What will be the values of temperature and pressure at standard condition (SIP).
Correct answer: C. 273 K, 760 mm Hg
- A. 100°C, 1 atm
- B. 298 K, 1 atm
- C. 273 K, 760 mm Hg
- D. 0°C, 760 cm Hg
Explanation
Standard conditions for temperature and pressure (STP) in chemistry are defined as 273 K (0°C) and 1 atm pressure, which is equivalent to 760 mm Hg. Option C correctly represents these conditions. Option A suggests the boiling point of water at 1 atm, which is not standard conditions. Option B uses 298 K, a common laboratory reference temperature, but not the standard temperature. Option D has a correct temperature but an incorrect unit of pressure, as 760 cm Hg is not used in standard conditions.
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Mole calculations connect mass, number of particles and Avogadro's number, while balanced equations provide the mole ratios used in stoichiometry. Questions cover limiting and excess reactants, theoretical yield and percentage yield, including identifying which reactant is consumed first and comparing the actual product with the maximum possible product.
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