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damaskus [11]
4 years ago
12

Explain how oxygen is connected to chemical weathering

Chemistry
1 answer:
tester [92]4 years ago
4 0
Many aging processes are oxidation processes in which oxygen is the electron acceptor either directly
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G the hydrogen generated in this lab was a product of the reaction between magnesium and hydrochloric acid. which of these react
Colt1911 [192]

The limiting reactant is determined by the supply and stoichiometric equation.

<h3>Limiting reactants</h3>

They are reactants that are limited in availability, and thus, determine how far reactions can go in terms of producing products.

In a reaction involving magnesium and hydrochloric acid to produce hydrogen gas as follows:

Mg + 2HCl --- > MgCl_2 + H_2

The number of moles of HCl is twice that of Mg. Thus, if both reactants are supplied in the required proportion, no reactant will be limiting.

However, if the number of moles of HCl supplied is not up to twice that of Mg, HCl will become limiting. Also, if the amount of Mg supplied is not equal to half of that of HCl supplied, Mg will be limiting.

More on limiting reactants can be found here: brainly.com/question/14225536

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3 0
2 years ago
ethyl chloride, c2h5cl, is used as a local anesthetic. it works by cooling tissue as it vaporizes; its heat of vaporization is 2
Inessa [10]

The amount of heat that could be removed by 20.0 g of ethyl chloride is 8.184 kJ.

<h3>How do we calculate required heat?</h3>

Required amount of heat which can be removed for the vaporization will be calculated as:

Q = (n)(ΔHv), where

  • n = moles of ethyl chloride
  • ΔHv = heat of vaporization = 26.4 kj/mol

Moles will be calculated as:

n = W/M, where

  • W = given mass of ethyl chloride = 20g
  • M = molar mass of ethyl chloride = 64.51 g/mol

n = 20 / 64.51 = 0.31 mol

On putting all these values in the above equation, we get

Q = (0.31)(26.4) = 8.184 kJ

Hence involved amount of heat is 8.184 kJ.

To know more about heat of vaporization, visit the below link:

brainly.com/question/13106213

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6 0
2 years ago
Explain Why s-32 is a stable nuclidle
malfutka [58]
I think it is because it has an even number of valence electrons.
4 0
4 years ago
Read 2 more answers
PLEASE HELP!!!!!!!!!!
Olegator [25]
I believe the answer is 3
8 0
3 years ago
If the balanced chemical reaction for the formation of Li2O is 4 Li(s) + O2(g) → 2 Li2O(s), how many molecules of Li2O(s) would
Marta_Voda [28]

The molecules of Li₂O that would produce if you used up 6 atoms of Li(s) is 3.

<h3>What is Lithiumdioxide?</h3>

It is an unstable inorganic and radical compound, used in the manufacture of glass and ceramic.

The balanced equation

\rm 6 Li(s) + O_2(g) \rightarrow 3 Li_2O(s)

If the atoms of lithium moves up to 6 the lithium oxide molecules will be 3, as you can see in the equation.

Thus, the molecules of Li will be 3.

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5 0
3 years ago
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