Chemistry High School

In an ionic lattice:
A. atoms are packed together in a regular cubic arrangement
B. atoms are bonded with 2 single bonds and one double bond.
C. atoms are structured in a vast network of atoms.
D. atoms are bonded to four others in a tetrahedral shape.

Answers

Answer 1

In an ionic lattice, atoms are packed together in a regular cubic arrangement; option A.

What is an ionic compound?

An ionic compound is a compound which is composed of oppositely-charged ions which are held together by strong electrostatic forces of attraction.

The properties of ionic compound include:

They occur in regular crystal latticesThey have high melting and boiling pointsThey are electrolytes.

Ionic lattices have regular structural patterns consisting of atoms arranged in a regular repeating pattern, usually a cube. There are several cubic structures in ionic lattices.

In conclusion, ionic lattices are regular repeating arrangement of atoms. Ionic lattices are usually arranged in the form of cubic crystal.

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Related Questions

Meteorologists use weather balloons to carry weather instruments high into the atmosphere. when it is first released at earth’s surface, a weather balloon typically appears underinflated. what happens to the balloon’s volume and pressure as it rises into the atmosphere? check all that apply. the pressure in the balloon decreases. the pressure in the balloon increases. the volume of the balloon increases. the volume of the balloon decreases.

Answers

As the balloon rises, its volume grows because the external pressure is lower at higher altitudes, which causes the air molecules to expand more in order to reach mechanical equilibrium, where the external and internal pressures are equal. The balloon is underinflated because, in contrast to when it is on the ground, the pressure outside makes it difficult for gas molecules to push against the balloon's walls.As the balloon’s altitude increases, its volume also increases.At high altitude, the atmospheric pressure on the outside of the balloon is less that it is at Earth’s surface.As the pressure on the outside of the balloon decreases, the balloon’s volume increases because the pressure inside the balloon pushes the balloon outward.As the balloon’s volume increases, the pressure inside the balloon decreases until it is equal to the pressure on the outside of the balloon.In conclusion, condition verifications:

the pressure in the balloon decreases- True

the pressure in the balloon increases- False

the volume of the balloon increases- True

the volume of the balloon decreases- False

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during a neutralization reaction phosphoric acid reacts with potassium hydroxide to produce potassium phosphate and water. if the reaction occurs with 64.9% yield, what mass of potassium phosphate would be made if 13.32g of potassium hydroxide is added to excess phosphoric acid?

Answers

During a neutralization reaction phosphoric acid reacts with potassium hydroxide to produce potassium phosphate and water, the reaction occurs with a 64.9% yield.

A neutralization reaction is a chemical process in which an acid and a base combine to produce salt and water as the end products. In a neutralization process, a mixture of H+ ions and OH- ions results in the formation of water.

Potassium phosphate and water are created when potassium hydroxide and phosphoric acid combine. The reaction's balanced equation is as follows: K3PO4(aq) + 3H2O = 3KOH(aq) + H3PO4(aq) (l) If six moles of potassium hydroxide react, phosphoric acid is used in the reaction.

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3H2 + blank, reaction arrow, 2NH3
How to complete the equation so that it is a Synthesis reaction

Answers

The complete equation representing the synthesis reaction for the formation of ammonia is: 3 H₂ + N₂ ⇒ 2 NH₃

What is a synthesis reaction?

It is a reaction in which 2 or more substances combine to form 1 product.

Let's consider the following incomplete synthesis reaction.

3 H₂ + ____ ⇒ 2 NH₃

According to Lavoisier's law, the mass and the elements must be conserved in a chemical reaction. So, since there is nitrogen to the right, the missing element to the left must be nitrogen. Molecular nitrogen is diatomic.

The complete reaction is:

3 H₂ + N₂ ⇒ 2 NH₃

The complete equation representing the synthesis reaction for the formation of ammonia is: 3 H₂ + N₂ ⇒ 2 NH₃

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What property should a radioisotope used for dating have?
OA. It must be an isotope not commonly found in the fossil.
OB. Its half-life should be similar to the age of the fossil.
OC. It must have a half-life much longer than the fossil age.
OD. It must decay to a stable isotope of the same element.

Answers

The property a radioisotope used for dating should have is Its half-life should be similar to the age of the fossil and is denoted as option B.

What is a Radioisotope?

This is an element which is unstable and releases radiation to achieve its stability.

The half-life of the element used in dating should be similar to that of the fossil for easy comparisons and accuracy.

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Answer:

b, half life should be similar to the fossil

Explanation:

A measure of peak separation in a chromatographic method that equals the difference in retention time for two components divided by the average of their peak widths is the definition of

Answers

A measure of peak separation in a chromatographic method that equals the difference in retention time for two components divided by the average of their peak widths is the definition of resolution.

Retention time can be referred to as the amount of time a solute spends in the stationary and mobile phases of a column.

The analyte's interaction with the stationary phase determines the longer retention period.

The duration of retention will increase as the interaction becomes more strong.

Resolution is defined as the peak separation in a chromatographic procedure that is equal to the difference in retention time for two components divided by the average of their peak widths.

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Will mark you brainliest and give you 15 points!!

what is the mass of 22.4 l of n2 at stp? (5 points)

a
11.2 grams

b
14.00 grams

c
22.4 grams

d
28.01 grams

Answers

Answer:

d

Explanation:

22.4 L is the same as 1 mol.

Diatomic nitrogen has a formula mass of 28.01 g/mol, so the answer is d.

A pure liquid has a constant boiling point, but a liquid with a constant boiling point is not necessarily pure. Explain.

Answers

A pure liquid has a constant boiling point (at constant pressure). A change in boiling during distillation is an indication of impurity. The opposite, proposition, however, is not always true, and a constant boiling point does not necessarily mean that the liquid is pure.

This is because, at the boiling point, vapor and liquid are in equilibrium, and, if the composition of the vapor and liquid remains constant through the process, the temperature will also remain constant.

The boiling point can differ by location depending on pressure. Why does not a pure liquid in a distilling flask vaporize all at once whilst the boiling temperature is reached? Additional heat must be supplied for a phase change to occur.

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Since volume and temperature are constant, this means that pressure and_____are____proportional. the sample with the largest____will have the_____pressure.

Answers

Since volume and temperature are constant, this means that pressure and number of moles are directly proportional. the sample with the largest number of moles will have the high pressure.

Since, the ideal gas equation is also called ideal gas law. So,  according to ideal gas equations,

PV = nRT

P is pressure of the sampleT is temperatureV is volume n is the number of  molesR is universal gas constant

At constant volume and temperature the equation become ,

P ∝ nR

since, R is also constant. So, conclusion of the final equation is

P  ∝ n

The number of moles and pressure of the sample is directly proportion. So, on increasing number of moles in the sample , pressure of the sample also increases.

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What is acceptable as eye protection when working with one gallon of hydrochloric acid?

Answers

The Protective Equipment is a Face Shield.

Hydrochloric acid is a dangerous chemical, it can be handled with proper care. As we know Hydrochloric acid is corrosive. If acid touches the skin, eyes, and internal organs then the damage can not be treated, or even in some cases it is fatal.

If hydrochloric acid is used in the workplace, then there is a need for access to an eye-flush station.

If acid is used at home, then need to follow some safety instructions. If acid is diluted with water, still there is a need for protection. For example: wear protective clothes and gloves.

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Suppose you had to titrate a solution of NaOH of unknown concentration with a solution of HCl of known concentration using phenolphthalein as an indicator. How will you determine the color change

Answers

When the system turns pink, then the end point has been attained.

What is the end point?

The end point or the equivalence point is the time when the reactants have undergone transformation in accordance with the reaction equation. The reaction in this case is; HCl + NaOH -----> NaCl + H2O.

We know that phenolphthalein is colorless in acid but red in a base. The color at end point is pink. Thus, when the system turns pink, then the end point has been attained.

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