Answers: 2
Chemistry, 22.06.2019 13:50
Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
Answers: 1
Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
Answers: 1
Chemistry, 22.06.2019 22:30
The vapor pressure of ethanol is 1.00 × 102 mmhg at 34.90°c. what is its vapor pressure at 61.61°c? (δhvap for ethanol is 39.3 kj/mol.)
Answers: 2
Does endothermic means to lose energy?...
History, 14.08.2020 23:01
Mathematics, 14.08.2020 23:01
Mathematics, 14.08.2020 23:01
Mathematics, 14.08.2020 23:01
Advanced Placement (AP), 14.08.2020 23:01
Mathematics, 14.08.2020 23:01
Mathematics, 14.08.2020 23:01
Biology, 14.08.2020 23:01
Mathematics, 14.08.2020 23:01