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
a rescue helicopter lifts a 60 kg person straight up by means of a cable the person has an upward acceleration of 070
so2 and o2 react together to form so3 the resulting reaction mixture is an equilibrium involving all three compounds
question 1on the income statement the amount of sales returns and allowances is normally aadded into selling expenses
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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