Which of the following statements is/are CORRECT? Specific heat capacity is a po

Question

Which of the following statements is/are CORRECT? Specific heat capacity is a positive value for liquids and solids and a negative value for gases. The larger the heat capacity of an object, the more thermal energy it can store. When heat is transferred from the surroundings to the system, q is negative. 1 only 2 only 3 only 1 and 2 1, 2, and 3 What volume of oxygen will react with 21 mL of ethanol, assuming the gases arc present at the same temperature and pressure? 2 CH_3CH_2OH(g) + 6 O_2(g) rightarrow 4 CO_2(g) + 6 H_2O(g) 42 mL 14 mL 63 mL 21 mL 7.0 mL Place the following gases in order of increasing average velocity at 300 K: Ar, CH_4, N_2, and N_2O. N_2O

Explanation / Answer

1. answer is B (2 only)

- Specific heat capacity is a positive value for liquids and solids and a negative value for gases = False

- The larger the heat capacity of an object, the more thermal energy it can store = True

- When heat is transferred from the surroundings to the system, q is negative = False, it will be positive because its gaining heat.

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