CTL
Carlos Almanza
ke'
COL TEACHING LEAD
144%
21. Which of the following is...
CTL
Carlos Almanza
ke'
COL TEACHING LEAD
144%
21. Which of the following is not a transformation from chemical energy to thermal
energy?
a, Coal is burned to boil water
b. An electric stove cooking food
C. Food is digested to regulate body temperature
d. Charcoal is burned in a grill
22. During most energy transformations some energy is transformed and released as
which of the following forms of energy?
Answers: 3
Chemistry, 21.06.2019 13:00
What is the h+ concentration for an aqueous solution with poh = 4.01 at 25 ∘c? express your answer to two significant figures and include the appropriate units.
Answers: 1
Chemistry, 22.06.2019 05:50
Calculate the number of molecules present in 0.750 mol of mgo.
Answers: 3
Chemistry, 22.06.2019 07:00
The boiling point of propanoic acid is higher than that of 1-butanol because: propanoic acid has a higher molecular weight than 1-butanol. propanoic acid is more soluble in water than 1-butanol. propanoic acid is a better hydrogen bond donor than 1-butanol. propanoic acid forms hydrogen bonded dimers and 1-butanol does not. 1-butanol forms hydrogen bonded dimers and propanoic acid does not.
Answers: 2
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