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
REY [17]
2 years ago
15

How many moles are in 22 grams of argon

Chemistry
2 answers:
Strike441 [17]2 years ago
6 0
<span>number of moles are the amount of substance of an element .
number of moles can be calculated as follows;
number of moles = mass present / molar mass of element
molar mass of Ar - 40 g/mol
number of moles of Ar = 22 g / 40 g/mol = 0.55 mol .
there are 0.55 mol of Ar</span>
ASHA 777 [7]2 years ago
3 0

Explanation:

It is known that number of moles equal mass divided by molar mass.

Mathematically,  Number of moles = \frac{mass given}{molar mass}

Since, it is given that mass is 22 grams and molar mass of argon is 40 g/mol.

Therefore,  Number of moles = \frac{mass given}{molar mass}

                                                 = \frac{22 g}{40 g/mol}

                                                 = 0.55 mol

Thus, we can conclude that there are 0.55 moles in 22 grams of argon.

You might be interested in
Which of the following represents the greatest number of atoms?
forsale [732]
The correct option is B. To get the number of atom for each compound, each element in the compound will be counted as an atom. For instance, for Fe[ClO4]2, there are 1 atom of Fe, 2 atoms of Cl, and 8 atoms of O, making a total of 11 atoms [1 + 2 + 8= 11]. The other options have less than 11 atoms. 
7 0
3 years ago
Is the osmosis egg challenge a chemical reaction?
Vikki [24]

Answer:

Answer is C because in exothermic reactions, energy releases.

in Cellular respiration,

ATP+H20 (water) = ADP+ Pi + Energy

So celullar respiration is exothermic and releases energy

6 0
3 years ago
Read 2 more answers
While you are using a battery, the cell reaction is going a) forward, b) backward, c) at equilibrium, d) TEXASIN all possible
polet [3.4K]

Answer:Cell reaction is going forward.

Explanation:

For any chemical reaction to be spontaneous or to move in forward direction the ΔG ,the Gibbs free energy must be negative.

The cell potential of a battery is positive for a spontaneous reaction, so for a battery to give output its cell potential must be positive.

Thermodynamics and electro-chemistry are related in the following manner:

ΔG=-nFE

n=number of electrons involved

F=Faradays constant

E=cell pottential of battery

so from the above equation ΔG would only be negative when E cell that is the cell potential is positive.

For a battery which is being used its cell potential is positive and hence the ΔG would be negative. So the cell reaction occurring would be in forward direction as ΔG is negative.

when the cell potential Ecell is 0 then ΔG is also zero then the reaction occurring in battery would be at equilibrium.

When the cell potential Ecell is - then ΔG is positive and the reaction would be occurring backwards.

3 0
3 years ago
Why is mRNA able to leave the nucleus and not DNA?
valentina_108 [34]
Mrna is a single strand but DNA is a double helix. (mrna is smaller)
8 0
2 years ago
1. You have three molecules of glucose (3C6H12O6). How many carbon atoms do you have?. . A. 3. . B. 6. . C. 18. . D. 36. 2. Whic
Leviafan [203]
One molecule of glucose has 6 carbon atoms. So if you have three molecules of glucose, simply multiply 3 by 6 carbon atoms. The correct answer is C. 18 Carbon atoms. 

The correct answer for the second questions is C. Air. A homogenous mixture is a mixture in which its components are uniformly distributed throughout the mixture. It has a sigle phase.
3 0
3 years ago
Read 2 more answers
Other questions:
  • HOW MANY M ARE IN 3.0X105 MM?
    7·1 answer
  • Two methanol-water mixtures are contained in separate tanks. The first mixture contains 40.0 wt% methanol and the second contain
    14·1 answer
  • The number of protons in an uncharged atom _____. the number of protons in an uncharged atom _____. determines its mass number e
    9·1 answer
  • What is molar concept​
    6·1 answer
  • A molecule contains four bonded pairs of electrons and zero lone pairs. What is the name of the molecular geometry?
    7·1 answer
  • Convert 41 years into seconds.
    10·1 answer
  • What are some examples of forced convection
    11·1 answer
  • A hiker climbs a hill. How does the potential energy of the hiker change as she climbs higher?
    14·1 answer
  • Plzz help meee asapp
    8·1 answer
  • Which of the following lists the correct symbol for the ion that tin forms when it loses 2 electrons, the correct classification
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!