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
Ann [662]
2 years ago
9

How many moles are in 2.54 * 10^73 atoms of copper?

Chemistry
1 answer:
Anton [14]2 years ago
5 0

Answer:

= 3.99 ⋅ m o l ⋅ copper atoms  ...a mass of approx.  250 ⋅ g

Explanation:

You might be interested in
I need help with this pls i don’t understand it
FromTheMoon [43]

Answer:

Inner core - A

Outer core - B

Mantle - C

Asthenosphere - F

Lithosphere - E

Crust - D

7 0
1 year ago
How do we get energy from the food we eat?
expeople1 [14]

Answer:

A

Explanation:

I used my resources and they was explaining and I came to a resolution that it was A

5 0
2 years ago
R indicates round seeds that are dominant over the wrinkled variety represented by R for each numbered individual in the pedigre
hichkok12 [17]

Answer:

Explanation:X and Y

4 0
2 years ago
An atom whose valence electrons conform to the octet rule is:
Readme [11.4K]

Answer: D. less likely to form any bond

Explanation:

3 0
3 years ago
A photon has an energy of 2.93 × 10 to the power of -25 J. What is its frequency? What type of electromagnetic radiation is this
Svet_ta [14]
You need to know the energy frequency relationship for photons, which is thanks to Max Planck:

Photon Energy = Planck constant x Frequency

Rarranged:
Photon Energy / Planck Constant = Frequency

Planck Constant = 6.63x10^-34

2.93x10^-25 / 6.63x10^-34 = Frequency

6 0
3 years ago
Read 2 more answers
Other questions:
  • across a period, how does the electronegativity of a nonmetal affect the acidity of its binary hydride
    5·1 answer
  • How many phase rule variables must be specified to fix the thermodynamic state of each of the following systems? Show how you de
    15·1 answer
  • The Ka of a monoprotic weak acid is 0.00732. What is the percent ionization of a 0.123 M solution of this acid?
    12·1 answer
  • Explain how the four states of matter differ at the molecular level
    8·1 answer
  • HZ is a weak acid. An aqueous solution of HZ is prepared by dissolving 0.020 mol of HZ in sufficient water to yield 1.0 L of sol
    13·1 answer
  • Ammonium sulfate, an important chemical fertilizer, can be prepared by the reaction of ammonia with sulfuric acid according to t
    15·1 answer
  • Plz help me with this question plzzzzz​
    7·1 answer
  • The graph shows the distance an object travel in 11 seconds which answer choice best describes the movement of the object betwee
    15·1 answer
  • For the reaction of reducing benzil (MW 210.23 g/mol) with sodium borohydride (MW 37.83 g/mol), if 2.56 g of benzil and 0.38 g o
    14·1 answer
  • PLEASE HELP ME ON THIS ​
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!