Answer: Electrical and magnetic separation.
Explanation:
Krista was most likely try to see how the amount of time she took to study reflected in her quizzes. She would most likely have higher scores if she studied longer. There is no information given on how her math scores are or how long she studies math so I can’t answer the third question. There’s no best way to study; everyone is different. Some rewrite notes and others make flash cards. You may like to be quizzed by someone. It just depends what works best for you.
Answer:
The answer for the first problem is: C₆N₁H₁₁O₁ or C₆NH₁₁O
Explanation:
Nylon composition: Mass Divide by the atomic mass
Carbon 63.68 % 63.68 g 63.68/ 12 = 5.3
Nitrogen 12.38 % 12.38 g 12.38/14 = 0.88
Hydrogen 9.8% 9.8 g 9.8/1 = 9.8
Oxygen 14.14% 14.14 g 14.14/16 = 0.88
We choose the lowest number that is 0.88 for nitrogen and oxygen and divide the four results by this number
Carbon 5.3/0.88 = 6
Nitrogen 0.88/0.88 = 1
Hydrogen 9.8/0.88 = 11.1 = 11
Oxygen 0.88/ 0.88 = 1
Then the empirical formula has this coefficients
C₆N₁H₁₁O₁ or C₆NH₁₁O
Check attached file for the answer.
Answer:
the answer is 25.032g check pic for explanation