why they are used. What is the relationship between the number of hydrogens..
Problem- Using the standard reduction potentials listed in Appendix E in the textbook, calculate the equilibrium constant for each of the following reactions at 298 K.
EXPLAIN why at low temperatures, e.g. -80 °C, when HCl is added to 1,3-butadiene the major product is 3-chloro-1-butene. c) EXPLAIN why at +80 °C when HCl is added to 1,3-butediene the major product is 1-chloro-2-butene.
How to find the equivalent weight of a compound?
Survival of trout needs water in which the oxygen concentration is greater than 5 ppm. A 100-mL sample of lake water was examined according to the method outlined in question 6 with the liberated iodine requiring a 9.72mL titration with 0.01235 M ..
The titration required 35.46 mL of 0.1052M Na2S2O3 solution. A faded price label on the gallon bottle read $0.79. The density of the bleaching solution was 1.10 g/mL Calculate the number of moles of S2O32- ion required for the titration
Calculate the number of moles of NH3 present in solution when 9.5ml of 0.500 M NaOH is used to back-titrate an aqueous solution of Cu(NH3)4SO4xH2O to which 35.00ml of 0.500 M HCL has been added.
a 0.50 mol sample of oxygen gas is confined a 0deg c in a cylinder. the initial pressure in the cylinder is 1.0 atm. if
the crossed aldol condensation of acetalaldehyde with benzaledye isaided by the fact that bezaldehyde bears no alpha
Air is 21 mole percent oxygen, that is, 0.21 atm oxygen at 1 atm. Suppose the pH of the water is 4.54 and that the concentration of iron(II) in the water is 5.16x 10-5 M, what is the potential of the corrosion reaction under the above conditions a..
What is the expected freezing point of a solution prepared by dissolving 4.25g of naphthalene (C10H8) in 26.4g of benzene (C6H6)? T-5.53C and K-5.12C
For a first ordwr reaction theconcentration of the reactant was reduced from .0150 M to .0120 M after heating at 500 c for 150 s. What was the concentration of the reactant after 250 s. What was the half life
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