how many barr bodies are found in a normal human female nucleus

Answer:

I believe the answer is ;_; 8-14

Im sorry if im wrong

Answer: 8-14 is the right answer

Explanation:

Answer:

The term “alchemy” brings to mind a cauldron-full of images: witches hovering over a boiling brew, or maybe sorcerers in smoky labs or untidy libraries. Despite these connotations of the mythic and mystical, alchemical follow contend a crucial role within the evolution of contemporary science.

Historically, alchemy refers to each the investigation of nature and an early philosophical and religious discipline that combined chemistry with metal work. Alchemy additionally encompassed physics, medicine, astrology, mysticism, spiritualism, and art.

Alchemy was scientific however it absolutely was additionally a religious tradition. a number of its practitioners had selfless intentions. for example, if alchemists might learn the key of “purifying” base metals into gold, they could gain the flexibility to purify the human soul. At an equivalent time, alchemy has typically been seen as a get-rich-quick theme and plenty of alchemists as charlatans and pretenders. however several alchemists were really serious-minded practitioners whose work helped lay the groundwork for contemporary chemistry and medication.

Explanation:

Alchemy for short answer if needed.

Answer:

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Answer:

Breaking glass - chemical change

popsicle - physical

milk - chemical

bread - physical

roasting - chemical

egg - chemical

fireworks - chemical

mixing something with water - chemical

popcorn - chemical

colouring hair - physical

melting chocolate - physical

crumpled paper - physical

rusted nails - chemical

crushed can - physical

cooked egg - chemical

bending metal - physical

melting ice - physical

bleaching clothes - chemical

If u want to differentiate between chemcial and physical change u need to remember this-

physical change - no new substance is formed (Even for melting of ice it's still water) and it can be reversible, except for some cases like tearing of paper

chemical change - a new substance is formed

MgS → Mg²⁺ + S²⁻

S²⁻ is known as the sulfide ion. That makes MgS Magnesium Sulfide.

For consideration:

magnesium sulfide MgS

magnesium sulfite MgSO₃

magnesium sulfate MgSO₄

magnesium sulfur  Mg & S

Magnesium sulfide is an inorganic compound with the formula MgS.

Magnesium sulfide (MgS) is an concerning ancient culture compound made by the consolidation of magnesium (Mg) cations and sulfide (S2-) anions. It is calm of individual magnesium ion (Mg2+) and individual sulfide ion (S2-).

In the formation of magnesium sulfide, magnesium drops two electrons to solve a constant eight of something configuration, making a absolutely loaded magnesium ion (Mg2+). Sulfur, in another way, gains two electrons to complete its outer energized matter structure, happening in a negatively loaded sulfide ion (S2-).

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There are many different ways that cells can connect to each other. The three main ways for cells to connect with each other are: gap junctions, tight junctions, and desmosomes. These types of junctions have different purposes, and are found in different places.

Answer:

it dissolves or disintegrates

Explanation:

Answer:

d. compound

Explanation:

compound and elements are pure substances

Answer: It will increase the rate of reaction

Explanation:

An increase in enzyme or substrate concentration will increase the rate of reaction.

An enzyme is a biological catalyst and is almost always a protein. It speeds up the rate of a specific chemical reaction in the cell.

Initially, an increase in substrate concentration leads to an increase in the rate of an enzyme-catalyzed reaction. As the enzyme molecules become saturated with substrate, this increase in reaction rate levels off.

The rate of an enzyme-catalyzed reaction increases with an increase in the concentration of an enzyme.

Hence, an increase in enzyme or substrate concentration will increase the rate of reaction.

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Answer:

Below

Explanation:

The reaction is a Substitution SN1 mechanism

Answer:

prevent hydroxide formation

Explanation:

The concentration of the hydroxide ions, OH¯ in 250 mL of the solution containing the maximum amount of dissolved calcium hydroxide is 0.01728 M

We'll begin by calculating the number of mole of in 0.16 g of Ca(OH)₂. This can be obtained as follow:

Mass of Ca(OH)₂ = 0.16 g

Molar mass of Ca(OH)₂ = 40 + 2[16 + 1] = 74 g/mol

Mole = mass / molar mass

Mole of Ca(OH)₂ = 0.16 / 74

Mole of Ca(OH)₂ = 0.00216 mole

Volume = 100 mL = 100 / 1000 = 0.1 L

Molarity = mole / Volume

Molarity of Ca(OH)₂ = 0.00216 / 0.1

Volume of stock solution (V₁) = 100 mL

Molarity of stock solution (M₁) = 0.0216 M

Volume of diluted solution (V₂) = 250 mL

0.0216 × 100 = M₂ × 250

2.16 = M₂ × 250

Divide both side by 250

M₂ = 2.16 / 250

Thus, the molarity of the diluted solution is 0.00864 M

Ca(OH)₂(aq) —> Ca²⁺(aq) + 2OH¯(aq)

From the balanced equation above,

1 mole of Ca(OH)₂ contains 2 moles of OH¯

Therefore,

0.00864 M Ca(OH)₂ will contain =  2 × 0.00864 = 0.01728 M OH¯

Thus, the concentration of the hydroxide ions, OH¯ in 250 mL of the solution containing the maximum amount of dissolved calcium hydroxide is 0.01728 M

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Answer:

H+ (hydrogen) ions

Explanation:

Answer:

H+ (hydrogen) ions

Explanation:

Answer:

2 Elevation of a mountain.

Explanation:

Contours make it possible to show the height and shape of mountains, the depths of the ocean bottom, and the steepness of slopes.

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The sponge is unsaturated when it is taking in more water. It becomes saturated when it stops taking in water. It is supersaturated when water starts oozing out from the sponge.

A saturated solution contains just as much solute as it normally hold at a particular temperature. An unsaturated solution contains less solute than it can normally hold at a particular temperature. A supersaturated solution contains more solute than it can normally hold at a particular temperature.

We can use a sponge to model these three scenario as follows;

Water continues to enter into the sponge when it is unsaturated, this continues until the sponge becomes saturated with water and takes in no more water. When the sponge becomes supersaturated, water begins to ooze out from the sponge because it can no longer hold more water.

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Answer:

A solvent is simply a substance that can dissolve other molecules and compounds, which are known as solutes. ... Because of its polarity and ability to form hydrogen bonds, water makes an excellent solvent, meaning that it can dissolve many different kinds of molecules.

Explanation:

Answer:

50,000,000 Hz

Explanation:

Rearrange the formula:

wave speed = frequency × wavelength → frequency = wave speed ÷ wavelength

wave speed = 300,000,000m/s

wavelength = 6m

Substitute in the values:

frequency = 300,000,000 ÷ 6

frequency = 50,000,000 Hz

Hope this helps!

Refer to the attachment

Light waves are part of the electromagnetic spectrum. The frequency of light therefore is 1.5 * 10^15 Hz.

Light is an electromagnetic wave and we know that the speed of light is a constant which is 3 * 10^8 m/s.

Knowing this; v = λ * f

λ = wavelength

f= frequency of light

v = seed of light

f = v/λ

f =  3 * 10^8 m/s/2.0 x 10-7 m

f = 1.5 * 10^15 Hz

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Answer:

Photosynthesis

Explanation:

Photosynthesis is the process in which plants collect radiant energy (from the Sun) and transform it into chemical energy.

Answer:

Photosynthesis is the process in which plants collect radiant energy (from the Sun) and transform it into chemical energy.

Explanation:

BECAUSE I SAID, btw its right i promise

Answer:

Protons have a positive charge. Electrons have a negative charge. The charge on the proton and electron are exactly the same size but opposite. Since opposite charges attract, protons and electrons attract each other.

Explanation:

Answer:

• Oxygen is an element

Answer:

We can call it an element.

AMSWER :

CHEMICAL FORMULA :

• WATER - H2O

• CARBONDIOXIDE - CO2

• SODIUM HYDROXIDE - NaOH

• SULPHURIC ACID - H2SO4

• SODIUM CHLORIDE - NaCI

• SODIUM BICARBONATE - NaCHO3

Answer:

They are not pure elements, instead they are compounds, hence why they are not found on the periodic table. (Periodic table only consists of pure elements)

Answer:

b

Explanation:

Answer:

liquid

gas

Explanation:

liquid has an indefinite shape

gas has an indefinite shape

Answer:

gas and liquid

Explanation:

gas and liquid flow around and take the shape of their containers because the molecules are more spread apart

Answer:

Explanation:

The potential energy of a body can be found by using the formula

PE = mgh

where

m is the mass

h is the height

g is the acceleration due to gravity which is 9.8 m/s²

From the question we have

PE = 3 × 9.8 × 12.5 = 367.5

We have the final answer as

Hope this helps you

Answer:

A

Explanation:

Malleability describes the property of a metal's ability to be distorted below compression. It is a physical property of metals by which they can be hammered, shaped and rolled into a very thin sheet without rupturing. A soda can's walls are very thin, and therefore express the malleability of aluminum.

Answer:

the bond that forms between carbon and oxygen to create carbon dioxide

A polar covalent bond