Chemistry, 07.05.2021 18:00 Manuel2019
HELP PLS A chemical reaction between an acid and a base that produces water and a salt is known as neutralization. Which of the following chemical equations represents a neutralization reaction?
NaCO3 (aq) + CuCl (aq) ® NaCl (aq) + CuCO3 (s)
HBr (aq) ® H+ (aq) + Br- (aq)
NH3 (aq) + HCl (aq) ® NH4Cl (aq)
HNO3 (aq) + KOH (aq) ® KNO3 (aq) + H2O (l)
Answers: 3
Chemistry, 22.06.2019 05:00
You mix the pks of succinic acid are 4.21 and 5.64. how many gramsa graduate student at sdsu wants to measure the activity of a particular enzyme at ph 4.0. to buffer her reaction, she will use a buffer system based on one of the acids listed below, which acid is most appropriate for the experiment? of monosodium succinate (fw = 140 g/mol) and disodium succinate (fw = 162 g/mol) must be added to 1 l of water to produce a solution with a ph 5.28 and a total solute concentration of 100 mm? (assume the total volume remains 1 liter, answer in grams monosodium succinate, grams disodium succinate, respectively.) volumes of 0.05 m nah2po4 and 0.05 m na2hpo4 (pk's for phosphoric acid are 2.15, 6.82 and 12.38). which of the following best describes the resulting solution?
Answers: 2
Chemistry, 22.06.2019 06:00
How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar
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Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?
Answers: 2
Chemistry, 23.06.2019 07:50
What is the significance sodium hydroxide and hydrochloric acid
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HELP PLS A chemical reaction between an acid and a base that produces water and a salt is known as n...
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