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GREYUIT [131]
2 years ago
7

Which piece of glassware shown below is used to hold and dispense a solution of known concentration during a titration?

Chemistry
1 answer:
Musya8 [376]2 years ago
4 0

Answer:

Answer C

Explanation:

Got it off of q**zlet ;)

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Iron (III) oxide pentahydrate formula
Nina [5.8K]

Answer:

Molecular Formula Fe2O12S3·5H2O

IUPAC Name iron(3+);tri sulfate;pentahydrate

Explanation:

4 0
3 years ago
What traits do all organisms with no internal themoregulation have?
Nesterboy [21]
Ectothermy and Endothermy
4 0
3 years ago
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How many oxygen atoms are in 2(NO3)
torisob [31]

6 Oxygen atoms

Explanation:

In the molecule 2(NO₃):

An atom is the smallest indivisible particle of any substance. They chemically combine to give compounds and molecules. Some of them are able to exist on their own.

An element is a substance that has a unique atom.

      NO₃ has two elements: N   and O

      Number of atoms:

    N = 1

    O = 3

but we have two moles of NO₃

 O = 3 x 2 = 6

 N = 1 x 2 = 2

learn more:

Number of atoms brainly.com/question/10419836

#learnwithBrainly

5 0
3 years ago
Cora, an electrician, wraps a copper wire with a thick plastic coating. What is she most likely trying to do? keep the electric
Alekssandra [29.7K]

Answer: keep a current from passing out of the wire

Explanation: plastic is an insulator and will not conduct electricity

3 0
3 years ago
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If an electron falls from the n = 2 to the n = 1 energy levels in a Hydrogen atom what wavelength of light is emitted?
telo118 [61]

The wavelength is obtained as 122 nm. Option A

<h3>What is the wavelength?</h3>

We know that from the Bohr model of the atom, an electron can move from a higher energy level to a lower energy level or from a lower energy level to a higher energy level. This is the idea of energy quantization as put forward by Neill Bohr.

The wavelength can be obtained by the use of the formula;

1/λ = RH(1/n^2initial - 1/n^2 final)

λ = wavelength of the emitted light

RH = Rydberg's constant

n intial = initial energy level

nfinal = final energy level

Thus;

1/λ = 1.09 * 10^7(1/1^2 - 1/2^2)

1/λ = 1.09 * 10^7( 1 - 0.25)

λ = 122 nm

Learn more about the wavelength:brainly.com/question/13533093

#SPJ1

6 0
1 year ago
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