CCl3F has the following data: Boiling point: 23.8 oC
Melting point: -110.5 oC
Specific heat (l): 0.87 J/g .
K Specific heat (g): 0.59 J/g .
K Heat of vaporization: 27.8 kJ/mol
Heat of fusion: 6.89 kJ/mol
What is the energy required to increase the temperature of 100.0 g from 24.9 oC to 58.2 oC?

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol

Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o → k + o2 (b) na + i2 → nai (c) cu(no3 )2 + naoh → cu(oh)2 + nano3 (d) kclo3 → kcl + o2 (e) ca(no3 )2 + hbr → cabr2 + hno3 (f) sn(oh)2 → sno + h2 o (g) p4 + n2 o → p4 o6 + n2 (h) fe + al2 (so4 )3 → feso4 + al (i) alcl3 + na2 co3 → al2 (co3 )3 + nacl (j) c3 h6 + o2 → co2 + h2 o

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled