what does ivf stand for and sexual intercom

Answer:

The Coefficient is 1

Explanation:

Answer:

OH-(aq)+H+(aq)->H2O(l)

Answer is shown in photo.

Explanation :

APEX

Answer:

yo no se nada

Explanation:

solo se que no se nada xd

Explanation:

(1)It is easily reversable, example: the melting of ice.

(2)It produces no new substance example: all cases of melting of solid to liquid.

(3) There is no change in the mass of the substance

example: the magnetization of iron.

(1)It is not easily reversable, example: all cases of burning.

(2) new substance are produced example: rusting of iron.

(3) There is change in the mass of the substance, example : slaking of lime.

The theoretical yield of NaBr given that 2.36 moles of FeBr₃ reacts is 7.08 moles

2FeBr₃ + 3Na₂S → Fе₂S₃ + 6NaBr

From the balanced equation above,

2 moles FeBr₃ reacted to produce 6 moles of NaBr

From the balanced equation above,

2 moles FeBr₃ reacted to produce 6 moles of NaBr

Therefore,

2.36 moles FeBr₃ will react to produce = (2.36 × 6) / 2 = 7.08 moles of NaBr

Therefore,

Thus, the theoretical yield of NaBr is 7.08 moles

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Answer:

7.08

Explanation:

The physical matter of which living or non living things are composed is called a molecule

A molecule is the smallest particle of an element or a compound which can normally exist alone and still retain the properties of that substance.

A molecule could be made up of an atom of an element of different atoms of elements such as:

So therefore, the physical matter of which living or non living things are composed is called a molecule.

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Answer:

+1

Explanation:

The oxidation state of Hg in Hg2Cl2 is +1. It has +1 state. 0=2Hg +2 (-1) Hg=+1. Mercury chloride (HgCl2) is considered as the dominant form of mercury in coal combustion flue gas. The oxidation state of an atom is the charge of this atom after ionic approximation of its heteronuclear bonds. The oxidation number is synonymous with the oxidation state. Determining oxidation numbers from the Lewis structure (Figure 1a) is even easier than deducing it from the molecular formula (Figure 1b). The oxidation number of each atom can be calculated by subtracting the sum of lone pairs and electrons it gains from bonds from the number of valence electrons. Bonds between atoms of the same element (homonuclear bonds) are always divided equally. When dealing with organic compounds and formulas with multiple atoms of the same element, it's easier to work with molecular formulas and average oxidation numbers (Figure 1d). Organic compounds can be written in such a way that anything that doesn't change before the first C-C bond is replaced with the abbreviation R (Figure 1c). Unlike radicals in organic molecules, R cannot be hydrogen. Since the electrons between two carbon atoms are evenly spread, the R group does not change the oxidation number of the carbon atom it's attached to.  

source: www.chegg.com

Answer: O A. +1

Explanation: i took the test

Answer:

atomic mass = 16 amu

Explanation:

The atomic mass is the total protons and neutrons in an element. The atomic number represents the total number of protons.

In this form, the superscript (raised exponent) represents the mass number/atomic mass. The subscript represents the atomic number. Therefore, if the number (16) is the superscript, this must be your answer.

¹⁶₈Z  
-----> 16 = mass number/ atomic mass
-----> 8 = atomic number

Answer:

Lactose is called milk sugar.

Explanation:

Hope It Helps!!!

Answer:

lactose

Explanation:

credits to the answer above !

The rheo leaf peel will lose water by osmosis and become flaccid. If the rheo leaf was boiled, this would not happen.

Across living membranes, water moves from a region of high to a region of low water potential.

Concentrated sugar solutions have low water potential when compared to the cell sap of the cells of rheo leaf peel. Thus, water will move from the rheo leaf peel to the sugar solution.

This will result in the wilting of the leaf peel.

If the leaf peel is boiled, the membranes in the cells die and can no longer function as a selectively permeable interface.

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An alpha helix which is 18 amino acids long will have 12 hydrogen bonds.

The alpha helix (α-helix) is a common in the secondary structure of proteins and is a right hand-helix conformation in which every backbone N−H group hydrogen bonds to the backbone C=O. group of the amino acid located four residues earlier along the protein sequence.

The alpha helix is stabilized by hydrogen bonds (shown as dashed lines) from the carbonyl oxygen of one amino acid to the amino group of a second amino acid.

Because the amino acids connected by each hydrogen bond are four apart in the primary sequence, these main chain hydrogen bonds are called "n to n+4.

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Carbon monoxide blocks oxygen in the blood. Hence, option A is correct.

Combustion is a chemical process or a reaction between Fuel (Hydrocarbon) and Oxygen.

During incomplete combustion part of the carbon is not completely oxidized producing carbon monoxide (CO). Incomplete combustion uses fuel inefficiently and carbon monoxide is released.

Carbon monoxide gas diffuses rapidly across the pulmonary capillary membrane, binding to haemoglobin with an affinity 200 times that of oxygen to form carboxyhemoglobin. By displacing oxygen, CO decreases the oxygen-carrying capacity and oxygen delivery to tissues, causing marked cellular hypoxia and acidosis.

Hence, option A is correct.

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Oxygen is an example of a diatomic element.

Answer:

a.  [tex]P_2=1.38*10^4[mmHg][/tex]

Explanation:

If the Temperature of a gas remains constant (and if the amount of gas molecules doesn't change), then compressing the gas from 12.11 L to 0.669L will increase its pressure through Boyle's Law:  [tex]P_1V_1=P_2V_2[/tex]

We'll also need to recall that atmospheric pressure with units of mmHg (since that is the unit requested in the answer) is 760 mmHg.

Letting the initial Pressure and Volume be the P1 and V1, and the final pressure be the P2 and V2, we can substitute and solve:

[tex]P_1V_1=P_2V_2[/tex]

[tex](760[mmHg])(12.11[L])=P_2(0.669[L])[/tex]

[tex]\dfrac{(760[mmHg])(12.11[L \!\!\!\!-])}{0.669[L \!\!\!\!-]}=\dfrac{P_2(0.669[L]\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!{----})}{0.669[L]\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!{----}}[/tex]

[tex]13757.2496[mmHg]=P_2[/tex]

Since the final pressure is only measured to 3 significant figures, we round the pressure accordingly

[tex]13800[mmHg]=P_2[/tex]

Note that in scientific notation, this is [tex]P_2=1.38*10^4[mmHg][/tex], occasionally written as [tex]1.38\text{E}4[mmHg][/tex]

Answer: Gamma radiation

Explanation:

Gamma rays have high penetrating power, similar to high-energy X-rays.

M₁V₁=M₂V₂

20 x V₁ = 3.5 x 755

V₁ = 132.125 ml

Answer:

Explanation:The ratio of Coulomb force to gravitational force for an electron and a proton is given as,

r

1

​

=

R

2

Gm

1

​

m

2

​

​

4πε

0

​

1

​

×

R

2

q

1

​

q

2

​

​

​

=

6.67×10

−11

×9.1×10

−31

×1.67×10

−27

9×10

9

×(1.6×10

−19

)×(1.6×10

−19

)

​

=

1

2.27×10

39

​

The ratio of Coulomb force to gravitational force for two protons is given as,

r

2

​

=

R

2

Gm

2

​

4πε

0

​

1

​

×

R

2

q

1

​

q

2

​

​

​

=

6.67×10

−11

×(1.67×10

−27

)

2

9×10

9

×(1.6×10

−19

)×(1.6×10

−19

)

​

=

1

1.24×10

36

​

(b)

The magnitude of Coulomb force between electron and proton is given as,

F=

4πε

0

​

1

​

×

R

2

q

1

​

q

2

​

​

=

(10

−10

)

2

9×10

9

×(1.6×10

−19

)×(1.6×10

−19

)

​

=2.304×10

−8

N

The acceleration of electron is given as,

a

1

​

=

m

1

​

F

​

=

9.1×10

−31

2.304×10

−8

​

=2.5×10

22

m/s

2

The acceleration of proton is given as,

a

2

​

=

m

2

​

F

​

=

1.67×10

−27

2.304×10

−8

​

=1.4×10

19

m/s

2

The safe house of lean might influence a product owner to provide better customer service.

The safe house of lean is designed to provide ultimate value to the customer one the shortest possible time.

Employing the safe house of lean might influence the product owner in the following two ways:

Therefore, the safe house of lean might influence a product owner to provide better customer service.

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The best way to make an accurate measurement of the height of a polar liquid is to take the reading from the lowest point of the meniscus.

The meniscus of a liquid is a curved that occurs at the top of a liquid placed in a container as a result of the attractive forces between the molecules of a the liquid.

Polar substances such as water have a concave meniscus as they dip downwards.

Therefore, the best way to make an accurate measurement of the height of a polar liquid is to take the reading from the lowest point of the meniscus.

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solid : the molecules are tightly packed

liquid : the molecules have some space in them

gas : molecules can freely move around

Answer:

Season 5 lol

Explanation:

Answer:

season 1

Explanation:

the man was shot rip

The molarity of the HCl acid will be 0.001 M.

A neutralization reaction is when an acid and a base react to form water and a salt and involves the combination of H⁺ ions and OH⁻ ions to generate water.

This is the neutralization of a strong acid (HCl) and a strong base (NaOH), which is ruled by this equation :

HCl (aq) + NaOH (aq) → NaCl (aq) + H₂O (l)

Mole Ratio : 1 mol HCl : 1 mol NaOH

Formula used ;

Molarity  = number of moles  / Volume  (in liters)

Solve for n ;

n = M × V

Substitute values and compute ;

n = 0.40 M × 0.025 liter = 0.01 moles NaOH.

As the molar ratio is NaOH : HCl

Therefore, there will be same number mole for the HCl

Now, Molarity of HCl Solution ;

Molarity = n / volume

Molarity = 0.01 / 10

             =  0.001 M HCl

Hence, The molarity of the HCl acid will be 0.001 M.

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Answer:

I would say there would be 5-10% in a city, and maybe 10-20% in the country. It mainly varies depending on how big the city is, how many people/districts there are, and the size of the country, which makes it hard to give a certain percent of shops, as there may be small businesses included as well or new shops being built.

Hope this helps! This was pretty confusing for me as well so i hope the answer is alright (×﹏×)

The molar mass of gas is 6.48 g/mol

Graham's law of diffusion states that the rate of diffusion of a gas is inversely proportional to the density of the gas.

The molar mass of Hydrogen gas = 2

R2/R1 = 1.8

Molar mass of gas = 2 × 1.8 × 1.8

Molar mass of gas = 6.48 g/mol

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Answer:

32.0 is the answer which is divide able to 65 or -85

Moles of electrons:

The moles of electrons that are transferred are 12F

A balanced equation:

2 moles of Aluminium metal react with excess copper(II) nitrate.

[tex]2Al + 3Cu{(NO_3)}_2 \rightarrow 2Al{(NO_3)}_3 +3 Cu[/tex]

Given:

Moles of Aluminium = 2

As Aluminium goes from 0 to +3 oxidation state

[tex]Al \rightarrow Al^{3+} + 3e^-[/tex]

And copper goes from +2 to 0

[tex]Cu^{2+} + 2e^-\rightarrow Cu[/tex]

On balancing the number of electrons we get:

For 1 mole of Al [tex]6e^-[/tex] is required.

Therefore for 2 moles of Al,

Total [tex](2\times6)[/tex]F mole of electrons

Where F= Faraday's constant= 96500 C

So, 12F moles of electrons are transferred.

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Answer:

0.057 M

Explanation:

To find the new molarity, you need to (1) find the moles (via the molarity equation using the old molarity and volume) and then (2) calculate the new molarity (via the molarity equation using the combined volume and old moles).

(Step 1)

60 mL / 1,000 = 0.06 L

Molarity (M) = moles / volume (L)

1.0 M = moles / 0.06 L

(1.0 M) x (0.06 L) = moles

0.06 = moles

(Step 2)

0.06 L + 1 L = 1.06 L

Molarity (M) = moles / volume (L)

Molarity = 0.06 moles / 1.06 L

Molarity = 0.057 M

Answer:

C. Battery acid burning the floor

Explanation:

C. Battery acid burning the floor

in combustion fire is created

Battery acid burning the floor is NOT an example of combustion occurring.

The answer is option C.

Combustion is a chemical process or a reaction between the gas (Hydrocarbon) and Oxygen. while gasoline and oxygen react it releases warmth and light energy. heat and light energy then result in the flame. So, the system for Combustion reaction is Hydrobcarbon + Oxygen = warmness electricity.

Combustion in daily existence examples is: Burning of wooden or Coal for the family functions. Burning of Petrol or Diesel for using vehicles like vehicles. Combustion of herbal gas or LPG.

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Answer:

13448

Explanation:

i think im wrong but

164(82)=13448

it's 82g/mol) for this question