What will be the final temperature of a 35 kg block of
What will be the final temperature of a 3.5 kg block of aluminium (initial temperature = 22oC) after the addition of 2.9 kJ of energy? Specific heat of aluminium = 0.90 Jg-1oC-1 a. 23.3oC b. 22.1oC c. 31.2oC d. 22.9oC
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how many moles of oxygen were used in the combustion of solid naphthalene c 10 h 8 if 51 kj of energy were released to
a power supply has an open-circuit voltage of 350 v and an internal resistance of 200 o it is used to charge two
elemental analysis of a compound containing h b and o gave 13 h and 275 b the molecular weight of the compound is 1573
a long solenoid has 140 turnscm and carries current i an electron moves within the solenoid in a circle of radius 260
what will be the final temperature of a 35 kg block of aluminium initial temperature 22oc after the addition of 29 kj
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a closed system is observed to have 17 objects in it initially the total energy of the system is 4714 j after 17 h have
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