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
Vikki [24]
3 years ago
8

For the Earth's atmosphere, section number two in the pie graph BEST represents the percentage of A) argon B) oxygen C) nitrogen

D) carbon dioxide.
Chemistry
1 answer:
larisa86 [58]3 years ago
3 0

-<u><em>Oxygen</em></u>

According to Google these are the percentages of the <em>Earths Atmosphere</em>

<em>1</em> 78% - Nitrogen

<u>2</u> 21% - Oxygen

<em>3</em> 0.9% - Argon

<em>4 </em>0.3 - Carbon Dioxide with very small percentage of other elements.

You might be interested in
Your friend cuts his sandwiches in half diagonally because then he gets twice as much
Tcecarenko [31]

Answer:

It is still one sandwich it doesn't become twice the size just because you cut it, it just becomes one sandwich cut into two

Explanation:

6 0
3 years ago
Read 2 more answers
Write the word and balanced chemical equations for the reaction between:
lesantik [10]

Answer:

Potassium hydroxide + Hydrochloric acid → Potassium chloride + Water.

7 0
2 years ago
Read 2 more answers
The water bottle contains 575 grams of water at 80°C. The water eventually cools to
Jet001 [13]

Answer:

–23000 Calories.

NOTE : The negative sign indicates that heat has been loss to the student back.

Explanation:

The following data were obtained from the question:

Mass (M) of water = 575 g

Initial temperature (T1) = 80 °C

Final temperature (T2) = 40 °C

Heat (Q) transferred =.?

Next, we shall determine the change in temperature (ΔT).

This is illustrated below:

Initial temperature (T1) = 80 °C

Final temperature (T2) = 40 °C

Change in temperature (ΔT) =?

Change in temperature (ΔT) = T2 – T1

Change in temperature (ΔT) = 40 – 80

Change in temperature (ΔT) = –40°C

Finally, we shall determine the heat transferred. This can be obtained as follow:

Mass (M) of water = 575 g

Change in temperature (ΔT) = –40°C

Specific heat capacity (C) of water = 1 Cal/g°C

Heat (Q) transferred =.?

Q = MCΔT

Q = 575 × 1 × –40

Q = –23000 Calories

NOTE : The negative sign indicates that heat has been loss to the student back.

8 0
3 years ago
Which response is a positive way to manage stress?
Xelga [282]

Answer: Eating healthy is a postive way

Explanation:

6 0
3 years ago
If the Temperature exerted on a sample of gas is increased from 273K to 410K, and the initial pressure is 1.3317 atm what is the
dsp73

Answer: 2.00 atm

Explanation:

P1/T1 = P2/T2

1.3317/273 = P2/410

P2 = 2.00 atm

8 0
3 years ago
Other questions:
  • What mass of a .413% KCN solution contains 545 mg of KCN?
    10·1 answer
  • What is the reducing agent in the following reaction? <br><br> 2Na + 2H2O → 2NaOH + H2
    15·2 answers
  • I don’t know how to do this
    13·1 answer
  • In your reactions, you diluted the provided stock concentration of ADH for your alcohol. Calculate the actual ADH concentration
    12·1 answer
  • Balance the equation for <br> __Ca+__Pb(NO3)2—__Pb+__Ca(NO3)2
    13·1 answer
  • Can someone help me on this one?
    8·1 answer
  • During one part of the water cycle, heat from the Sun causes liquid water to change into water vapor, which rises into the atmos
    8·1 answer
  • What is the wavelength of a 2.99 Hz wave?
    15·1 answer
  • Help someone pls and thank u
    13·2 answers
  • Liquid carbon disulfide reacts with oxygen gas, producing carbon dioxide gas and sulfur dioxide gas. Give me the skeleton equati
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!