Chemistry, 24.03.2020 20:03 maliyahclays
0.205 mol of AlPO4 contains how many oxygen atoms?
Answers: 3
Chemistry, 22.06.2019 18:00
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 02:40
Calculate the standard enthalpy of formation of liquid methanol, ch3oh(l), using the following information: c(graphite) + o2 latex: \longrightarrow ⟶ co2(g) latex: \delta δ h° = –393.5 kj/mol h2(g) + o2 latex: \longrightarrow ⟶ h2o(l) latex: \delta δ h° = –285.8 kj/mol ch3oh(l) + o2(g) latex: \longrightarrow ⟶ co2(g) + 2h2o(l) latex: \delta δ h° = –726.4 kj/mol
Answers: 3
Chemistry, 23.06.2019 04:10
Two solids are mixed in a flask and stirred. after a few minutes, the flask becomes cold. which of the following best describes this reaction? a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a decomposition reaction
Answers: 1
0.205 mol of AlPO4 contains how many oxygen atoms?...
Health, 25.10.2019 09:43
Chemistry, 25.10.2019 09:43
English, 25.10.2019 09:43
Mathematics, 25.10.2019 09:43
Mathematics, 25.10.2019 09:43
Mathematics, 25.10.2019 09:43
Advanced Placement (AP), 25.10.2019 09:43
Mathematics, 25.10.2019 09:43
Mathematics, 25.10.2019 09:43
History, 25.10.2019 09:43
Mathematics, 25.10.2019 09:43
Mathematics, 25.10.2019 09:43
Mathematics, 25.10.2019 09:43