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based on the law of conservation compute how many grams of oxygen are needed in the following reaction if 1243 g of
explain what alkyl bromide must be used in the malonic ester synthesis of each of the subsequent carboxylic acids1
baking soda is sodium bicarbonate nahco3 as well as vinegar is primarily acetic acid hc2h3o2 explain when baking soda
1explain in which solvent would the fluorescence of naphthalene be expected to be greatest- 1-chloropropane
explain by how much the rate of reaction would change if the concentration of co rose by a factor of 2495 if the rate
during the separation process students frequently examine that their sodium hydroxide solution is colored because of
bovine serum albumin bsa is a biochemically valuable protein a 0373 gram sample of bovine serum albumin is melt in
depict the mechanism for the addition of formation of sodium benzoate from benzoic acid as well as sodium
depict the mechanism for the addition of triethylammonium ion from triethylamine as well as a hydrogen
depict the resonance forms for a general carboxylate ion r-co2 - showing all lone pair electrons for each resonance
define why the addition of dilute hcl to sodium benzoate forms a solid however addition of sodium hydroxide to
nitrogen gas as well as hydrogen gas reacts in a synthesis reaction to make ammonia gas nh3 explain how many grams of
explain what affect will contamination of aspirin by a small amount of caffeine acetaminophan as well as water have on
in performing tlc to test the purity of aspirin acetaminophan and caffeine explain how will using a vey polar solvent
for each of the subsequent substances calculate the final temperature when heat in the amount of 60kjmol is added to
for steady flow in a heat exchanger at just about atmospheric pressure explain what is the heat transferreda explain
1would the dean-stark trap be valuable if the density of the ester product were greater than that of water2 in this
1 the density of an unknown vapor is 175 gl the pressure is 689 mm hg as well as the temperature is 700 acircordm c
state the equilibrium constant expression in terms of reactant as well as product concentrations for the following
explain how many free ions are there on the product side of the total ionic equation that results from the reaction
the activity of a sample of ba-137m has reduced by 75 from its initial activity after 510 minutes explain what is the
compute the ph of a buffer solution prepared by dissolving 42 g of nahco3 and 53 g of na2co3 in 020 l of water explain
a first order reaction has activation energy of 501 kjmol as well as a frequency factor arrhenius constant of 827 x
1 does absorbance increase or else decrease as the solution concentration of the absorbing substance increases and why2
the reaction of 668 of carbon with excess o2 yields 1305 g of co2 explain what is the percent yield of the