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charle [14.2K]
4 years ago
6

Please help ASAP!!! Will give brainlist :)

Chemistry
2 answers:
Alborosie4 years ago
8 0
(B)
The population will increase due to its natural predators being killed hope this helped
deff fn [24]4 years ago
3 0
A if I’m not mistaking
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Solid magnesium reacts with aqueous Iron(III) chloride to produce aqueous magnesium chloride and solid iron.
luda_lava [24]

Answer:

9÷2Mg2+2FeCl3 =3Mg3Cl2 +2Fe

3 0
4 years ago
How many atoms and ions does lithium sulfite have?
Serhud [2]

Answer:

Hence the<u> ions per mole</u> are:

Li^{+}= 2 ions

SO_{3}^{2-}(aq)= 1 ions

In one mole of Li2SO3 , the number of the atoms are

N_{a}=6.022\times 10^{23}

Explanation:

The formula of  lithium sulfite is Li2SO3.

Li_{2}SO_{3}

It contain Li+ and SO3(2-) ions.This can be represented by :

Li_{2}SO_{3}(s)\rightarrow 2Li^{+}(aq) +SO_{3}^{2-}(aq)

Hence one mole of Li2SO3 will give 2 Li+ ions and 1 SO3 (2-) ion.

Hence the<u> ions per mole</u> are:

Li^{+}= 2 ions

SO_{3}^{2-}(aq)= 1 ions

Number of atoms in  lithium sulfite depends upon the<u> mass of the Li2SO3 present</u> .

Li2SO3 = 93.94 g/mole

This mass is equal to 1 mole of Li2SO3

Now<u> 1 mole</u> of any substance contain Na atoms . This is known as Avogadro Number.

N_{a}=6.022\times 10^{23}

Hence , if 1 mole of Li2SO3 is present then it contains Na atoms

If other then 1 mole present then number of atoms are calculated by:

Number\ of\ Atoms=Moles\times (N_{a})

Here n = number of moles

if the mass of the compound is given then first calculate the number of moles.

Moles=\frac{mass}{Molar\ mass}

6 0
3 years ago
Determine whether each description represents a genotype or a phenotype.
ANEK [815]

Answer:

phenotype,phenotype,genotype,genotype,

genotype

Explanation:

phenotype is physical appearance and genotype is just like

yy Tt

8 0
4 years ago
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The molar enthalpy of
nika2105 [10]

Answer:

vaporization

Explanation:

The molar enthapy of _vaporization______ is the heat required to vaporize one mole of a liquid”

7 0
4 years ago
In which orbital below would an electron (on average) be farthest from the nucleus?
ozzi

Answer:

4f its the last orbital of the above

5 0
3 years ago
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