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
aleksandr82 [10.1K]
3 years ago
5

If there are 7 moles of copper dissolved in 15 moles of zinc to make 22 moles of a brass solution. What is the mole fraction of

copper?
Chemistry
1 answer:
iragen [17]3 years ago
6 0
Mole fraction of copper is 7/22
You might be interested in
1. What do the ice ages tell us about how Earth's<br> climate has changed in the past?
Levart [38]

Answer:

During ice ages, the most characteristic change to the planet has been the formation and spread large ice sheets and glaciers across much the Northern Hemisphere.

3 0
3 years ago
Which of the following best defines the internal energy of a system?
Anarel [89]
 <span>In thermodynamics, the internal energy of a thermodynamic system, or a body with well-defined boundaries, denoted by U, or sometimes E, is the total of the kinetic energy due to the motion of molecules (translational, rotational, vibrational) and the potential energy associated with the vibrational and electric energy of atoms within molecules or crystals. It includes the energy in all the chemical bonds, and the energy of the free, conduction electrons in metals.</span>
7 0
3 years ago
What do protons determine about an element
Daniel [21]
The number of protons in an atoms determines the atoms identity. Electrons determine the electrical charge.
5 0
3 years ago
Read 2 more answers
When the white part is on the left the moon is.??​
Kazeer [188]

Answer:

Last Quarter also called Third Quarter.

Explanation:

6 0
3 years ago
What are the smallest sub atomic structure
Anton [14]

Answer:

Electrons

Explanation:

In an atom there would be three subatomic particles: Neutrons, electrons, protons. The smallest and lightest in terms of mass is electrons. This is because the nucleus is comprised of the protons and the neutrons, these have a greater mass than electrons as electrons has very little mass that can considered to be 0.

7 0
3 years ago
Other questions:
  • A squirrel runs at a steady rate of 0.51 m/s in a circular path around a tree. If the squirrel's centripetal acceleration is 0.4
    15·2 answers
  • Why do minor parties have difficulty succeeding in the United States electoral system? A. tend to focus on only a single issue B
    5·1 answer
  • Which of the following are examples of plasmas? Answers are numbered
    5·1 answer
  • What do atoms of any single element have in common
    7·2 answers
  • ) determine the theoretical yield and the percent yield if 21.8 g of k2co3 is produced from reacting 27.9 g ko2 with 29.0 l of c
    14·2 answers
  • What is the volume of a solution that has a molarity of 0.600M and contains 4.50 grams of NH4OH?
    12·1 answer
  • Brainiest if you are correct and this is a Test I just need help on the last one.
    15·2 answers
  • H2(g)+I2(s)→HI(s)H2(g)+I2(s)→HI(s) balance equations
    7·1 answer
  • In negative adsorption the concentration of the solution is​
    13·1 answer
  • Petrification is the combination of 2 types of fossilization, replacement and permineralization, by which element? group of answ
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!