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makkiz [27]
3 years ago
12

Answer the questions attached in the image below: . . . . . {No spams}

Chemistry
1 answer:
katovenus [111]3 years ago
7 0

Answer:

vinegar is acidic

water should be neutral but people say since it's pH 7,it will be more alkaline

salt solution is acidic

lemon juice is acidic

sugar solution is alkaline

soap is alkaline

Methyl orange will turn red with grapefruit juice.

Methyl orange will turn yellowish orange or lemme say red with oven cleaner

The addition of pure water to methyl orange will not have an effect on the color and the solution will still be around neutral pH and yellow in color.

Explanation:

Working on number 7

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Answer:

If the mass stays constant the object's density decreases as the volume increases. ... Because the property of density is a constant for all variables, density can be used to identify the material an object is made of.

Explanation:

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How many unpaired electrons are present in a ground-state atom from each of the following groups?
musickatia [10]

For 7A(17) :

Electronic configuration ns^2 np^5

So, there are 5 unpaired electrons present in group 7A(17).

<h3>What are Unpaired Electrons?</h3>
  • An unpaired electron is an electron that doesn't form part of an electron pair when it occupies an atom's orbital in chemistry.
  • Each of an atom's three atomic orbitals, designated by the quantum numbers n, l, and m, has the capacity to hold a pair of two electrons with opposing spins.
  • Unpaired electrons are extremely uncommon in chemistry because an object carrying an unpaired electron is typically quite reactive. This is because the production of electron pairs, whether in the form of a chemical bond or as a lone pair, is frequently energetically advantageous.
  • They play a crucial role in describing reaction pathways even though they normally only appear momentarily during a reaction on a thing called a radical in organic chemistry.

To learn more about unpaired electrons with the given link

brainly.com/question/14356000

#SPJ4

6 0
2 years ago
Aluminum and copper are examples of what
agasfer [191]
They are examples of elements.
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When liquid heats up is it a chemical change
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How do the circulatory system and the respiratory system function together in the body?
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The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart

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