electronics configuration​

Answer:

A

Explanation:

The strength of the gravitational force between two objects depends on mass and distance. The object with the greatest mass would be the car.

Answer:

Hydrogen and Oxygen

Explanation:

Hydrogen atomic mass = 1.008  amu

atomic mass = 15.999  amu

According to the periodic table, two elements whose  atomic mass is less than twice their atomic number are hydrogen and oxygen.

The atomic number of an atom refers to the number of protons in that atom. It serves as an identity for atoms of elements. The atomic mass of element is the weighted average of the masses of all the isotopes of the element.

The atomic number of oxygen is 8 while the atomic number of hydrogen is 1. The atomic mass of oxygen is 15.999 amu while the atomic mass of hydrogen is 1.0008 amu.

We can see that twice the atomic number of oxygen gives sixteen while twice the atomic number of hydrogen gives two. Therefore,  two elements whose  atomic mass is less than twice their atomic number are hydrogen and oxygen.

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Answer:

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Cellulase and proteases are two enzymes are used for making alcohol

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Explanation:

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Answer:

3,3 Methyl hexyne

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Answer:

276 mL

Explanation:

Using Charles law equation as follows:

V1/T1 = V2/T2

Where;

V1 = initial volume (mL)

V2 = final volume (mL)

T1 = initial temperature (K)

T2 = final temperature (K)

According to the information provided in this question;

V1 = 225mL

V2 = ?

T1 = 23°C = 23 + 273 = 296K

T2 = 90°C = 90 + 273 = 363K

Using V1/T1 = V2/T2

225/296 = V2/363

Cross multiply

296 × V2 = 363 × 225

296V2 = 81675

V2 = 81675/296

V2 = 275.9

V2 = 276 mL

Answer: Positive tropism, negative tropism

Explanation:

Stimulus can be define as external and internal agent which generate a response in an organism. If the growth and action is towards the stimulus it is called as positive tropism. If the growth and action is away from the stimulus it is called as negative tropism. Example, the growth of the stem towards the sunlight is called positive tropism whereas the growth of the root away from the sunlight is called negative tropism. Here, sunlight is the stimulus.

Answer: Hello, There your Answer is Below.

A. Eugene was a little colder than Portland because Eugene is a little closer to the coast.

Explanation:

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The daughter element is produced from the beta decay of ¹⁴⁵₅₆Ba is ¹⁴⁵₅₇La.

A beta particle is emitted from the nucleus of an atom during radioactive decay. The electron, however, occupies regions outside the nucleus of an atom.

Beta particle has no mass and minus charge on itself.

Radioactive decay equation for the Barium is shown as follow:

¹⁴⁵₅₆Ba → ¹⁴⁵₅₇La + °₋₁β

The daughter element which is produced from the from reaction is Lanthanum.

Hence, ¹⁴⁵₅₇La is the daughter element.

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Answer:

[tex]12 \: litres \: contain \: 3 \: \: moles \: of \: sodium \: chloride \\ 1 \: litre \: will \: contain \: \frac{(1 \times 3)}{12} moles \\ = 0.25 \: mol \: {l}^{ - 1} [/tex]

Explanation:

[tex]12 \: litres \: contain \: 3 \: \: moles \: of \: sodium \: chloride \\ 1 \: litre \: will \: contain \: \frac{(1 \times 3)}{12} moles \\ = 0.25 \: mol \: {l}^{ - 1} \\ or : 0.25 \: M[/tex]

Answer:

The pressure of the gas at 323 degrees Celsius is 2 atm.

Explanation:

Gay-Lussac's law indicates that, as long as the volume of the container containing the gas is constant, as the temperature increases, the gas molecules move faster. Then the number of collisions with the walls increases, that is, the pressure increases. That is, the pressure of the gas is directly proportional to its temperature.

In short, when there is a constant volume, as the temperature increases, the pressure of the gas increases. And when the temperature is decreased, the pressure of the gas decreases.

Gay-Lussac's law can be expressed mathematically as follows:

[tex]\frac{P}{T} =k[/tex]

Where P = pressure, T = temperature, K = Constant

Having two different states, an initial state 1 and a final state 2, it is satisfied:

[tex]\frac{P1}{T1} =\frac{P2}{T2}[/tex]

In this case:

Replacing:

[tex]\frac{1 atm}{298 K} =\frac{P2}{596 K}[/tex]

Solving:

[tex]P2=\frac{1 atm}{298 K}*596 K[/tex]

P2= 2 atm

The pressure of the gas at 323 degrees Celsius is 2 atm.

Answer:

Barium

Explanation:

The specific heat of a material is a property defined as the amount of energy required to increase the temperature of 1g of this material in 1°C = 1K

In this way, the metal that takes the least amount of energy to increase its temperature is the metal that has the lowest specific heat.

In the problem, this metal is Barium (Ba = 0.201J/gK)

Explanation:

[tex]Al(Br)O _{3} \\ name \: = > \: aluminiummonobromo(iii)oxide[/tex]

during tbe 1880s and 90s scientist searched cathode rays for the carrier of the electrical properties in matter. the person who discovered Thomson of the electron of 1897.

Answer:

19.20 g. Explanation: ∵ mass % = [mass of solute/mass of solution] x 100

Answer:

The addition of energy  through the chemical reaction when substance combines and gets decomposed.

Explanation:

Answer:

A precipitation reaction is one in which substances in solution are mixed and an insoluble product is made. The insoluble product is called a precipitate and can be seen as a solid forming in the reaction mixture.

Among all the given options, option d is correct options. Fossil fuels developed from the organic remnants of ancient plants and animals.

Fossil fuels are vital natural resources, as is widely known. They provide significant benefits to humanity, and we depend on them for energy. However, using fossil fuels has drawbacks as well.

Fossil fuels developed from the organic remnants of ancient plants and animals. The heat and pressure of the crust caused Earth to transform these million-year-old leftovers into fuels that include carbon.

The need for energy only increased after the Industrial Revolution. Similar to that, these fuels have had the ability to generate enormous amounts of energy to meet this need.

Therefore, the correct option is option D.

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Answer:

50.63 cm³

Explanation:

Using Charles law equation as follows:

V1/T1 = V2/T2

Where;

V1 = initial volume (cm³)

V2 = final volume (cm³)

T1 = initial temperature (K)

T2 = final temperature (K)

According to the question, V1 = 45.0 cm³, V2 = ?, T1 = 280 K, T2 = 315 K

Using; V1/T1 = V2/T2

45/280 = V2/315

Cross multiply

45 × 315 = 280 × V2

14175 = 280V2

V2 = 14175 ÷ 280

V2 = 50.625

V2 = 50.63 cm³

Answer:

98 g/mol

Explanation:

La masa molar de un compuesto es la cantidad de materia (medida como masa) que hay en 1 mol de dicho compuesto. Por lo tanto, puede calcularse como sigue:

masa molar = masa/número moles

Tenemos los siguientes datos del compuesto Y:

masa Y = 196 g

número de moles de Y = 2 mol

Entonces, podemos calcular la masa molar de Y de la siguiente manera:

masa molar Y = (masa Y)/(número de moles de Y) = 196 g/2 mol = 98 g/mol

Answer:

A) It tends to increase from top to bottom of a group

Answer:

Hi! I'm feeling great and happy! Life's been good! How are you? :) Hope life's good for you and that you are staying safe.

Explanation:

Answer:

subscript is a character

Explanation:

A subscript is a character (such as a number or letter) that is set slightly below or above the normal line of type, respectively. It is usually smaller than the rest of the text.

Answer:matter

Explanation:

matter

make brain

Answer: