m has perature of each substance is measured. The aluminur cooled to 35 °C, while the water has cooled only to 66 °C. Explain this difference. 47. How much heat is required to warm 1.50 L of water from 25.0 °C to 100.0 °C? (Assume a density of 1.0 g/mL for the water.) 48. How much heat is required to warm 1.50 kg of sand from 25.0 °C to 100.0 °C? 49. Suppose that 25 g of each substance is initially at 27.0 °C. What is the final temperature of each substance upon absorbing 2.35 kJ of heat? a. gold b. silver c. aluminum d. water 50. An unknown mass of each substance, initially at 23.0 °C, absorbs 1.95 × 103 J of heat. The final temperature is recorded. Find the mass of each substance. a. Pyrex glass (T = 55.4°C) b. sand (T = 62.1°C) c. ethanol (T= 44.2°C) d. water (T = 32.4°C) 51. How much work (in J) is required to expand the volume of a pump from 0.0L to 2.5 Lagainst an external pressure of 1.1 atm?

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A: The detailed mechanism provided  in attach image

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