Chemistry, 02.03.2022 22:30 destinypierre
When a 4.2 gram sample of mercury (Il) oxide, HgO is decomposed into its elements by β’
heating, 3.2 grams Hg is obtained and the rest is oxygen. What is the percent
composition of mercury and oxygen?
Answers: 2
Chemistry, 22.06.2019 09:00
Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?
Answers: 1
Chemistry, 22.06.2019 21:50
Answer the questions about this reaction: nai(aq) + cl2(g) β nacl(aq) + i2(g) write the oxidation and reduction half-reactions: oxidation half-reaction: reduction half-reaction: based on the table of relative strengths of oxidizing and reducing agents (b-18), would these reactants form these products? write the balanced equation: answer options: a. 0/na -> +1/na+1e- b. nai(aq) + cl2(g) β nacl(aq) + i2(g) c. +1/na+1e- -> 0 /na d. -1/2i -> 0/i2+2e- e. no f. 4nai(aq) + cl2(g) β 4nacl(aq) + i2(g) g. 2nai(aq) + cl2(g) β 2nacl(aq) + i2(g) h. 4nai(aq) + 2cl2(g) β 4nacl(aq) + 2i2(g) i. nai(aq) + cl2(g) β nacl(aq) + i2(g) j. 0/cl2+2e -> -1/2cl- k. yes
Answers: 1
Chemistry, 23.06.2019 00:00
How many atoms or molecules are there in a mole of a substance?
Answers: 1
Chemistry, 23.06.2019 09:30
Sheela and her brother hari were sitting in the living room, watching tv. suddenly hari said that he thinks something is burning in the other room. how did he get the burning smell?
Answers: 3
When a 4.2 gram sample of mercury (Il) oxide, HgO is decomposed into its elements by β’
heating, 3....
Mathematics, 26.02.2021 01:10
Health, 26.02.2021 01:10
Mathematics, 26.02.2021 01:10
Computers and Technology, 26.02.2021 01:10
Mathematics, 26.02.2021 01:10
Computers and Technology, 26.02.2021 01:10
Computers and Technology, 26.02.2021 01:10