subject
Chemistry, 19.06.2021 01:00 bear342

Which of the following explains the high boiling point of water?
a Surface tension
b Polarity
C Capillary action
d Hydrogen bonding

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 05:00
You mix the pks of succinic acid are 4.21 and 5.64. how many gramsa graduate student at sdsu wants to measure the activity of a particular enzyme at ph 4.0. to buffer her reaction, she will use a buffer system based on one of the acids listed below, which acid is most appropriate for the experiment? of monosodium succinate (fw = 140 g/mol) and disodium succinate (fw = 162 g/mol) must be added to 1 l of water to produce a solution with a ph 5.28 and a total solute concentration of 100 mm? (assume the total volume remains 1 liter, answer in grams monosodium succinate, grams disodium succinate, respectively.) volumes of 0.05 m nah2po4 and 0.05 m na2hpo4 (pk's for phosphoric acid are 2.15, 6.82 and 12.38). which of the following best describes the resulting solution?
Answers: 2
question
Chemistry, 22.06.2019 06:40
Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine
Answers: 1
question
Chemistry, 22.06.2019 06:40
Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.
Answers: 3
question
Chemistry, 22.06.2019 14:30
Consider the reduction reactions and their equilibrium constants. cu+(aq)+eβˆ’β†½βˆ’βˆ’β‡€cu(s)pb2+(aq)+2eβˆ’β†½βˆ’βˆ’β‡€pb(s)fe3+(aq)+3eβˆ’β†½βˆ’βˆ’β‡€fe(=6.2Γ—108=4.0Γ—10βˆ’5=9.3Γ—10βˆ’3 cu + ( aq ) + e βˆ’ ↽ βˆ’ βˆ’ ⇀ cu ( s ) k =6.2Γ— 10 8 pb 2 + ( aq ) +2 e βˆ’ ↽ βˆ’ βˆ’ ⇀ pb ( s ) k =4.0Γ— 10 βˆ’ 5 fe 3 + ( aq ) +3 e βˆ’ ↽ βˆ’ βˆ’ ⇀ fe ( s ) k =9.3Γ— 10 βˆ’ 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
You know the right answer?
Which of the following explains the high boiling point of water?
a Surface tension
b Po...
Questions
question
English, 01.09.2019 17:30