Fa08-MT1-SatRev-Probs

# Fa08-MT1-SatRev-Probs - Review Session 1 A circular hole is...

This preview shows pages 1–2. Sign up to view the full content.

Review Session 1. A circular hole is bored through a cubic block of length l 0 and density ρ 0 at temperature T 0 . The temperature is increased until the hole’s diameter is increased by 5%. Given the coeﬃcient of volume expansion, β , ﬁnd the new temperature T . 2. Approximate the earth’s atmosphere as an ideal gas of monatomic molecules. For each air molecule of mass m , h E i = 1 2 m h v 2 i + mgy . For y = 0, h E i = 1 2 m h v 2 0 i at temperature T 0 . Find the temperature T as a function of height for y > 0. 3. Starting from the ﬁrst law, derive TV γ - 1 = const for an adiabatic expansion of an ideal gas. (Hint: use pV = nRT and molar heat capacities; also, the identity C p = C v + R may be helpful, and remember that γ C p C v .) FIG. 1: Reversible 3 4 circular cycle for problem 4. 4. A monatomic ideal gas undergoes a reversible cycle (Fig. 1). Given p 0 , V 0 , and N , ﬁnd: (a) Δ U , (b) W a b , (c) Q a b , (d) Δ S gas , and (e) h Δ K i per molecule (average kinetic energy per molecule). The previous problems were taken from midterm exams given by John Elliott at Riverside City College some number

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 2

Fa08-MT1-SatRev-Probs - Review Session 1 A circular hole is...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online