Observe the substances in the test tubes for 15 minutes. In the table, describe what’s happening in each test tube, including any evidence of a chemical reaction. Remember that evidence of chemical reactions can include change in color, change in smell, change in temperature, formation of a solid, or formation of bubbles. If there’s no observable change in a test tube, write “no reaction.”
Answers: 1
Chemistry, 22.06.2019 00:30
13. calculate the initial concentration (before precipitation) of carbonate ions after the addition of each 0.05 ml of solution b to the 1.00 l beaker of solution a. divide the work among group members and write the answers in the table in model 3. assume the volume change as solution b is added is negligible. 14. notice the initial concentrations of zn2+ - and cu2+ in the table in model 3. a. explain how these were obtained from the data in model 2. b. as solution b is added and precipitates form, do these initial concentrations change? 15. use the data in model 2 to indicate the presence of precipitate (either znco3 or cuco3) after each 0.05 ml addition of solution b in model 3. 16. use the initial concentrations of carbonate ions and zinc ions to calculate the reaction quotient, qsp for the zinc carbonate scenarios in model 3. divide the work among group members and write the answers in the table in model 3. 17. use the initial concentrations of carbonate ion and copper(ii) ions to calculate the qsp for the copper(ii) carbonate scenarios in model 3. divide the work among group members and write the answers in the table in model 3.
Answers: 3
Chemistry, 23.06.2019 02:00
Butane gas reacts with oxygen gas to give carbon dioxide gas and water vapor (gas). if you mix butane and oxygen in the correct stoichiometric ratio, and if the total pressure of the mixture is 390 mmhg, what is the pressure (in mmhg) of water vapor after the reaction is completed (temperature and volume do not change).
Answers: 2
Observe the substances in the test tubes for 15 minutes. In the table, describe what’s happening in...
Computers and Technology, 13.12.2019 11:31
Biology, 13.12.2019 11:31
Mathematics, 13.12.2019 11:31
Mathematics, 13.12.2019 11:31
Mathematics, 13.12.2019 11:31
Mathematics, 13.12.2019 11:31
Health, 13.12.2019 11:31
Physics, 13.12.2019 11:31
Mathematics, 13.12.2019 11:31
Biology, 13.12.2019 11:31