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
insens350 [35]
3 years ago
11

How many neon atoms are contained in (7.27x10^2) grams of neon?

Chemistry
1 answer:
statuscvo [17]3 years ago
4 0

Answer: 2.19x10^25 atoms

Explanation:

Molar Mass of Neon = 20g/mol

1mole(20g) of Neon contains 6.02x10^23 atoms.

Therefore, 7.27x10^2g of Neon will contain x atoms i.e

X atoms = (7.27x10^2x6.02x10^23)/20 = 2.19x10^25 atoms

You might be interested in
Low-density polyethylene is formed because _______ polymerization is very unpredictable and difficult to control.
Harlamova29_29 [7]

Answer:

radical-initiated

Explanation:

Radical-initiated polymerization is unpredictable and difficult to control. The reaction proceeds indiscriminately and produces shortened chains, loops, and branches that create holes in the polymer. This reduces its mass to volume ratio.

7 0
3 years ago
Calculate the molar mass of aspirin, C9H8O4
Vladimir79 [104]
Add up all the molar masses of the elements multiplied by the number of atoms each.

Molar mass of carbon = 12.01g
Molar mass of hydrogen = 1.01g
Molar mass of oxygen = 16g

9(12.01) + 8(1.01) + 4(16)
Molar mass of aspirin = 180.17g
8 0
4 years ago
Which of the following is true of group 6A?
USPshnik [31]

Answer:

The answer to your question is: Includes sulfur and gain two electrons

Explanation:

Includes Chlorine  This option is wrong, Chlorine belongs to group VII.

Includes Sulfur  This option is true, Group VI includes Oxygen, Sulfur, Selenium, Tellurium.

Gain 2 electrons . This option is true, Elements in group VI have six valence electrons so they gain to electrons to become estable.

Tend to form +2 ions  This option is wrong, this elements form -2 ions

Have 5 valence electrons This option is wrong, this elements have 6 valence electrons.

7 0
3 years ago
Validate how valence electrons determine the chemical reactivity of an element: give 2 examples of elements with high reactivity
Ostrovityanka [42]
Nitrogen is more reactive than oxygen and oxygen than chlorine
8 0
3 years ago
When a molecule absorbs IR electromagnetic energy, what are the vibrational modes affected
Temka [501]

Answer:

Stretching vibration, and

Bending vibration (Rocking, wagging, Twisting and Scissoring)

Explanation:

  1. Stretching vibration: this causes change in the length of a bond
  2. Bending vibration: this causes change in the angle between two bonds

Bending vibration can occur as rocking, wagging, twisting and Scissoring vibration

2a) Rocking vibration: this causes change in angle between group of the atoms

2b) Wagging vibration: this causes change in angle between the plane of a group of atoms

2c) Twisting vibration: this causes change in the angle between the planes of two groups of atoms.

2d) Scissoring vibration: this causes the movement of two atoms toward and away from each other

5 0
3 years ago
Other questions:
  • When filling a burette for a titration, adjust the burette so that______, preferably over a sink. Then,_______to add the titrant
    10·1 answer
  • Based on their descriptions, classify these chemical changes as endothermic or exothermic.
    9·2 answers
  • A chemist prepares a solution of silver(II) oxide by measuring out 0.0013 of silver(II) oxide into a 100 mL volumetric flask and
    7·1 answer
  • How do I go from molecules to moles? For example 1.50e23 molecules NH3 how many moles are in this problem?
    7·1 answer
  • How many grams of KCl are there for in 10 moles of salt?
    13·1 answer
  • What is the chemical equations for: Steam to<br>hydrogen using buring magnesium.<br>​
    5·1 answer
  • What is the molarity of chloride ion in a solution made by dissolving 1.300g of aluminumchloride in a total volume of 500.0mL?
    9·1 answer
  • Explain how carbon’s bonding ability makes it unique.
    5·1 answer
  • Write the charge and full ground-state electron configuration of the monatomic ion most likely to be formed by each:
    10·1 answer
  • 5.What type of nuclear radiation consists of particles having a positive charge?Select one:a. Betab. Alphac. Gammad. Neutron
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!