6. Differentiate between heat and temperature A. Temperature is a measure of hea

Question

6. Differentiate between heat and temperature A. Temperature is a measure of heat intensity and heat is a form of energy B. Temperature is a form of energy and heat is the intensity of the measurement. C. Heat must be determined in order to measure temperature. D. Heat and temperature are forms of energy, and there is no difference between them. 7. Which one of the following has a higher temperature? A (G) glass of boiling water or a large (B) bucket of boiling water. Explain. A. Glass. Less volume, condenses the heat making the temperature higher B. Bucket. There is greater mass making the temperature higher C. Bucket. The greater the mass the more heat content and therefore the higher the temperature. D. Neither. They have the same temperature of 100 °C 8. If, as a pioneer, you wished to warm your room by using an object heated on top of a pot-bellied stove, which of the following 15-pound objects, each heated to 100°C, would be the best choice, and why? Substance Specific Heat (J gl K1 Iron Co Granite Gold Water 0.450 0.387 0.79 0.129 4.18 9. Consider the following reaction: CH30H (g) C0(g) + 2 H2(g) Is the reaction exothermic or endothermic? How do you know? Draw an enthalpy diagram for this reaction. 10. Work can be calculated using pAV. A balloon filled with gas expands under a constant pressure of 0.2 kPa, from a volume of 5.0 L to 10.0 L a. How much work is being done? b. Is the system or the surroundings doing the work, and how do you know?

Explanation / Answer

Q6

heat = extensive, depends on mass, it also is a transport energy

Temperautre= average kinetic movement of molecules, intensive properties

therefore

a) TRUE, T is quality of heat

b) temperature is NOT enregy,false

c) not really, we cna do it via velocity

d) T is not energy, false

Q7

higher T --> depends on stage

boiling water --> 100°C

therefore,

neither, since both are in the SAME T

Q8

choose the one with most specific heat, so it has MORE hea tcontent

choos water

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