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jaycab

Questions (11)

50J of energy is transferred as work is done on the system. 30J of heat is also absorbed by the system. Calculate the change in
1. 2 answers
2. 1,334 views
A system performs 120J work with no heat supplied to it. Calculate the change in internal energy of the system.
1. 0 answers
2. 990 views
Calculate the change in internal energy of the system in a process for which 100J of heat is absorbed by the system from
1. 0 answers
2. 502 views
A man consumes 50,000J of heat in doing his work out activities. A serving of his food provides him with 25,000J of energy.
1. 0 answers
2. 428 views
Weak Acid1.) The pH of a 0.060M weak monoprotic acid HA is 3.44. Calculate the Ka of the acid. 2.) The pH of 0.100M solution of
1. 1 answer
2. 1,523 views
Weak Acid1.) The pH of a 0.060M weak monoprotic acid HA is 3.44. Calculate the Ka of the acid. 2.) The pH of 0.100M solution of
1. 2 answers
2. 1,566 views
SALT HYDROLYSIS1.) Calculate the pH of a 0.24M sodium formate (HCOONa) solution. Kb=5.9x10^-11. 2.) Calculate the pH of 0.25M
1. 1 answer
2. 1,601 views
COMMON ION EFFECT1.) What is the pH of a solution that is 0.30M in HCOOH and 0.52M in HCOOK. Ka of HCOOH=1.7x10^-4. 2.)
1. 1 answer
2. 631 views
A. Strong Base1.) What is the concentration of a solution of KOH for which the pH is 11.89? 2.) What is the pH of a 0.011M
1. 2 answers
2. 4,474 views
A solution formed by dissolving an antacid tablet has a pH of 9.18. Calculate [H+].
1. 5 answers
2. 3,839 views
a sample of freshly pressed apple juice has a pH of 3.76. Calculate [H+].
1. 1 answer
2. 1,839 views