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
MatroZZZ [7]
3 years ago
15

Please help me! Thank you!

Chemistry
1 answer:
Marina86 [1]3 years ago
5 0
I believe the answer is B
You might be interested in
Define mechanical energy. Using the example of the pendulum, explain how kinetic and potential energy relate to the mechanical e
ankoles [38]
Mechanical energy is the sum of potential energy and kinetic energy present in the components of a mechanical system. It is the energy associated with the motion and position of an object. All energy can be expressed in Joules (including thermal <span>energy</span>
7 0
3 years ago
HELP HELP <br><br> why are more common bone fractures among senior citizens than among young people
UkoKoshka [18]
I think this because they are getting much older and weaker so they’re bones tend to break down easily
8 0
4 years ago
Read 2 more answers
Which statement describes vascular plants?
alexandr1967 [171]

Answer:

A vascular plant is any one of a number of plants with specialized vascular tissue. The two types of vascular tissue, xylem and phloem, are responsible for moving water, minerals, and the products of photosynthesis throughout the plant.

Explanation:

7 0
3 years ago
How many particles are in one mole substance
Karolina [17]

Avogadro's number is defined as the number of elementary particles (molecules, atoms, compounds, etc.) per mole of a substance. It is equal to 6.022×1023 mol-1 and is expressed as the symbol NA.

6 0
4 years ago
Read 2 more answers
1. Compare the masses and the charges for the three particles which make<br> up<br> the atom.
storchak [24]

Answer:

The charge on a neutron=1+-/neutral

It has a mass 1

The charge on electron is 1-/negative

It's mass is 1/1840

The charge on a proton is 1+

It has a mass 1 too.

Explanation:

8 0
3 years ago
Other questions:
  • How many grams of O2(g) are needed to completely burn 46.0 g C3H8(g)?
    13·1 answer
  • What is the theoretical yield of silver chloride?
    14·1 answer
  • The most important commercial process for generating hydrogen gas is the water-gas shift reaction:. CH4(g) + H2O(g) → CO(g) + 3H
    6·2 answers
  • Two students apply force to a box at rest on the floor.
    12·1 answer
  • 15. What is true about concentration of a solution? *
    12·1 answer
  • Nevermind i got it !
    15·2 answers
  • Number of valence electrons for nitrogen
    7·1 answer
  • A sample of limestone (calcium carbonate, CaCO3) is heated at 950 K until it is completely converted to calcium oxide (CaO) and
    13·1 answer
  • Which is an appropriate layering process for a compost pile?
    11·2 answers
  • a rock that originally had a mass of 1.00g of uranium_238 now only has .125g left. how old is the rock if the half life of urani
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!