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Readme [11.4K]
3 years ago
12

In what type of reaction does a single uncombined element replace another element in a compound?

Chemistry
1 answer:
Law Incorporation [45]3 years ago
8 0

Answer :

In a Single Replacement Reaction

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List the bonding pairs H and I; S and O; K and Br; Si and Cl, H and F; Se and S; C and H in order of increasing covalent charact
stellarik [79]

Answer:

1. (S,O) < (Se,S) < (C,H) = (H,I) = (H,F) < (Si,Cl) < (K,Br)

Explanation:

The covalent character always increases down the group, this is because ionic character decreases down the group and also electronegativity.

In the same way, Covalent character always decreases across a period because electronegativity increases across a period.

The higher the electronegativity values between the two atoms, the more ionic it will be.

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What is the mass of a liquid that has a volume of 50.0ml and a density of 2.40g/ml?
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Answer:

120g Using Density Equation.

Explanation:

Density =mass/volume

We need to the solve for the mass.

Mass=Density * Volume

Mass= 2.40 g/ml * 50.0 ml = 120g

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3 years ago
I need some help please
Norma-Jean [14]

Answer:

the first one to the third box

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the third one to second box

and the fourth one to the first box

Explanation:

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3 years ago
Which describes a way to speed up the collisions between hydrogen and oxygen molecules to produce more water?
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<span>Equation:2H2(g) + O2(g) → 2H2O(g)
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Smaller container means less volume, and the molecules will hit the walls of the container more frequently because there's less space available and the pressure will go up. I guess this would mean that the side with fewer moles would be favored as a result. We count the number of moles on the reactants and products and find that there are fewer moles on the product side, so I guess this would favor the product formation.

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What is the density of a gas with a volume of 5.6 FL oz. and a mass of 37 grams?
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Answer:

6.60

Explanation:

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3 years ago
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