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
Alexus [3.1K]
3 years ago
15

Help with this too!!!!!

Chemistry
1 answer:
krek1111 [17]3 years ago
7 0

Answer:

4 2He

Explanation:

Please see attachment for explanation

You might be interested in
The compound Fe₂O3contains how many atoms?<br> 2<br> 3<br> 5<br> 7
BaLLatris [955]

Answer:

5

Explanation:

in this compound:

Fe has 2 atoms

oxygen has 3 atoms

4 0
2 years ago
5.0 x 10^24 molecules equal
Ratling [72]
<span>4.999999999999999e</span>+<span>24 this is what i got on the calculator but i dont know if its right.</span>
8 0
3 years ago
Which of the following [H+] values describes the most basic (alkaline) solution?
Aleks04 [339]
The H+ concentration that would best describe a basic solution would be the one having values less than 10^-7. The pH of a solution is related to H+ concentration by pH = -log[H+]. Therefore, as the concentration of H+ decreases the alkalinity would rise. 
4 0
3 years ago
On a heating curve, in which section(s) would you use the equation, Q=mCΔT, to calculate the total heat required?
lana [24]

Answer:

69.420 b=99699969

6 0
3 years ago
Read 2 more answers
Quiz the solubility constant of your compound depends on the amount of hydrogen bonds formed between the compound molecules and
FromTheMoon [43]
Whats the question? I need to know to help....
5 0
3 years ago
Other questions:
  • What would happen if fertilizer ran into the lake where these plants, fish, and eagles live?
    12·1 answer
  • What is the mass percent of oxygen in sodium bicarbonate (NaHCO3)?
    15·1 answer
  • How do you draw acetone using a Bohr model?
    9·1 answer
  • 6. Which specific processes in the rock cycle occur beneath the Earth's surface?
    14·1 answer
  • Which of the following would result if the gases that are responsible for the greenhouse effect were removed from our atmosphere
    7·1 answer
  • True are false Selective breeding is a type of genetic engineering.
    6·2 answers
  • Ammonia and oxygen react to form nitrogen and water, like this:
    14·1 answer
  • How many atoms are in one molecule of dinitrogen pentoxide
    9·1 answer
  • Whoever answers first will get brainliest! this is times so pls help!
    14·1 answer
  • A 500.0 g block of dry ice (solid CO2, molar mass = 44.0 g) vaporizes at room temperature. Calculate the volume of gas produced
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!