Which two temperature scale has 100 degrees or units belween boiling points? 31.
ID: 294343 • Letter: W
Question
Which two temperature scale has 100 degrees or units belween boiling points? 31. freezing and a) Fahrenheit and Celsius b) Celsius and Kelvin c) Kelvin and Fahrenhet d) Fahrenheit and Amera 32. Which expands between 0 C and 4° C? a) Glucose b) Oxygen c) Water d) Carbon dioxide 33. Which one of the folowing is not a method of heat transfer? a) conduction b) convection c) radiation d) momentum 34. Which term has to do with the dispersal of energy? a) density b) entropy c) mass d) volume 35 Air is 78% a)oxygen b) nitrogen c) carbon d) hydrogen 36. Which one is not a mixture? a) Tap water b) Air c) Chlorine gas d) Mix green salad 37. Which method of heat transfer involves solids? a) conduction b) convection c) radiationExplanation / Answer
31) b) celsius and kelvin
the difference of freezing point and boiling point of water is 100.
32) water
at 4 deg.celsius water has highest density, that means lowest volume, if we heat or cool, water start to expand
33) momentum
all other three are a method of heat transfer, momentum is the product of mass and velocity.
34)entropy
entropy is a measure of the energy dispersal at a particular temperature.
35) nitrogen
air contains 78% nitrogen and 21% oxygen and 0.93% argon.
36)chlorine gas
37)conduction
in solids heat transfer to the adjacent atoms, or molecules.
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