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adelina 88 [10]
2 years ago
6

When metals, non metals,and metallics are composed according to luster, which is best description of the appearance of metalloid

s
Chemistry
1 answer:
Nitella [24]2 years ago
5 0

Answer:

Metalloids are metallic-looking brittle solids that are either semiconductors or exist in semiconducting forms, and have amphoteric or weakly acidic oxides. Typical nonmetals have a dull, coloured or colourless appearance; are brittle when solid; are poor conductors of heat and electricity; and have acidic oxides.

Explanation:

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For the following, identify the process as a spontaneous process, a nonspontaneous process, or an equilibrium process at the spe
alexandr402 [8]

Answer:

A nonspontaneous process

Explanation:

The spontaneity of a reaction is given by the standard Gibbs free energy (ΔG°). We can calculate ΔG° using the following expression.

ΔG° = ∑np . ΔG°f(p) - ∑nr . ΔG°f(r)

where,

ni are the moles of reactants and products

ΔG°f(p) are the standard Gibbs free energies of formation of reactants and products

For the equation,

CO₂(g) → CO₂(aq)

ΔG° = 1 mol × ΔG°f(CO₂(aq)) - 1 mol × ΔG°f(CO₂(g))

ΔG° = 1 mol × (-386.0 kJ/mol) - 1 mol × (-394.4 kJ/mol)

ΔG° = 8.4 kJ

By convention, ΔG° > 0 means that the reaction is nonspontaneous.

5 0
3 years ago
Why do we use anhydrous diethyl ether? Choose the right answer.
grigory [225]

Answer:    

The answer is <em>B</em>

Explanation:

4 0
3 years ago
Draw n-ethyl-3-methylpentanamide. draw your structural formula with all necessary hydrogen atoms.
Elena-2011 [213]
Structure of <span>N-ethyl-3-methylpentanamide is shown below,</span>

3 0
3 years ago
The smallest unit of a substance that behaves like the substance is
Reika [66]

Answer : The smallest unit of a substance that behaves like the substance is, molecule.

Explanation :

Pure substance : It is defined as a substance that is made by the combination of only one type of atom or only one type of molecule.

Compound : It is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.

Element : It is a pure substance which is composed of atoms of similar elements.

Molecule : It is the smallest particle in the chemical compound or chemical element or a substance that has the same chemical properties of that compound or element.

Hence, the smallest unit of a substance that behaves like the substance is, molecule.

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how do the parts of the liverworts above the soil get the minerals from the soil that are needed for plant processes
Serggg [28]

Answer:

I don't know but I'm curious now

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2 years ago
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