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4 years ago

Compare and contrast earth and mars ?

Chemistry

2 answers:

il63 [147K]4 years ago

8 0

Answer:

well lets see

Explanation:

:Earth: has magnetic field and atmosphere life water soil rock land masses oceans marine life and human life it also has diesease and bacteria and death and basic life cycles earth was the cradle for life itself earth also has a moon oxygen and many other gasses such as co2 it go endless of how much i could name that earth has.

:Mars: mars has no liquid water it can be teraformed it has rock and no magnetic field and atmosphere the gravity is either 25-30% on mars making it or us would weigh less on it it has no life at all it has no oxygen its just malny co2 which is leathal to us the water is forzen in the iceaps

what they have in common: they both have water in either way they both can sustain life aslong as you teraform mars they both have land masses mars will soon have a colenie on it it 2024 so it will have people on it mars can support plant life as soon as they teraform some major areas AND endless

Alex17521 [72]4 years ago

6 0

I hope this helps you

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4 years ago

In the reaction between Lithium Sulfate and an excess of Lead (II) Nitrate, how many molecules of Lithium Nitrate can be expecte

siniylev [52]

Answer:

$1.46x10^{23}molecules \ LiNO_3$

Explanation:

Hello,

In this case, the undergoing chemical reaction is:

$Li_2SO_4 + Pb(NO_3)_2 \rightarrow PbSO_4+2LiNO_3$

Thus, since lead (II) nitrate is in excess, we can directly compute the moles of lithium nitrate by applying the 1:2 molar ratio between them in the chemical reaction as well as the molar mass of Lithium Sulfate that is 110 g/mol for the stoichiometric shown below factor:

$n_{LiNO_3}=13.3gLi_2SO_4*\frac{1molLi_2SO_4}{110gLi_2SO_4} *\frac{2molLiNO_3}{1molLi_2SO_4} =0.242molLiNO_3$

Finally, by using the Avogadro's number we are able to compute the molecules:

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