Chemistry, 30.07.2019 14:00 blakeesteigmanoxd9bd
If a solution of hf (ka = 6.8 10-4) has a ph of 3.67, calculate the total concentration of hydrofluoric acid.
Answers: 1
Chemistry, 22.06.2019 07:10
Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он
Answers: 2
Chemistry, 22.06.2019 12:40
When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign
Answers: 2
Chemistry, 22.06.2019 13:30
Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?
Answers: 1
Chemistry, 22.06.2019 15:30
Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.
Answers: 1
If a solution of hf (ka = 6.8 10-4) has a ph of 3.67, calculate the total concentration of hydrofluo...
Mathematics, 16.03.2020 20:45
Computers and Technology, 16.03.2020 20:46
Mathematics, 16.03.2020 20:46
English, 16.03.2020 20:46
Mathematics, 16.03.2020 20:46
Biology, 16.03.2020 20:46
Social Studies, 16.03.2020 20:46
Mathematics, 16.03.2020 20:47