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kvasek [131]
3 years ago
13

How do u send pics of the answer

Chemistry
2 answers:
VikaD [51]3 years ago
8 0
Look at the attached pic.. there is icon to click a new picture and next to it is another icon if u want to attach a pic from gallery then the next icon. If u want to attach an answer by clicking a new pic then click on icon which i have circled with red.

Akimi4 [234]3 years ago
4 0
There is a camera button right above the keyboard
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Why does oxygen exist as a diatonic molecule and not simply the O atom
Brrunno [24]

Answer:

Oxygen exists as a diatomic molecule in nature when it is not combined with any other element. It forms O2 molecule because it is stable when it is uncombined. It has the lowest energy level when uncombined. ... By achieving octet configuration, the diatomic elements become more stable compared to the single atom.

Explanation:

plsssss.... Mark me as the brainliest

6 0
2 years ago
Write an importance of endothermic reactions​
KengaRu [80]

Answer:

the uses of exothermic reactions are:

1) lighting of stove

2) self heating cans

3) hand warmers

4) in some case exothermic process can be used to cook food such as rice  (by adding calcium oxide to water heat is evolved and it helps to cook food )

Explanation:

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8 0
2 years ago
Pyridoxine contains 11 hydrogen atoms, 8 carbon atoms, 3 oxygen atoms, and 1 nitrogen atom. what is the chemical formula for pyr
FinnZ [79.3K]
Pyridoxine contains 11 hydrogen atoms, 8 carbon atoms, 3 oxygen atoms, and 1 nitrogen atom. The chemical formula would be C8H11NO3. A chemical formula of a substance tells the number of atoms of the elements that is involved in the compound. Pyrodoxine is commonly known as vitamin B6. It is mostly found in food like meat, whole grains, nuts and avocados. Also, it is can be present in dietary supplements. It has a number of important functions in the body. Dietary supplements are manufactured to prevent vitamin B6 deficiency. Also, it is used in treating a specific type of anemia or the lack of red blood cells. 
7 0
3 years ago
An atom has 5 protons, 4 electrons, and 5 neutrons. Which
Likurg_2 [28]

Answer:

i think the answer is C

Explanation:

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3 0
2 years ago
Read 2 more answers
A student attempts to separate 4.656 g of a sand/salt mixture just like you did in this lab. After carrying out the experiment,
nikitadnepr [17]

Answer:

Explanation:

a ) Total mixture = 4.656 g

Sand recovered = 2.775 g

percent composition of sand in the mixture

= (2.775 g / 4.656 g ) x 100

= 59.6 % .

b )

Total of sand and salt recovered = 2.775 g + .852 g = 3.627 g .

Total mixture = 4.656 g

percent recovery = (3.627 / 4.656 ) x 100

= 77.9 % .

4 0
2 years ago
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