Chemistry, 19.05.2021 19:10 wendybhenry61391
A model of (CH,0), was created using colored beads. Carbon atoms were
represented by black beads, hydrogen atoms by red beads, and oxygen atoms by blue beads. Which of the following combinations of beads shows an accurate model of (CH,0)4?
A.) 4 black, 8 red, and 4 blue
B.) 1 black, 2 red, and 1 blue
C.) 4 black, 6 red, and 4 blue
D.) 1 black, 8 red, and 1 blue
Answers: 3
Chemistry, 22.06.2019 02:30
When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.
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Chemistry, 22.06.2019 08:30
How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same
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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, 22.06.2019 19:30
What is the common name for the compound shown here? enter the common name of the compound shown?
Answers: 2
A model of (CH,0), was created using colored beads. Carbon atoms were
represented by black beads, h...
Mathematics, 21.05.2020 00:14
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