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
Nuetrik [128]
3 years ago
14

Convert 1.45 × 1024 atoms of carbon to moles of carbon.

Chemistry
1 answer:
anygoal [31]3 years ago
8 0
1 mol = 6.02 * 10^23 atoms of carbon
x mol = 1.45 * 10^24 atoms of carbon

1/x =6.02*10^23 / 1.45 * 10^24

6.02 * 10^23 x = 1.45 * 10^24
x = 1.45 * 10^24 / 6.02 * 10^23
x = 2.41 mols of carbon
You might be interested in
Baking soda has a pH of 8. Its a(n) _________ substance
Stolb23 [73]

Answer:

it's an acid

Explanation:

because itis soda

4 0
3 years ago
How much heat is gained when a 50.32g piece of aluminum is heated from 9.0°c to 16°c
Rashid [163]

Answer: 317 joules

Explanation:

The quantity of heat energy (Q) gained by aluminium depends on its Mass (M), specific heat capacity (C) and change in temperature (Φ)

Thus, Q = MCΦ

In this case,

Q = ?

Mass of aluminium = 50.32g

C = 0.90J/g°C

Φ = (Final temperature - Initial temperature)

= 16°C - 9°C = 7°C

Then, Q = MCΦ

Q = 50.32g x 0.90J/g°C x 7°C

Q = 317 joules

Thus, 317 joules of heat is gained.

5 0
3 years ago
Read 2 more answers
Assume that your electrical power company gets its energy from a hydroelectric dam. Outline all of the energy changes that occur
Rina8888 [55]

Answer:

See explanation.

Explanation:

This isn't chemistry. Its physics. Kinetic energy (water) to electric energy (dam) as the hydroelectric dam works. Then, as the current travels from the plant to your crib, electric energy to heat energy (wire resistance). Then when you are using the dryer electric energy to heat energy (hot air) and sound energy (air particles vibrate due to the heat energy).

5 0
2 years ago
How does the level of organization relate to cells? To organ systems?
kotegsom [21]
Cells make up tissues, Tissues make up Organs, and Organs make up Organ Systems.
4 0
3 years ago
Read 2 more answers
Substances that have a define size and shape and vibrating particles that are close together are​
Mazyrski [523]

Substances that have a define size and shape and vibrating particles that are close together are called Solid.

Explanation:

There are three states of matter - solid, liquid and gas.

Lets talk about solid state in detail.

In solid particles are closely packed and so they have very less or no space to move which results in vibrating particles. This results in solid substances having a fixed shape and volume.

The particles have very little space in between them, so it is not easy to compress solid.

There is no free space for particles to slide over each other, which does not allow solids to flow.

Also, particles in solid have a regular arrangement, they are not randomly packed.

7 0
3 years ago
Other questions:
  • Which statement describes a scientific law?
    15·2 answers
  • Balance the following redox reaction if it occurs in H2SO4. What are the coefficients in front of C3H8O2 and H2SO4 in the balanc
    15·1 answer
  • Calculate the change in ph when 3.00 ml of 0.100 m hcl(aq) is added to 100.0 ml of a buffer solution that is 0.100 m in nh3(aq)
    5·1 answer
  • Sugar is stirred into water to forma a solution. In this case, what names do we give to the sugar and water?
    10·1 answer
  • The charges and sizes of the ions in an ionic compound affect the strength of the electrostatic attraction holding that compound
    15·1 answer
  • What is the charge of an aluminum ion? (2 points) Select one: a. 2+ b. 3+ c. 2- d. 3-
    8·1 answer
  • Susan needs to simplify the expression shown below what should be her first step
    10·1 answer
  • How much<br>much hydrogen gas evolved<br>when 1.5 current is passed through water for 1.5 hours?​
    15·1 answer
  • I smell onions.
    9·2 answers
  • A process of beacoming better suited to its environment
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!