Record your observations and data either in your lab notebook or in the space below.
Data
Record your observations and data either in your lab notebook or in the space below.
Table A: Cold Water
Time
Food Coloring Movement
Paper Movement
(minutes: seconds)
0:30
1:00
1:30
2:00
2:30
3:00
Table B: Hot Water
Time
Food Coloring Movement
Paper Movement
(minutes: seconds)
0:30
1:00
1:30
Answers: 3
Chemistry, 22.06.2019 12:30, robert7248
What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h
Answers: 2
Chemistry, 22.06.2019 18:00, kingamir
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
Chemistry, 22.06.2019 23:00, maddyleighanne
Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry
Answers: 3
Chemistry, 23.06.2019 00:30, ejuarez2020
When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two
Answers: 2
Data
Record your observations and data either in your lab notebook or in the space below.
Record your observations and data either in your lab notebook or in the space below.
History, 25.03.2020 03:08
Mathematics, 25.03.2020 03:08
Mathematics, 25.03.2020 03:08
History, 25.03.2020 03:09