How many total moles of gas are produced
If a sample containing 2.11 mL of nitroglycerine (density = 1.592 g/mL) is detonated, how many total moles of gas are produced?
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A solution is 0.010 M in both Br- and SO42-. A 0.250 M solution of lead(II) nitrate (Pb(NO3)2) is slowly added to it. a) which anion will precipitate first? b) what is the concentration in the solution of the first ion when the second one starts
What volume in milliliters of a 0.141 solution is required to reach the endpoint in the complete titration of a 16.0 sample of 0.148 ?
If the molar enthalpy of water is 6.009 kJ/mol, how much energy is needed for 4.5 moles of ice to melt at STP?
What features would you expect to be different when comparing the IR spectra of serine and tyrosine? Provide at least two features that you would expect to be the same. Explain your answer in terms of particular IR stretches (i.e. number ranges) a
Calculate the equilibrium constant (Keq) for the reaction of equimolar amounts of acetophenone and sodium hydroxide to generate the enolate. The pKa values of acetophenone and water are 19.0 and 15.7, respectively.
What is the molarity of ions in a solution formed by dissolving 7.40 of the mixture in enough water to form 600.0 of solution? A mixture contains 76.5% NaCl , 6.5% MgCl2 by mass.
Briefly discuss interpretations of your observations and results. Discuss how your observations illustrated LeChatelier's principle.
What is the enthalpy of vaporization of acetone (CH3COCH3) at its normal boiling point of 56.2?C? The entropy of vaporization
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A young patient presents with purpura predominantly on the extensor surfaces of the limbs and buttocks following a recent infection.
This snail produces only left-hand (sinistral) progeny on selfing. What are the genotypes of the F1 snail and its parents?
Question: In her studies of power and gender, Ernestine Friedl (2009) found that Question options:
What is the suggested life cycle of fashion, as discussed in the Simmel text? Question options:
Which is an early sign of appendicitis? Pain localized to the right lower quadrant Nausea Fever Referred pain to the umbilical region Anorexia
How is a food chain different from a food pyramid? What factors are parts of the habitat?
Select those statements that are true about the treatment of biofilm infections. Check All That Apply Bacteria in biofilms have different susceptibility pattern