1. Fill in the bubble for letter \"A\" for Question 1 on your Scantron sheet. Ch
ID: 876546 • Letter: 1
Question
1. Fill in the bubble for letter "A" for Question 1 on your Scantron sheet. Ch6 41. How much heat in joules will it take to raise the temperature of a 100.0 g piece of copper from 18 C to 35°C? The specific heat capacity of copper is 0.385 J/(g °C). (a) 0.66 J 6.5 x 102 J (c) 4.4 x 10 J (d 1.1 x 104 J (e) 2.2 x 10 J Ch6#2. When 2.060 g of titanium is combusted in a bomb calorimeter, the temperature of the calorimeter increases from 25.00 C to 91.60 C. In a separate experiment, the heat capacity of the calorimeter is measured to be 9.84 kJK. The heat ofreaction for the combustion of a mole of Ti in this calorimeter is /mol. (a -1.52 x 104 bo -311 (c) -0.154 (d 14.3 (e) 19.6 Ch6 3. Ten grams of which of the following substances (with specific heat capacity provided would show the greatest temperature change upon absorbing 100.0 J of heat? (a) H20 (4.18 J/g C (d) ethanol (2.42 C) (e) Pb Ch6 44. What will be the change in enthalpy when 100.0 g of butane, C4H10, is bumed in oxygen as shown in the thermochemical equation below? 2 C4HioCD 13 O20g 8 co20g)+ 10 H20(g) AH 5271 kJ (a) -1.817 x 10 kJ -9087 kJ (c)-4534 kJ (d)-2636 kJ Ch645. According to the following thermochemical equation, what mass ofHFmust react in order to produce 345 k of energy? Assume excess Sio2. SiO2(s) 4 HF(g) SiF40g) 2 184 kJ (a) 37.5 g (b) 42.7 g (c) 107 g (d) 1.50 x 102 g (e) 173 gExplanation / Answer
1. (b)
2. ((d)
3. (e)
4. (c)
5. (d)
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