DUE IN 10 HELP John was asked to create a model that showed the difference between conductors and insulators. The model he created is shown below. Evaluate his models and his description of his model to determine if John shows the difference between a conductor and an insulator. Describe what is good and what might be improved in his model.
Answers: 2
Chemistry, 22.06.2019 07:00
In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?
Answers: 2
Chemistry, 22.06.2019 18:00
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
DUE IN 10 HELP John was asked to create a model that showed the difference between conductors and in...
Mathematics, 20.05.2021 01:00
History, 20.05.2021 01:00
Mathematics, 20.05.2021 01:00
Mathematics, 20.05.2021 01:00
Mathematics, 20.05.2021 01:00
Mathematics, 20.05.2021 01:00
Mathematics, 20.05.2021 01:00
Mathematics, 20.05.2021 01:00
Advanced Placement (AP), 20.05.2021 01:00
Spanish, 20.05.2021 01:00
Mathematics, 20.05.2021 01:00
Mathematics, 20.05.2021 01:00
Chemistry, 20.05.2021 01:00