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masha68 [24]
4 years ago
10

What mass of aluminum chloride could be made from 8.1 g of aluminum and 4.2 L of chlorine at STP?

Chemistry
1 answer:
posledela4 years ago
3 0
In this problem Al metal is a limiting reactant as it is present in less amount as compared to chlorine gas, Hence, controls the formation of ALCl3. So, the amount of AlCl3 produced is 40.05 grams. Solution is as follow,

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What process does a new substance form
Dennis_Churaev [7]
Chemical changes occur when a substance combines with another to form a new substance, called synthesis or, alternatively, decomposes into two or more different substances. 
8 0
3 years ago
When we looked at assigning the electrons in nitrogen to sites in the 2s and 2p orbitals, we used the 2s anti-bonding site. Whic
AveGali [126]

Answer:

B) Although this site is not desirable for making a bond between atoms, it is a good site in the sense that the electrons can be close to the nucleus.  

Explanation:

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The diagram below shows a σ*1s molecular orbital, but a σ*2s orbital has a similar shape.

A) is true. The σ*1s orbital has the lowest energy.

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6 0
4 years ago
Calculate the percent composition of C6H12O6
kifflom [539]

Answer:

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Explanation:

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3 0
3 years ago
A skittish squirrel is climbing vertically on a tree. Its
ollegr [7]

Answer: 1

Explanation:

6 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP!!!
xz_007 [3.2K]

Answer: 207.24

Explanation: Atomic mass = no of protons + no of neutrons

1) 82 protons, 122 neutrons , mass number= 82+122 = 204

2) 82 protons, 125 neutrons,  mass number= 82+125 = 207

3) 82 protons, 124 neutrons, mass number= 82+124 = 206

4) 82 protons, 126 neutrons, mass number= 82+126 = 208

Average atomic mass of an element =  \sum(\text{atomic mass of an isotopes}\times {{\text {fractional abundance}}

Average atomic mass of given element =  (204\times 0.014+207\times 0.221 +206\times 0.241+208\times 0.524)=207.24

The approximate atomic mass of lead is 207.24.



8 0
4 years ago
Read 2 more answers
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