A sample is prepared by adding 10 grams of oxygen gas to 10 grams of nitrogen gas. No energy change is observed. which best describes sample
A) a mixture that is 50% oxygen by Mass
B) a compound that is 50% oxygen by Mass
C) a mixture in which 50% of the atoms are oxygen
D) a compound in which 50% of the atoms are oxygen
Answers (2)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “A sample is prepared by adding 10 grams of oxygen gas to 10 grams of nitrogen gas. No energy change is observed. which best describes ...” in 📘 Chemistry if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
21% of oxygen in air with barometric pressure of 625. what's partial pressure
Answers (1)
One of the essential minerals in the human body is salt. How much salt (NaCl) is in the average adult human body? A. 1 kilogram B. 500 grams C. 250 grams D. Practically none
Answers (1)
Calculate the heat change in calories for condensation of 20.0 g of steam at 100∘C.
Answers (1)
3. How does adding neutrons affect isotope symbols?
Answers (1)
How is a gas different from a solid or a liquid? (choose all that apply)
Answers (1)
New Questions in Chemistry
Which is the MOST accurate description about how the different types of feedback mechanisms work
Answers (1)
Which of the following equations violates the law of conservation of mass? A) 2Al + 6HCl yields 2AlCl3 + 3H2 B) Na2C2O4 + Pb (NO3) 2 yields PbC2O4 + 2NaNO3 C) AgNO3 + LiCl yields AgCl + LiNO3 D) 3Ca + 2Cr (NO3) 3 yields 3Ca (NO3) 3 + 2Cr
Answers (1)
Which of the following is a true statement about energy? a. energy can be created and destroyed. b. energy is never created nor destroyed. c. energy is easily created, but cannot be destroyed. d. energy cannot be converted from one form to another.
Answers (1)
What does a reaction rate tell you
Answers (2)
Which phrase provides the best definition of mass movement
Answers (1)