Chemistry, 18.07.2019 02:40 msjsnell29

Prescribed burns are used to a. clear out undergrowth b. prevent larger forest fires c. manage forests d. all of the above

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Answer from: rhettperkins

D) All Of The Above
I think this is right.

Answer from: meeeekmill

Actually, all of the above. Firefighters have used fires to COMBAT forest fires, as the controlled fire they set will suck out all the oxygen, which is what bigger fires need in order to continue, and if they can't get it, they'll decrease in size. Also, the heat and wind motion from the fire can combat that of the larger fire, if they do it correctly.

You can use prescribed burns to also control and manage forests and to clear out any undergrowth.

Answer is d: All of the above

~Hope this helps!

Answer from: Quest

1.consider the following balanced equation and answer parts a through. show calculations for each part.

3 ag(s) + 4 hno3(aq) → 3 agno3(aq) + no(g) + 2 h2o(l)

a. calculate the number of moles of agno3 produced by the reaction of 3 moles of ag with excess hno3. if the number to the left of the compound represents the number of moles of the compound which are present, then 3 moles of ag react with 4 moles hno3 to produce 3 moles agno3 (aq).

so the answer to a would be 3 moles.

b. calculate the number of moles of agno3 produced by the reaction of 108 grams of ag with excess hno3.

i'm not sure how to plug in the grams of silver into an equation using moles to find how many moles are produced.

c. calculate the number of grams of agno3 produced by the reaction of 108 grams of ag with excess hno3

d. calculate the number of moles of no produced as a byproduct of the reaction of 108 grams of ag with excess hno3.

e. calculate the number of grams of no produced as a byproduct starting with 108 grams of ag and excess hno3.

explanation:

Answer from: Quest

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

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