Thermochemistry   THE PRESSURE IN THE SUBSTANCE DRASTICALLY DECREASE FROM 354 TO 21 POUNDS PER SQUARE INCHES (PSI), THE HEAT ENERGY OF THE OPEN SYSTEM REDUCES 555BTU/LB, AND THE VOLUME INCREASES FROM 1 TO 10FT^3/LB.     FIND THE FOLLOWING:    (A) DETERMINE THE WORK PER LB. UNITS:BTU/LB    (B) IS IT DONE ON THE SUBSTANCE OR DONE BY THE SUBSTANCE?    (C) DETERMINE THE WORK IN HP (HORSE POWER) FOR 10LB PER MIN. (1HP = 42.4BTU/MIN). UNITS:HP

Q: Calculate the molar heat capacity of aluminum. 5.0 g block of metal at 99.5 °C was dropped into…

A: Cal/g.K is the units for specific heat capacity.

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Q: mass of zinc:      __30.543g____________                temperature of the zinc:     _100.0…

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Q: When glucose, a sugar, reacts fully with oxygen, carbon dioxide and water are produced: C,H12O6(s) +…

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Q: Consider the following hypothetical reaction: A(g) + B(g) → D(g) AH° = 47.2 kJ Given that the…

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Q: When 1.553 g of liquid hexane (C6H14C6H14) undergoes combustion in a bomb calorimeter, the…

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Q: of water. At the beginning of swimming season, the water must be heated from 20.0oC to 30.0oC. a.…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 412.0 mg sample…

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Q: if you boiled a 15 g piece of metal in water (100C) then put it in a calorimeter containing 20 ml of…

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Q: The system releases 1705 kJ of heat into its surroundings. A work of 3780 kJ is done by the system…

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Q: A 47.5 mL solution of 0.600 M compound A is mixed with an excess of compound B solution at 12.8 C in…

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Q: When a piece of unknown metal weighing 34.70 grams, and at a temperature of 67.60 °C, is placed in a…

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Q: A system does 546 kJ of work and loses 271 kJ of heat to the surroundings. What is the change in…

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A: A material's heat capacity is termed as the quantity of heat needed by unit degrees of Celsius to…

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Q: 6. A hot unknown metal with mass 17.68 grams is transferred from boiling water (98.70 °C) to a…

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Q: A 22.1g piece of aluminum (which has a molar capacity of 24.03 J/oC.mol) is heated to 82.4oC and…

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Q: 2. Solid nitrogen triiodide decomposes explosively to form gaseous nitrogen (N2) and iodine (I2).…

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