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
rodikova [14]
3 years ago
12

Help!! < PHYSICAL SCIENCE>

Chemistry
1 answer:
Vlad1618 [11]3 years ago
3 0
The answer is B or the second answer
You might be interested in
How many moles of helium are 8.84×1024 atoms of He?
insens350 [35]

Answer:

14.68 moles of He

Explanation:

To do this, just remember Avogadro's Constant or Avogadro's number. This constant tells us how many units ( in this case atoms) there are in a mole of ANY type of substance.

Avogadro's constant is 6.022140857 × 10²³ units per mole.

Now that we know how many atoms there are in 1 mole, we can use this as our conversion factor.

8.84 x 10²⁴ atoms of He →  moles of He

8.84\times10^{24} atoms of He\times\dfrac{1moleofHe}{6.022140857\times10^{23}atomsofHe}=14.68molesofHe

So the answer would be:

14.68 moles of He

4 0
2 years ago
An airplane model is an example of what type of model
Ksju [112]
TL;DR: The make of an aircraft is the name of the designer (for example, Boeing) and the model of an aircraft (also called the type) is the designation for the general design of the aircraft (for example, 737). It looks like "basic model" is just an older term for "model".
7 0
2 years ago
Which type of heat island is
icang [17]

Answer:

a fast moving heat island

Explanation:

cause there is a high amount of heating molecule produced.

3 0
2 years ago
Help<br><br> How are nuclear reactions different from chemical reactions?
Natasha_Volkova [10]

Answer:

Nuclear reactions involve a change in an atom's nucleus, usually producing a different element. Chemical changes involve only a rearrangement of electrons.

Explanation: Hope this helps

Brainliest?

4 0
3 years ago
Read 2 more answers
HELPPPPP!!
tigry1 [53]

Answer:

i promise you it's b

Explanation:

its not a or d because gasses are on the right side, its not d because metals are not brittle, and it's not c because theyre good conducters not insulators

3 0
2 years ago
Read 2 more answers
Other questions:
  • WHO CAN HELP ME?!?!?!?!
    15·1 answer
  • How is the mass of carbon related to the mole?
    6·1 answer
  • A circuit is shown in the picture above. Energy is transferred first from the battery to the circuit wire and then from the circ
    14·2 answers
  • A gas is initially at a pressure of 0.43 atm, and a volume of 11.7 liters. Then the pressure is raised to 3.61 atm and the volum
    12·2 answers
  • The horse achieved its highest status during the___________dynasty (618-906 CE), a time of unparalleled political, artist, and c
    14·1 answer
  • Each polysaccharide tested gives different color results with the iodine test ​
    7·1 answer
  • Select the correct answer.
    5·1 answer
  • What is the shape of graphite​
    5·1 answer
  • The theory of _______ of matter states that cannot be created or destoryed
    9·1 answer
  • 5. What is a chemical equation? What are the essentials of a chemical equation? What information is conveyed by a chemical equat
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!