B how many oxygen atoms are in one molecule of adipic

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Welding: Principles and Applications
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Chapter 20 / Exercise 2
Welding: Principles and Applications
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b. How many oxygen atoms are in one molecule of adipic acid?
c. How many total atoms are in one molecule of adipic acid?
23. (3 pts) Rubbing alcohol, also known as isopropyl alcohol, freezes at –89 °C. What is the freezing point on the Fahrenheit scale?
24. (2 pts) An iodine atom has a mass of 0.000 000 000 000 000 000 000 021 08 g. Express the mass in scientific notation.
25. (4 pts) Determine whether each description matches a proton, neutron, or electron:
26. Element X has two stable naturally occurring isotopes. X-10 has a mass of 10.013 amu and an abundance of 19.9 %, and X-11 has a mass of 11.009 amu. a) (4 pts) Calculate the atomic mass of element X.
b) (1 pt) Which is the identity of element X?
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We have textbook solutions for you!
The document you are viewing contains questions related to this textbook.
Welding: Principles and Applications
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Chapter 20 / Exercise 2
Welding: Principles and Applications
Jeffus
Expert Verified
Chemistry 111 Spring 2017 Test #1 KEY 100 points total 27. (4 pts) Complete the following table: Element Name Element Symbol Metal, Nonmetal, or Semimetal?
28. The sun has a mass of 1.989×10 30 kg and a volume of 1.4×10 27 m 3 . The sun is composed of 71.0 % hydrogen, 27.1 % helium, 1.0 % oxygen, and 0.9 % other elements. a) (4 pts) What is the weight of the sun in pounds?
b) (5 pts) What is the volume of the sun in cubic kilometers?

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