Chemistry, 31.03.2021 02:00 annafran89
How many grams of oxygen, O 2 , is consumed when 41.9 g of propane, C 3 H 8 , burns?
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, 23.06.2019 01:00, stefaniethibodeaux
Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
Answers: 1
Chemistry, 23.06.2019 13:30, sophie5988
Where are electrons with the lowest energy found? in the nucleus farthest from the nucleus outside the atom closest to the nucleus
Answers: 1
Chemistry, 23.06.2019 14:00, arnold2619
Ahas distinct properties and composition that never vary.
Answers: 1
How many grams of oxygen, O 2 , is consumed when 41.9 g of propane, C 3 H 8 , burns?...
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