1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Allisa [31]
4 years ago
12

Copper has two isotopes. The one isotope (Copper-63) has an abundance of 69.2% and a mass of 62.930 amu. The second isotope (Cop

per-65) has an abundance of 30.8% and a mass of 64.928 amu. Calculate the average atomic mass of copper. 62.930 amu 63.545 amu 63.929 amu 64.928 amu
Chemistry
1 answer:
Step2247 [10]4 years ago
8 0
Multiply the percentage by the mass for both and add them to get 63.545 amu 
You might be interested in
Magnesium hydroxide is added to a solution of hydrochloric acid. A reaction occurs and magnesium chloride and water are formed.
kodGreya [7K]

Answer:Magnesium (Mg) is a - reactant

Hydrogen (H2) is a - product

magnesium chloride (MgCI2) is a - product

hydrochloric acid (HCI) is a - reactant

Explanation: It’s in my notes

8 0
3 years ago
How would you describe an electron
avanturin [10]

Answer:

an electron is part of the 3 things that are in an atom, it has a negative charge

8 0
4 years ago
Sodium is a compound<br> O True<br> or<br> O False
MA_775_DIABLO [31]

Answer:

i think false.

Explanation:

tell me if this is wrong

6 0
3 years ago
Read 2 more answers
If the particles of matter that make up a substance are relatively far apart and can move freely, the substance is in what state
Novay_Z [31]

Answer:

Gaseous

Explanation:

Gasses can move freely and do not form the shape of their containers

Liquids are more free than solids, but they conform to the shape of their container

Solids are not free

5 0
3 years ago
What does compression do?
erma4kov [3.2K]

Explanation:

Compressors and limiters are used to reduce dynamic range — the span between the softest and loudest sounds. Using compression can make your tracks sound more polished by controlling maximum levels and maintaining higher average loudness.

3 0
3 years ago
Other questions:
  • How much heat must be removed from 456 g of water at 25.0°c to change it into ice at?
    5·1 answer
  • A decomposition reaction always breaks a compound down into two pure elements. True or False.
    13·2 answers
  • Sodium reacts with chlorine gas according to the following reaction: 2Na(s)+Cl2(g)→2NaCl(s) What volume of Cl2 gas, measured at
    10·1 answer
  • n the 1990’s, the Boeing Co. developed a process for treating wastewater from electroplating and printed circuit board manufactu
    8·1 answer
  • If silicon has a charge of -4, how many electrons does it have
    10·1 answer
  • Which is always the first step in dealing with an accident in the lab?
    5·2 answers
  • This is 25 points. Pick any of the 6 questions and show how you did it. I just need to see how you do it and get the answer. You
    5·1 answer
  • Nombra cada uno de los siguientes hidrocarburos de acuerdo a las reglas de la IUPAC
    9·1 answer
  • Genetics and reproduction
    6·1 answer
  • Each of the following names is wrong. Draw structures based on them, and correct the names:(b) 1,1,1-trimethylheptane
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!