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
stellarik [79]
3 years ago
13

I really need help with this!

Chemistry
1 answer:
Lady bird [3.3K]3 years ago
8 0

Answer:

Explanation:

The answers are all written in the attachment below. Pardon the writing

You might be interested in
Describe a storm?<br> PLZ hurry!!
Leviafan [203]
Tons of wind, rain, thunder. Stuff like that.
6 0
2 years ago
Read 2 more answers
What is the correct scientific notation for 640,000,000? Question 5 options: 6.4X10^8 6.4X10^10 64X10^10 640X10^8
N76 [4]
For very large numbers, it is much more convenient to use scientific notation. To do this, detect first the position of the decimal point. For whole numbers, the decimal point is place implicitly after the very last digit. Then, move this decimal point to the left until you reach to the last digit. In this case, you moved 8 places until you reach 6.4. Because the number is more than 1, the exponent would have a positive sign. Hence, the scientific notation would be 6.4×10⁸.
5 0
3 years ago
How many molecules are in CH4
Aleonysh [2.5K]

Answer:

The number of molecules in CH4, also known as methane, is merely 0.85 * 6.02210 * 10 ^ 23 (Avogadro's Number). This amounts to <em><u>approximately 5.1 * 10 ^ 23 molecules</u></em><u> with the correct number of significant figures</u>.

6 0
3 years ago
How do we know the car has moved
Anuta_ua [19.1K]

Answer:

We need more information to solve this question. Take a picture of the problem and post it and I will try to help.

Explanation:

8 0
3 years ago
602 hexillion hydrogen atoms is equal to _____ mole of hydrogen atoms.
irina1246 [14]

IT IS EQUAL TO 5 MOLE OF HYDROGEN ATOMS


8 0
2 years ago
Other questions:
  • What is the name for CrN:
    5·2 answers
  • t physiological pH, the carboxylic acid group of an amino acid will be ________, while the amino group will be ________, yieldin
    5·1 answer
  • The compound Ba(NO3)2 includes _____ oxygen atoms.<br> 6<br> 3<br> 5<br> 2
    5·2 answers
  • a teacher uses a bow and arrow to demonstrate accuracy and precision. she shoots several arrows, aiming at the exact center of t
    7·1 answer
  • What is the best conductor of heat​
    10·2 answers
  • Do regular Ritz crackers have lipids, glucose, protein, or starch?
    6·2 answers
  • The reactants in a chemical equation have 3 carbon atoms, 6 oxygen atoms, and 4 hydrogen atoms. In order to follow the conservat
    5·1 answer
  • Part E
    9·1 answer
  • Pairs
    15·1 answer
  • 7. Complete the concept map below.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!