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crimeas [40]
3 years ago
10

Which question can be answered by science A:which type of candy taste best B:which kind of backpack do students purchase most of

ten C:why are children happy when they get home D:why should we help those less fortunate than us
Chemistry
1 answer:
sveticcg [70]3 years ago
3 0

Answer:B: Which type of backpack do students purchase most often

Explanation:   The right answer is B. because its a question you can graph informational data about, unlike any other answer. Hope this helped!

 

    ~Emilie Greene

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In the sun, hydrogen is converted to ____________________ through nuclear fusion.
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Answer:

Helium

In the sun, hydrogen is converted to __<u>Helium</u>__ through nuclear fusion.

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Balance the following equation by providing the correct coefficients C2H6 + O2 -&gt; CO2 + H2O
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2 C2H6 + 7 O2 ➡️ 4 CO2 + 6 H2O
7 0
2 years ago
There is a mixture of three gases. We know the total pressure is 2.50 atmosphere and the pressure of the oxygen and the nitrogen
Viktor [21]

Answer:

1.14 atm and 1.139 mol

Explanation:

The <em>total pressure</em> of the container is equal to the <u>sum of the partial pressure of the three gasses</u>:

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Now we <u>solve for the pressure of carbon dioxide</u>:

  • Pcarbon dioxide = 1.14 atm

To c<u>alculate the number of CO₂ moles </u>we use <em>PV=nRT</em>:

  • P = 1.14 atm
  • V = 25.0 L
  • n = ?
  • R = 0.082 atm·L·mol⁻¹·K⁻¹
  • T = 32 °C ⇒ 32 + 273.16 = 305.16 K

1.14 atm * 25.0 L = n * 0.082 atm·L·mol⁻¹·K⁻¹ * 305.16 K

  • n = 1.139 mol
5 0
3 years ago
What carries electric current from the cell to the other components of a circuit.​
Rasek [7]

Answer:

The different objects that make up a circuit are called components. A circuit must have a power source, such as a battery, and the current flows through a conductor, such as a wire.

Explanation:

I hope that was useful.

3 0
3 years ago
1.Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms then Name t
mihalych1998 [28]

Answer:

How many of each kind of atom is in one molecule of water? 1 hydrogen atom and 2 oxygen atoms 1 hydrogen atom and 1 oxygen atom 2 hydrogen atoms and 1 oxygen atom 2 hydrogen atoms and 2 oxygen atoms

Explanation:

1.Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms then Name the two molecules you drew.

7 0
3 years ago
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