Answers: 2
Chemistry, 22.06.2019 06:00
Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?
Answers: 3
Chemistry, 22.06.2019 17:30
What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.
Answers: 1
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
12.5 grams of C3H8 reacts with 100.0 liters of oxygen gas. provide the balanced equation....
Mathematics, 16.10.2021 02:50
History, 16.10.2021 02:50
History, 16.10.2021 02:50
Mathematics, 16.10.2021 02:50
Mathematics, 16.10.2021 02:50
Social Studies, 16.10.2021 02:50
Chemistry, 16.10.2021 02:50
SAT, 16.10.2021 02:50
History, 16.10.2021 02:50
Biology, 16.10.2021 02:50
Biology, 16.10.2021 02:50
Mathematics, 16.10.2021 02:50
Biology, 16.10.2021 02:50
Geography, 16.10.2021 02:50