Chemistry 101: Gases Quiz
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Questions and Answers

What is the most compressible state of matter?

  • Solids
  • Gases (correct)
  • Plasmas
  • Liquids

Which substances exist as gases at 25°C and 1 atm?

  • CO and CO2 (correct)
  • Fe and Mg
  • H2O and NaCl
  • C6H12O6 and C7H16

What is the SI unit of force?

  • Pascal (Pa)
  • Torr
  • mmHg
  • Newton (N) (correct)

Why do ionic compounds not exist as gases at 25°C and 1 atm?

<p>Due to electrostatic forces between cations and anions (B)</p> Signup and view all the answers

What is the unit of pressure equivalent to 1 N/m^2?

<p>Pascal (Pa) (A)</p> Signup and view all the answers

What is the most compressible state of matter?

<p>Gas (D)</p> Signup and view all the answers

Which compounds exist as gases at 25°C and 1 atm?

<p>CO, CO2, HCl, NH3, and CH4 (B)</p> Signup and view all the answers

What is the SI unit of pressure?

<p>Pascal (Pa) (C)</p> Signup and view all the answers

Why do ionic compounds not exist as gases at 25°C and 1 atm?

<p>Due to electrostatic forces between cations and anions (B)</p> Signup and view all the answers

What is the unit of pressure equivalent to 1 atm?

<p>760 mmHg (D)</p> Signup and view all the answers

Why do ionic compounds not exist as gases at 25°C and 1 atm?

<p>Due to the strong electrostatic forces between cations and anions. (C)</p> Signup and view all the answers

What physical characteristic of gases allows them to mix evenly and completely when confined to the same container?

<p>Assuming the volume and shape of their containers (A)</p> Signup and view all the answers

What is the SI unit of force?

<p>Newton (N) (C)</p> Signup and view all the answers

What is the unit equivalent to 760 mmHg in terms of pressure?

<p>1 torr (B)</p> Signup and view all the answers

Which substances exist as gases at 25°C and 1 atm?

<p>CO, CO2, HCl, NH3, CH4 (A)</p> Signup and view all the answers

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