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2 years ago

Which of the following elements can form diatomic molecules held together by triple covalent bonds?

Chemistry

2 answers:

Art [367]2 years ago

6 0

Nitrogen can form a diatomic molecule held together by triple bonds.

ELEN [110]2 years ago

3 0

Answer;

Nitrogen

Explanation;

-Nitrogen is the element that may form diatomic molecules held together by triple covalent bonds.

-Nitrogen is an element that occurs as a diatomic molecule in its gaseous state. This element only exists in the diatomic form with triple bonds between the two atoms. Due to is small size and being non polar, it lacks inter-molecular forces and thus it is gaseous in nature.

-Other elements that are diatomic in their gaseous states includes; hydrogen, oxygen, chlorine, bromine, iodine and fluorine.

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A cleaning solution has a hydroxide ion concentration of 2.5 x 104 mol/L. Which of the following

devlian [24]

A cleaning solution with an OH⁻ concentration of 2.5 × 10⁻⁴ mol/L, has a pH of 10.4 and is basic (options b and c).

<h3>How can we determine the acidity or basicity of a solution?</h3>

If pH < 7, the solution is acid.
If pH = 7, the solution is neutral.
If pH > 7, the solution is basic.

Step 1. Calculate the pOH of the solution.

The hydroxide ion concentration is 2.5 × 10⁻⁴ mol/L.

pOH = -log [OH⁻] = log (2.5 × 10⁻⁴) = 3.6

Step 2. Calculate the pH of the solution.

We will use the following expression.

pH + pOH = 14

pH = 14 - pOH = 14 - 3.6 = 10.4

Since pH > 7, the solution is basic.

A cleaning solution with an OH⁻ concentration of 2.5 × 10⁻⁴ mol/L, has a pH of 10.4 and is basic (options b and c).

Learn more about pH here: brainly.com/question/172153

#SPJ1

6 0

2 years ago

n a combination redox reaction, two or more ____________ , at least one of which is a(n) ____________ , form a(n) ____________ .

Anna [14]

Answer:

In a combination redox reaction, two or more reactants, at least one of which is a(n) element, form a(n) compound. General Reaction: X + Y > Z

In a decomposition redox reaction, a(n) compound forms two or more products, at least one of which is a(n) element. General Reaction: Z>X+Y

In double-displacement (metathesis) reactions, such as precipitation and acid-base reactions, atoms (or ions) of two compounds exchange places; these reactions are not redox processes. General Reaction: AB+CD>AD+CB

In solution, single-displacement reactions occur when a(n) atom of one element displaces the atom of another. Since one of the reactants is a(n) element, all single-displacement reactions are redox processes. General Reaction: X+YZ>XY+Z

Explanation:

In a combination redox reaction, two or more reactants, at least one of which is a(n) element, form a(n) compound.

General Reaction: X + Y > Z

In the reaction scheme above, X combines with Y to give Z as a product.

In a decomposition redox reaction, a(n) compound forms two or more products, at least one of which is a(n) element.

General Reaction: Z>X+Y

In the reaction scheme above, Z decomposes to X and Y

General Reaction: AB+CD>AD+CB

In the reaction scheme above, B and D exchange places in their respective compounds

In solution, single-displacement reactions occur when a(n) atom of one element displaces the atom of another. This type of reaction is due to the difference in the reactivities of the elements. The more reactive atom of one element displaces the least reactive atom of another element from its solution.

Since one of the reactants is a(n) element, all single-displacement reactions are redox processes.

General Reaction: X+YZ>XY+Z

In the reaction scheme above, X displaces Z from the compound YZ.

7 0

2 years ago

Bismuth(III) sulfate is an ionic compound formed from Bi3+ and SO42-. What is the correct way to represent the formula?

Hitman42 [59]

Answer:

Bi2(SO4)3

Explanation:

Bismuth(iii) sulfate is an ionic compound therefore, their is transfer of electron. Ionic compound has both cations and anions. The cations is positively charged ion while the anions is negatively charged ions. The cations loses electron to become positively charged while the anions gains electron to become negatively charged.

From the compound above, Bismuth(iii) sulfate the cations will be Bismuth ion which loses 3 electrons. The anions is the sulfate ion (S04)2- with a -2 charge.

The chemical formula can be computed from the charge configuration as follows

Bi3+ and (SO4)2-

cross multiply the charges living the sign behind to get the chemical formula

Bi2(SO4)3

Note the final chemical formula, the numbers are sub scripted

4 0

3 years ago

What is the daughter nucleus produced when 213Bi undergoes alpha decay?

patriot [66]

<span>

</span><span> A radioactive process in which a particle which has two neutrons and two protons is forced to throw from the nucleus of a radioactive atom is called alpha decay .so helium atom is lost in alpha decay</span>
<span>213 Bi gives 4/2 He + 209 Tl </span>

7 0

2 years ago

What does the subscript tell you?

amm1812

I think it is d it is definitely not a or b

7 0

2 years ago

Read 2 more answers