Chemistry, 06.08.2021 01:50 gildedav001
When 100 gram of an unknown metal at 80.00C is placed in a calorimeter containing 100 g of water, the temperature rises from 20.00C to 25.00C. Given that the specific heat of water is 4.184 J/g. K, what is the specific heat of the metal?
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 18:00
Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?
Answers: 2
Chemistry, 23.06.2019 03:00
Which of the following is a chemical property of water at 4 c
Answers: 2
When 100 gram of an unknown metal at 80.00C is placed in a calorimeter containing 100 g of water, th...
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