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13 Dec 2019

Lithium reacts spontaneously with bromine to produce lithium bromide. Write if 25.0 g of lithium and 25.0 g of bromine are present at the beginning of the reaction,
a. Determine the balanced chemical equation.
b. Determine the mass of lithium bromide produced (theoretical yield).
c. Determine the limiting and excess reactant.
d. Determine the mass of excess reactant

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Elin Hessel
Elin HesselLv2
17 Dec 2019

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Related questions

Part B. Solid lithium hydroxide is used to "scrub" CO2 from the air in spacecraft and submarines; it reacts with the CO2 to produce lithium carbonate and water. What volume in liters of CO2 at 21ร‚ยฐC and 736 torr can be removed by reaction with 439 g of lithium hydroxide? Enter to 3 sig figs.

Part C. The alkali metals react with the halogens to form ionic metal halides. What mass in g of sodium chloride forms when 5.98 L of chlorine gas at 0.841 atm and 26.8ร‚ยฐC reacts with 11.8 g of sodium. Write a balanced chemical equation. Enter to 1 decimal place.


Lithium hydroxide, LiOH, reacts with carbon dioxide to producelithium carbonate, Li2CO3. The chemical equation for this reactionis:
2LiOH(s)+CO2(2)-->Li2CO3(s)+H2O(l)
Carbon dioxide is produced every time a person exhales. Some NASAspacecraft rely on this lithium hydroxide reaction to removeexhaled carbon dioxide from the air inside the spacecraft. Air ispumped through a filter containing lithium hydroxide. Inside thefilter, carbon dioxide is removed from the air when it reacts withlithium hydroxide to produce lithium carbonate.
a) Describe why the amount of lithium hydroxide present limits theamount of time the astronauts can spend in space?
b) Sodium hydroxide, NaOH, reacts the same as lithium hydroxide andis much cheaper. However, sodium hydroxide is about 40 percentheavier than lithium hydroxide. Why do you think NASA uses LiOH onits space missions?

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