Chemistry, 10.07.2019 23:30 21shalissa420
A425.00-gram sample of a compound decomposes into 196.01 grams of carbon, 41.14 grams of hydrogen, 130.56 grams of oxygen, and 57.29 grams of silicon. experiments have shown the compound has a molecular weight of 208.329. what is the molecular formula? a. c8h5o2si b. c2h5osi c. c4h10o2si d. c8h20o4si
Answers: 1
Chemistry, 21.06.2019 12:30
A__ is two or more substances that are together in the same place but are not chemically combined
Answers: 1
Chemistry, 22.06.2019 02:00
Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.
Answers: 2
Chemistry, 22.06.2019 15:20
Identify arrows pointing to bonding electrons. done h-0-0-h ) intro
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
A425.00-gram sample of a compound decomposes into 196.01 grams of carbon, 41.14 grams of hydrogen, 1...
Mathematics, 15.01.2020 03:31
Mathematics, 15.01.2020 03:31
Business, 15.01.2020 03:31
Mathematics, 15.01.2020 03:31
Mathematics, 15.01.2020 03:31
History, 15.01.2020 03:31
History, 15.01.2020 03:31
Biology, 15.01.2020 03:31
History, 15.01.2020 03:31
Mathematics, 15.01.2020 03:31