what should be done if a spectrophotometer reports an absorbance that is too high?

Answers

Answer 1
Absorbance values greater than or equal to 1.0 are too high. If you are getting absorbance values of 1.0 or above, your solution is too concentrated. Simply dilute your sample and recollect data . Keep in mind that absorbance is the logarithm of the transmission (T) of light through a sample

Hope this help

Related Questions

A formula unit represents the simplest ratio of elements in a

Answers

Answer:

formula unit

Explanation:

formula unit represents the simplest ratio of elements.

Someone pls help me I will make you brain

Answers

Answer:

less methane

Explanation:

methane is increasing because of global warming

Less methane convincing bunion Hitchcock century

Is fresh squeezed lemonade a homogeneous or heterogeneous mixture

Answers

Answer: This makes the lemonade a homogenous mixture

Explanation:

If the freshly squeezed lemonade is made by squeezing lemons to extract the sour juice and mixing this with water and sugar all the substances in the mixture finally created are in the same phase.

Someone pls help me I will make you brain

Answers

Answer:

nosé

Explanation:

wadsdfc evdcaedc<dc

Answer:

second one

Explanation:

I'll pay someone to do my chemistry work.

Answers

Answer:

yo te puedo ayudar

tu solo di cuando donde

Explanation:

What kind of work is it

In San Diego (elevation 15 feet), you
step on a scale and weigh 115
pounds, using the same scale in
Denver, Colorado (elevation 5,280
feet) you would weigh
A. more than in San Diego
B. less than in San Diego
C. the same as in San Diego

Answers

Answer: b

Explanation:

It will weigh less than in San Diego. So, the correct option is (B).

What is Elevation?

The elevation of a geographic location is defined as its height above or below a fixed reference point known as a geoid which is a mathematical model of the Earth's sea level as an equipotential gravitational surface.

Height is defined as the vertical distance of a point on a horizontal surface while Elevation is the height of a point above (or below) sea level.

As the Elevation is higher, the weight will be less, whereas if the Elevation is less, then the weight will be more. For example, the elevation in San Diego is 15 feet, so the weight is 115 pounds, while the elevation in Denver, Colorado, is 5,280 feet, so the weight would be less than 115 pounds.

Thus, it will weigh less than in San Diego. So, the correct option is (B).

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20.What is it called when particles in a solid or liquid move slower and closer

together?

Answers

Answer:       freezing

Explanation:

when the atoms or molecules in a solid or liquid are moving slower and closer together, it is called brrrrrrrrr freezinf

If an atom has four electrons in the outer energy level, how will it form a bond?
A. It will gain electrons.
B. It will share electrons.
C. It will not form a bond.
D. It will lose electrons.

Answers

Answer:

b . Thunder formed between carbon atoms and other elements because carbon has four valence electrons it made take for Coral Bell and funds to obtain a complete outer energy level.

a space probe identifies a new element in a sample collected from an asteroid. successive ionization energies, in attojoules per atom, for the new element are given in the table. i1 i2 i3 i4 i5 i6 i7 0.507 1.017 4.108 5.074 6.147 7.903 8.294 to what family of the periodic table does this new element probably belong?

Answers

The element belongs to group 17 of the periodic table.

In the periodic table, elements are arranged in groups depending on their properties. Usually, elements whose atoms have the same number of valence electrons are placed in the same group.

All the elements in group 17 have seven electrons on their outermost shell. Since an ionization energies of the electrons on the valence shell of an atom are always close together, the ionization energies of the seven electrons as shown indicate that they must be on the same shell.

Hence, the new element must be a member of group 17 of the periodic table.

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water has a density of 1.0 g/mL. a plastic cup floats when it is placed into a container of water. what can you conclude about the density of the plastic cup? (look at the picture)

Answers

and curium is marie and pierre curie :)

Air pressure is greatest near the surface of the Earth in the _______.



Question 7 options:

Thermosphere


Mesosphere


Troposhere


Exosphere

Answers

The Troposphere because it contains about half of all the air in the entire atmosphere

electronegativities of the elements be, mg, ca, and sr follow a specific trend within their group. based on this trend, the atoms of which element will have the least attraction for an electron?

Answers

Based on the trend of electronegativities values of the elements Be, Mg, Ca, and, Sr within their group (increasing from bottom to top), the atoms of the element Sr will have the least attraction for an electron.  

We need to remember that electronegativity indicates the affinity or attraction of an element for an electron. Hence, the higher the electronegativity, the higher the attraction of that element for an electron.  

The values of electronegativities of the given elements are the following:

Be = 1.57

Mg = 1.31

Ca = 1.0

Sr = 0.95

We can see that the increasing trend of electronegativities in this group is from the bottom to the top, having the Sr with the lowest electronegativity value and the Be with the highest.  

This trend is related to atomic size, the larger the atomic size, the lower the electronegativity because the electron in the outermost shell will feel less attraction towards the nucleus of an atom. In a group of the periodic table, the size of an atom will increase from top to bottom.          

Therefore, according to the said above, the atoms of the Sr will have the least attraction for an electron (it has the lower electronegativity value).

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An electromagnet is created by
A. putting a piece of soft iron in an outlet.
B. brushing a piece of steel with a soft cloth.
C. running electric current through a coiled, conductive wire.
D. rubbing two pieces of metal together quickly.

Answers

A. putting a piece of soft iron in an outlet

I will brainless who can answer this all pleaseeeeejvv​

Answers

Answer:

White-Blue-Red-Yellow-Orange

Explanation:

The sun emits all colors of the rainbow more or less evenly.

⚠️ I'm not 100% sure but for sure there is White ⚠️

Which substance tends to form anions when bonding with other elements?


oxygen


calcium


argon


sodium

Answers

Answer:

A) Oxygen

Explanation:

i just took the test.

If 1000 ml of linseed oil has a mass of 992 g, calculate the density of linseed oil.

Answers

Answer:

0.99 g/mL

Explanation:

The density of a substance can be found by using the formula

[tex]density = \frac{mass}{volume} \\[/tex]

From the question

mass = 992 g

volume = 1000 mL

We have

[tex]density = \frac{992}{1000} \\ = 0.992[/tex]

We have the final answer as

0.99 g/mL

Hope this helps you

How would you change liquid water into ice? Be sure to explain what is happening to the energy (the heat)

Answers

Answer:

By putting the liquid water in the fridge

Explanation:

When it is solid the heat will melt to liquid water and if you put it inside a boiling kettle if it boil finished it will bring out gas,if you open it the cover of the kettle you see water if you put it in the fridge and it will be solid again.

what is the name of the ionic compound made of beryllium and chlorine?

Answers

Answer:

beryllium chloride

Explanation:

Therefore a compound made from beryllium and chlorine will be named beryllium chloride.

at the end of the isomerization reaction, what chemical is used to quench the residual bromine?

Answers

Answer:

They are constitutional isomers and diastereomers.

PLZZ HELP
Which of the following Is acompound?
Ne
N₂
Naci
02​

Answers

Answer:

[tex]N2[/tex]

Explanation:

Because  

Molecular nitrogen (N2) is a very common chemical compound in which two nitrogen atoms are tightly bound together.

why does the reaction of anthracene with maleic anhydride needs to be kept away from water?

Answers

Answer:

Water separates the two reactants into two layers, stopping the reaction.

Explanation:

Maleic anhydride can and will react with water.

The reaction between maleic anhydride and anthracene is a Diels Alder reaction. This type of reaction is a cycloaddition reaction.

What is Diels Alder reaction?

The Diels Alder reaction is a member of a class of reactions called cycloadditions. This reaction involves three pi bonds, two from the diene and one from the dienophile in a concerted reaction to give a six-membered ring.

Since this reaction involves four pi electrons in the diene and two pi electrons from the dienophile, it is sometimes referred to as a 4+2 cycloaddition.

The presence of electron donating groups on the diene and the electron withdrawing groups on the dienophile favors normal Diels Alder reactions. The reaction involves the formation of new σ bonds which are energetically more stable than π bonds.

Anthracene can react with water, breaking the center ring. Maleic anhydride can react with water, opening its ring. The reactants get seperated into two layers by water and thereby stops the reaction.

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Based on location in the periodic table, which element has chemical properties that are most similar to iodine
xenon (Xe)
calcium (Ca)
Selenium (Se)
fluorine (F)

Answers

Answer:fluorine

Explanation:

Based on location in the periodic table, fluorine (F) has chemical properties that are most similar to iodine.

In the periodic table, elements are classified in groups and periods. The elements in the same group are chemically similar and they have the same number of valence electrons. Elements in the same period have the same highest energy level.

Hence, when looking for an element that is most chemically similar to iodine, we have to consider the element that is in the same group with iodine.

Both fluorine are iodine are both in group 17 hence, fluorine is most chemically similar to iodine.

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I will make you brainless just answer this all pleasee

A. If the statement is true, write T; if the statement is false, write F.​

Answers

am not sure

Explanation:

1T

2T

3T

4F

5F

6F

7F

8T

9T

10T

Minerals have:

A. an exact chemical composition, such as SiO2.
B. a small range in chemical composition, such as (Mg, Fe)2SiO4
C. a large range in chemical composition, such as (Mg, Fe, Al, K, Na)2SiO4
D. no set chemical composition.

Answers

Answer:

B

Explanation:

i don't know minerals a good for the body

guys help plz I need it​

Answers

Answer:

may be the answer will be study the structure of the earth and resources.

during the process of nuclear decay what form of energy is released?

Answers

Answer:

Mostly Kinetic

Explanation:

Do you have more human cells or
bacteria cells in your body?

Answers

There are more bacteria cells in your body than human cells.

If yuo put hand sanitizer in a bottle, light a match, drop it in the bottle, what will happen?

Answers

Answer: As hand sanitizer dries, it evaporates into gas, which can also catch fire. That’s why the experts recommend that people avoid lighters, matches and fires after using hand sanitizer.

Explanation:

Explanation:

A medida que se seca el desinfectante de manos, se evapora en gas, que también puede incendiarse. Es por eso que los expertos recomiendan que las personas eviten los encendedores, fósforos y fuegos después de usar desinfectante para manos.

How many valence electrons in this electron configuration 1S2 2S2 2P6 3S2

Answers

Answer:

Explanation:

Electron Configurations

A B

Fluorine 1s2 2s2 2p5

Neon 1s2 2s2 2p6

Sodium 1s2 2s2 2p6 3s1

Magnesium 1s2 2s2 2p6 3s2

I will brainless who can answer this all pleaseeeee​

Answers

Answer:

I think the answer is yellow or White

Explanation:

because it is the visible light that I know

mask me as brainless

thanks

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