1. Part A
Questi
Based on its use throughout the passage, what is the meaning of the term
carbonized?
A.
coated with carbon due to fire
о O
С
а
B.
made smaller and finer through heat
C.
turned into carbon by exposure to air
D.
reacted to heat due to exposure to oxygen

What are the similarities of physical and chemical change ?

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘