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3 years ago

Carbon atoms can form single, double, or triple bonds because they have four valence electrons.

Chemistry

2 answers:

KATRIN_1 [288]3 years ago

6 0

Answer: True

Explanation:

Carbon has four valence electrons, so it can achieve a full outer energy level by forming four covalent bonds. When it bonds only with hydrogen, it forms compounds called hydrocarbons. Carbon can form single, double, or triple covalent bonds with other carbon atoms

Anni [7]3 years ago

3 0

Answer:

The answer to your question is true.

Explanation:

Carbons atoms have 4 valence electrons so they can form a great variety of bonds, like single bonds, double bonds and triple bonds.

single bond = C - C

double bonds = C = C

triple bonds = C ≡ C

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Electrochemical cells can be used to measure ionic concentrations. A cell is set up with a pair of Zn electrodes, each immersed

Phantasy [73]

Answer:

the concentration of the solution is 0.00906 M

Explanation:

Given the data in the question;

we know that from Nernst Equation;

E = E⁰ - ((0.0592/n) logQ)

now, E₀ for concentration cell is 0

n for this redox is 2

concentration of the unknown solution is x

so we substitute

0.045 = 0 - ( 0.0592 / 2)log( x/0.300 ))

0.045 = -0.0296log( x/0.300 )

divide both side by 0.0296

1.52 = -log( x/0.300 )

x/0.300 = $10^{-1.52$

x/0.300 = 0.0301995

we cross multiply

x = 0.300 × 0.0301995

x = 0.00906 M

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3 years ago

When two continental plates diverge, there is a valley in between these two plates that forms as the continental crust widens. W

irina1246 [14]

Answer:

B. Volcanoes

Explanation:

B. Volcanoes

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3 years ago

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How could an alpha particle pass straight through the metal foil and strike the center of the phosphor screen on the other side

EleoNora [17]

It was due to the metal foil in which the alpha particles can't even pass through. This experiment conducted by Rutherford led to the discovery of protons.

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This data was collected after conducting an experiment about the amount, in liters, of water a specific plant needs per month. A

Radda [10]

ANSWER:

all of them

Explanation:

preciseness is measured by how many decimal places are used not by accuracy. since all of these are to the same decimal place they are all equally precise even if they are inaccurate.

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3 years ago

Classify each amino acid by the chemical properties of its side chain (R group) at pH 7·Select the amino acid that fits best in

Leno4ka [110]

Answer:

. 1. This amino acid has a positively charged R group: ARGININE

2. This amino acid has a negatively charged R group: ASPARTATE

3. This amino acid has a neutral polar R group: NONE

4. This amino acid has a nonpolar aliphatic R: VALINE

5. This amino acid has an aromatic R group: TRYTOPHAN

Explanation:

1) Arginine contains an extra amino group bearing a positive charge, in its chain which imparts basic properties to it

2) Aspartate contains an extra carboxyl group with a dissociable protron. Once the Protron is dissociated, it carries an extra negative charge in its side chain (R)

3) NONE of the amino acids given belong to this group because amino acids with neutral polar R groups contain functional groups that form hydrogen bonds with water. But, this is not the case with tryptophan aspartate valine or arginine

4) Valine has a R group that is hydrocarbon in nature and thus hydrophobic.

5) Trytophan has a benzene ring in its side chain

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3 years ago