At what temperature will a solid melt?O
A. The temperature at which intermolecular forces push the
molecules apart
O
B. The temperatud at which the kinetic energy breaks the
intermolecular attractions
O
c. The temperature at which the pressure forces molecular motion to
stop
D. The temperature at which the atomic bonds within the molecules
are broken

Answers

Answer 1

Answer:

Answer:

A solid will melt at the temperature at which the kinetic energy breaks theinter-molecular attractions.

Explanation:

The melting point is the state at which "a substance changes its temperature from a solid to liquid". At the melting point temperature, there is an equilibrium between the both the solid and the liquid phase. When the solid particle is heated by increasing the temperature the particle in the solid vibrate quickly and it absorbs kinetic energy.

It leads to the breaking of the organisation of particle in between the solid and that leads to the melting of solid. Thus, at the melting point, the kinetic energy breaks the inter-molecular attractions.

Answer 2

Answer:

Answer: B) the temperature at which the kinetic energy breaks the intermolecular attraction

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1. What is the maximum amount of NaCl that can dissolve in200 g of water? (The solubility of NaCl is 35 g/100 g H20 at20°C.) *

Blank occurs when heat is transferred into an object through motion or movement an example would be boiling water

Answers

Conduction occurs when heat is transferred into an object through motion or movement

2C4H10 + 13O2 -----> 8CO2 + 10H2OIf 3000 grams of C4H10 react according to this equation, and the actual yield for water is a mass of 1300 grams, what is the percent yield?

Answers

Answer:

27·92 %

Explanation:

Given chemical equation is

2C4H10 + 13O2 -----> 8CO2 + 10H2O

So according to the above balanced chemical equation for 2 moles of C4H10, 10 moles of water is produced

Molecular weight of C4H10 is 58 g

Molecular weight of water is 18 g

So for 116 g of C4H10, 180 g of water is produced and therefore for 1 g of C4H10 (180 ÷ 116) g of water is produced

∴ For 1 g of C4H10 1·552 g of water is produced

For 3000 g of C4H10, (3000 × 1·552) g of water is produced

∴ Number of grams of water produced for 3000 g of C4H10 is 4656 g

Percent yield =((experimental amount) ÷ (theoretical amount)) × 100

Here experimental amount is 4656 g

theoretical amount is 1300 g

∴ Percent yield = (1300 ÷ 4656) × 100 = 27·92 %

∴ Percent yield = 27·92 %

Vertical columns on the periodic table are called _______The elements in each column have_____
For #1 For #2
A.grouping A.Similar element names
B.families B.Similar properties
C.periods C.Similar symbols
D.lines D.Similar masses

Answers

The columns of the periodic table are called groups and they contain elements with similar properties based primarily on the number of electrons in the outer shell. Are you sure there isn't another option?

Vertical columns on the periodic table are called B. families.

The elements in each column, or family, have B. Similar properties.

How elements are placed in the periodic table

In the periodic table, elements are organized into rows and columns based on their atomic number and electron configuration. Each vertical column represents a family or group of elements that share similar chemical and physical properties.

The elements within a family tend to have similar valence electron configurations, leading to similar chemical behaviors and reactivity patterns.

Read more on periodic table here brainly.com/question/15987580

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A sample of metal has a mass of 16.63 g, and a volume of 7.94 mL. What is the density of this metal?

Answers

Answer:

The density of the metal is 2.094 g/mL.

Explanation :

Given,

mass of metal sample = 16.63 grams

Volume = 7.94 mL.

Density = ?

Density of the metal can be found by using the formula

Density = Mass/Volume

Substituting the values we get,

density = 16.63/7.94

by solving,

density = 2.094 g/mL.

Answer quickly plzzzz 100 pointsWhat are the two types of genetic molecules, contained in living things, that the bases formed from formamide make?

Nucleobases and Nitrogen

Hydrogen and Oxygen

DNA and ATGC

DNA and RNA

Answers

Answer:

hydrogen and oxygen

Explanation:

Answer:

DNA AND ATGC

Explanation:

SORRY IF ITS WRONG

Which of the following is a solution: pure water, fruit punch, cereal and milk in a bowl? Explain how you know.

Answers

Hi. Fruit Punch is a solution and i know this because in a Fruit Punch, you have to mix water, the fruit juice, sugar and many other substances. In pure water it is just water. In cereal and milk, those are two different foods, not a combined one, like Fruit punch. Hope that was not too confusing! ;)

Fruit punch is because it blends together evenly and cereal and milk in a bowl you can't mix together you could easily take the cereal out and for the fruit punch you cant

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