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How many moles of carbon dioxide are produced when 3.00 mol of oxygen react completely in the following equation?
C3H8 + 5O2 ?3CO2 + 9H2O
a) 1.80 mol
b) 3.00 mol
c) 1.00 mol
d) 9.00 mol
How many mmoles of HCl reacted with the Na2CO3? c. Calculate the molarity of the HCl solution.
Explain why it is a good technique to slow the addition of NaOH titrant near the stoichiometric point.
Compare the molar enthalpies of neutralization of hydrochloric acid, sulfuric acid, and phosphoric acid. Discuss the similarities of these data.
Select the IR frequency and number of NMR signals that is diagnostic for either isomer a or isomer b. Isomer A: cyclopentanecarboxamide Isomer B: 6-hydroxyhexanenitrile
Draw viable Lewis structures to illustrate how the element bromine can take part in an ionic bond, a pure covalent bond, and a polar covalent bond.
A solution is prepared by dissolving 25.8 grams of magnesium chloride (MgCl2) in 250.0 mL water. Calculate the molality of the chloride ion in the solution.
At 25oC, the density of a propanol-water (C3H7OH in H2O) solution which is 30% by mass propanol is 1.05 g/cm3. Given that the Partial Molar Volume of water in this solution is 16.8 cm3/mol, calculate the Partial Molar Volume of the propanol in the s..
According to the valence bond theory, which of the following molecules involves sp2 hybridization of orbitals on the central atom?
Define an attempt at synthesizing a certain optically active compound resulted in a mixture of its enantiomers. Suppose the mixture had an observed specific rotation of 16.5°. If it is known that the specific rotation of the R enantiomer is -31.1°..
The element is so highly unstable that no observations of its properties have been possible. Based on its position in the periodic table, propose two different reasonable valence electron configurations for this element.
Briefly explain why this indicator changes from red to blue at the equivalence point when titrating a Ca2+ or Mg2+ solution with EDTA.
What is the relationship among intracellular fluids, 0.9% (W/V) NaCl and 5.0% (W/V) glucose?
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