Chemistry, 13.09.2019 02:30 ciarrap552

Astudent receives 83.2 points, 44.6 points, 74.4 points, and 52.3 points on each of four tests. determine the student's test average with the correct significant digits.

Answers: 3

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 22:30, dinosaur10

Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0

Answers: 2

continue

Chemistry, 22.06.2019 00:50, justabeachbum

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

Answers: 1

continue

Chemistry, 22.06.2019 11:00, coco8560

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Answers: 1

continue

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

continue

You know the right answer?

Astudent receives 83.2 points, 44.6 points, 74.4 points, and 52.3 points on each of four tests. dete...