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
VMariaS [17]
3 years ago
12

How many molecules are in 18moles of CH.​

Chemistry
1 answer:
-Dominant- [34]3 years ago
8 0

Answer:

1.08 x 10²⁵molecules

Explanation:

From the mole concept we know that ;

      1 mole of any substance contains 6.02 x 10²³ molecules

This number is the Avogadro's number.

 So;

  18 mole of CH will contain:

       Number of molecules of CH  = 18 x 6.02 x 10²³ = 1.08 x 10²⁵molecules

The number of molecules is therefore 1.08 x 10²⁵molecules

You might be interested in
All matter can be classified by their physical properties. Which substance can be classified as being soluble in water
My name is Ann [436]
The substance that can be classified as being soluble in water would be salt. The solution is D. Salt specifically is composed of ions and the ionic compound dissociates within water.
4 0
3 years ago
What is the mass of a liquid that has a volume of 50.0ml and a density of 2.40g/ml?
Iteru [2.4K]

Answer:

120g Using Density Equation.

Explanation:

Density =mass/volume

We need to the solve for the mass.

Mass=Density * Volume

Mass= 2.40 g/ml * 50.0 ml = 120g

5 0
3 years ago
Organisms are classified into different kingdoms based on?...
Naily [24]

Answer:

Food and cell type

Explanation:

Kingdoms are by far the most basic legal structure for living objects. Living objects are classified into realms depending on how they consume food, the kinds of cells that produce their bodies, and the total type of tissue in their bodies.

6 0
3 years ago
Mercury may have lost part of its mantle and crust to a _______ leaving it with a large, metal _______.
igomit [66]
<h2>Giant impact and metalcore.</h2>

Explanation :

  • Mercury has a large core of liquid metal.
  • The metal core is of iron metal.
  • The core is surrounded by a mantle which is made up of silica and a solid outer crust.
  • In the case of Mercury, the total core percentage is 42% of the planet while the Earth's core is only 17% of the planet.
  • Mercury has lost part of its mantle and crust that left the mercury with a large metal core.

3 0
3 years ago
An alpha particle is equivalent to the nucleus of an atom of which element?(1 point)
Monica [59]

Answer: An alpha-particle is identical to the nucleus of a normal (atomic mass four) helium atom i.e. a doubly ionised helium atom. Alpha particles (also termed alpha radiation or alpha rays) was the first nuclear radiation to be discovered, beta particles and gamma rays were identified soon after.

7 0
3 years ago
Other questions:
  • d. Still worried that the tea party will last too long, the lawyer makes sure each guest has a spoon. Give a scientific reason w
    8·1 answer
  • How does temperature affect the rate of photosynthesis?
    6·1 answer
  • How doi find half years
    6·1 answer
  • Are these right? Please help
    11·1 answer
  • ) A vehicle owner fuels his/her car with pure octane. What quantity of CO2 (in kg) goes into our atmosphere in one year of their
    10·2 answers
  • A student placed equal volumes of honey and of water in two, identical, open dishes, and left them at room temperature for 8 hou
    12·2 answers
  • What type of molecule is shown below?
    7·1 answer
  • Can you store cuso4 in an aluminum container? explain your reasoning
    9·1 answer
  • What is the number of moles in each of the following? 6 x 10^22 ions of sodium chloride
    5·1 answer
  • Is O2 in SO2 peroxide or not ?​ if it's not why ?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!