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Nat2105 [25]
3 years ago
5

Label each statement with its corresponding type of scientific knowledge. law theory fact hypothesis The melting point of ice is

0¬[infinity]C. arrowRight Repeated observations have consistently shown that oppositely charged objects attract each other. arrowRight When the elements carbon and nitrogen are mixed at 1500¬[infinity]C, they will react with each other. arrowRight Atoms are made of protons, neutrons, and electrons. Although we can't directly see these particles, this structure explains many experimental observations. arrowRight
Chemistry
1 answer:
EleoNora [17]3 years ago
3 0

Answer:

Follows are the solution to this question:

Explanation:

  • Fact: In this, the ice is melted at 0 ° C.  
  • law: It is used to repeated experiments consistently showed which objects marked to both the contrary attract each law.  
  • Hypothesis: If carbohydrates and nitrogen are combined at 1500 ° C, they interact with one another.    
  • Theory: Protons, nuclei, or ions are made of Atoms. As these molecules could not be seen explicitly, such legal structure several experimental observations.
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If I have 7.5 L of a gas in a piston at a pressure of 1.75 atm and compress the gas until its volume is 3.7 L, what will the new
Sergio [31]

Answer:

3.55atm

Explanation:

We will apply Boyle's law formula in solving this problem.

P1V1 = P2V2

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P1=initial pressure of gas = 1.75atm

V1=initial volume of gas =7.5L

P2=final pressure of gas inside new piston in atm

V2=final volume of gas = 3.7L

We need to find the final pressure

From the equation, P1V1 = P2V2,

We make P2 subject

P2 = (P1V1) / V2

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P2=3.55atm

Therefore, the new pressure inside the piston is 3.55atm

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