Aperson opens a 2-liter bottle of cola at a picnic. if the cap is left off the bottle, the cola will become 'flat' or lose it's carbonation. which statement below best summarizes why the cap must be kept tightly in place if the cola is to remain fresh? a) the cap prevents the liquid in the cola from evaporating. b) the cap keeps the atmospheric gases and liquid from mixing in the bottle. c) the cap keeps warm air from entering the two-liter bottle and raising the temperature of the cola solution. d) the cap keeps the pressure of the gas in the bottle at a high level preventing carbon dioxide from leaving the solution.
Answers: 2
Chemistry, 22.06.2019 01:30
In a spacecraft, the following reaction occurs: co2(g) + 2lioh(s) -> lico3(s) + h2o(i) (i attached picture of equation) how many liters of carbon dioxide will 4 moles of lithium hydroxide (lioh) absorb? (one mole of any gads occupies 22.4 l under certain conditions of temperature and pressure. assume those conditions for this equation.) 45l 6.0l 3.0l 34l
Answers: 1
Chemistry, 22.06.2019 03:30
If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.
Answers: 1
Chemistry, 22.06.2019 09:30
Why do cells appear different in distilled water than they do in 10% salt water?
Answers: 2
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