How many moles of manganese in 4.07 x 1024 atoms of manganese?

Answer:

Forming positive ions

Explanation:

A sodium atom has one electron in its outer shell. ... It will still have 11 positive protons but only 10 negative electrons. So, the overall charge is +1. A positive sign is added to the symbol for sodium, Na +.

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Explanation:

Forming Positive Ions

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Answer:

Even though plants are rooted in the ground, they still move, exert force, and do work.

Plant cells have very strong cell walls that allow pressure to build up inside of the cell as water is absorbed. This pressure is called turgor.

When turgor pressure is high enough in a cell, the cell walls become firm and as a result, the cell becomes rigid and the plant is able to stand tall and straight.

When a plant does not get enough water, the turgor pressure inside of the cells decreases. A decrease in pressure pushing against the cell wall causes the cells to lose their shape and shrink. This causes the plant to begin to droop or wilt.

When the wilted plant gets enough water, the cells will become rigid again, and the plant will stand firm and straight once again.

Explanation:

Answer:

0.91m/s due west

Explanation:

Given parameters:

Time taken  = 17.2s

Displacement  = 15.6m

Unknown:

Velocity of the cart  = ?

Solution:

Velocity of a body is the the displacement divided by the time taken.

 Velocity  = [tex]\frac{displacement}{time}[/tex]  

Now insert the parameters and solve;

 Velocity  = [tex]\frac{15.6}{17.2}[/tex]  = 0.91m/s due west

Answer:

3.329 g

Explanation:

First you need to determine the molar mass of H2S which is 34.1 g/mol.

With that we know that to find the moles of H2S we just divide the mass of sample with the molar mass.

3.54 g / 34.1 g/mol = 0.103812317  mol of H2S

This means that there is also 0.103812317  mol of sulfur since there is 1 mole of sulfur per 1 mole of H2S.

The molar mass of sulfur is 32.065 g/mol and to find the mass of sulfur you need to multiply the molar mass with the moles of the compound.  

0.103812317  mol * 32.065 g/mol = 3.329 g of sulfur

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Answer: condensaytion

Explanation: its reverse vaporation instead of water turning into gas gas turns into water

Because i just did it

answer c

Answer:

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Explanation:

Answer: boiling point

Explanation:

Answer:

its turgor pressure decreases

Explanation: This is also important because this function regulates water loss within the plant. Lower turgor pressure can mean that the cell has a low water concentration and closing the stomata would help to preserve water. :-)

When a leaf loses much-needed water, its turgor pressure would decrease. Hence Option A is Correct

Turgor Pressure is created in the cells of a leaf when there is enough water. The water stretches the cell membrane outward, creating a kind of pressure.

When the cells lose water, the cell membrane shrinks inward and loses the supporting pressure.

Thus, the turgor pressure created by the presence of water is lost by the absence of water.

The absence of water also affects the rate of photosynthesis and transpiration negatively and not positively. A leaf losing water has no bearing on the atmospheric pressure.

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Answer:

quantum of energy

Answer:

Mass & Volume

Explanation:

An Extensive Property is a property that depends on the amount of matter in a sample. Mass and volume are examples of extensive properties. Meanwhile, Color, Temperature, and Solubility are examples of Intensive Properties.

Answer:

Iron(II) oxide

Explanation:

Iron(II) oxide or ferrous oxide is the inorganic compound with the formula FeO. Its mineral form is known as wüstite.

Answer:

1.- Chemical change

2.- Because the atoms in the image are tranformed into a new molecule

3.- Yes, it does

4.- Due to the amount of atoms are the same both in products and reagents

Explanation:

Answer:

1.- Chemical change

2.- Yes it does ,because the atoms in the image are transformed into a new molecule

3.- Yes, it does because energy is not being created or destroyed

4.- Due to the amount of atoms are the same both in products and reagents

Answer: 12

Explanation:

Answer:

The instructions in a gene that tell the cell how to make a specific protein. A, C, G, and T are the "letters" of the DNA code; they stand for the chemicals adenine (A), cytosine (C), guanine (G), and thymine (T), respectively, that make up the nucleotide bases of DNA.

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DNA contains the commands that an organism requires to develop, survive, and reproduce. DNA sequences must be transformed into messages that can be used to make proteins, which are the complex molecules that do the majority of the work in our bodies, in order to perform these functions.

Deoxyribonucleic acid is a polymer consisting of two polynucleotide chains that coil into one another to form a double helix.

It contains genetic information in the form, fully operational, growth, and reproduction of all kinds of organisms and viruses. Nucleic acids include DNA and ribonucleic acid.

DNA stores information as a code composed of four chemical bases: adenine (A), guanine (G), cytosine (C), and thymine (T).

DNA contains all of the instructions that an organism needs to develop, survive, and reproduce.

To perform these functions, DNA sequences must be transformed into messages that can be used to make proteins, which are the complex molecules that do the majority of the work in our bodies.

Thus, these are some of the instructions that DNA provides to cell.

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Answer:

Mass is your answer

Explanation:

Answer:

Explanation:Typically, manufactured glass contains around 15% sodium oxide, 70% silica (silicon dioxide) and 9% lime (calcium oxide). The sodium carbonate "soda" serves as a flux to lower the temperature at which the silica mixture melts

Answer: 28 days.

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Answer:

Oil- Only London Dispersion Forces (the weakest intermolecular force)

Water- London Dispersion, Dipole-Dipole, and Hydrogen Bonding

Answer:

CaKr Na2S BaCl3 MgF. CaKr-Kr is a noble gas Na2S-not balanced BaCl3-not balanced MgF-not balanced.

Explanation:

The CaKr is  compound which is likely to form because its charge will be balanced.

A chemical compound is referred to as a substance made up of several similar molecules linked together with chemical bonds and containing atoms from multiple elements. A molecule made up of only one element's atoms is hence not a compound.

It gains charge when electrons are transferred between each other. When the count of protons is higher than the count of electrons, the charge is positive.

Ca has 1 charge and Kr has also 1 charge. hence, CaKr will form as a compound. The charge of  [tex]Na_{2}S, BaCl_{3}[/tex] and MgF is not balanced that's why they can not form compound.

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Answer:

I think its D

Explanation:

Answer:

D

Explanation:

It's B because homeostasis is the ability to maintain a relatively stable internal state that persists despite changes.

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Answer:

8/ 13

Explanation:

.................................

Answer:

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

[tex]n = \frac{N}{L} \\[/tex]

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

[tex]n = \frac{8.02 \times {10}^{25} }{6.02 \times {10}^{23} } \\ \\ = 1.33 \times {10}^{2} \: \: \: moles[/tex]

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Answer:

Explanation:

[tex]--------------------------------------------[/tex]

Microgram = 0.000001 Grams = Smallest Unit of Weight

1 ) Milligram = 0.001 Grams =

2 ) Centigram = 0.01 Grams

Decigram = 0.1 Grams

3 ) Gram = 1 Gram

Dekagram = 10 Grams

Hectogram = 100 Grams

4 ) Kilogram = 1000 Grams = Largest Unit of Weight = Answer

[tex]--------------------------------------------[/tex]

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[tex]--------------------------------------------[/tex]

Kilograms are the largest unit among the options listed.

The metric system is a decimal-based system of measurement widely used around the world. It provides a standardized and convenient way to express measurements by utilizing prefixes that represent powers of 10.

In the metric system, the base unit for measuring mass is the gram (g). The gram is a relatively small unit, and to express larger or smaller masses, prefixes are added to the base unit. Here are some commonly used metric prefixes for mass.

The largest measurement among the options provided is kilograms (kg). Kilograms are larger units of measurement compared to grams (g), milligrams (mg), and centigrams (cg). The metric system follows a decimal-based system, where each unit is 10 times larger or smaller than the adjacent unit.

1 kilogram (kg) is equal to 1,000 grams (g), 1,000,000 milligrams (mg), and 10,000 centigrams (cg). Therefore, kilograms are the largest unit among the options listed.

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