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DENIUS [597]
3 years ago
8

Someone can help me with the question 3, please

Chemistry
1 answer:
pav-90 [236]3 years ago
5 0
Answer ————
60.8 g ammonia
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A student plots the magnetic field of a bar magnet using a compass the student centers the bar magnet in the middle of a piece o
olga55 [171]

The diagram best shows the magnetic field around the bar magnet is the diagram in option B.

<h3>What is the magnetic field?</h3>

The magnetic field refers to the region in space where the influence of a magnet can be felt. We know that strength of magnet can be seen by following the magnetic lines of force. The more the magnetic lines of force, the stronger the magnetic field especially when the line are packed closely together.

Looking at the diagrams of the magnetic lines of force, it must be recalled that the magnetic lines of force runs from the north pole to the south pole and not the other way round.  

Thus, the diagram best shows the magnetic field around the bar magnet is the diagram in option B.

Learn more about magnetic field:brainly.com/question/14848188

#SPJ1

4 0
2 years ago
Four atoms and/or ions are sketched below in accordance with their relative atomic and/or ionic radii. Which of the following se
kotykmax [81]

Answer:

Hence the correct option is an option (b) Sr4, Cl,Br−,Na+.

Explanation:    

Bromine and chlorine belong to an equivalent group. As we go down the group the dimensions increases which too there's a charge on the bromine atom. therefore the size of the Br- is going to be larger in comparison to the chlorine atom.

Sr atom is within the second group, and also it's below the above-mentioned atoms.so Sr is going to be the larger one among all the atoms.

Sodium and chlorine belong to an equivalent period .size decrease from left to right. but due to the charge on sodium its size decreases and there's an opportunity that Na+ size could be adequate for Cl.      

Here we finally assume that two atoms are of an equivalent size (Na+ and Cl) which are less in size compared to the opposite two(Sr and Br-) during which one is greater (Sr)and the opposite is smaller(Br-).

4 0
3 years ago
Which option explains how purple pigments make some flower petals purple?
raketka [301]

Many of the actual chemicals in flower petals that give them their different colors are called anthocyanins. These are water-soluble compounds that belong to a bigger class of chemicals known as flavonoids. Anthocyanins are responsible for creating the colors blue, red, pink, and purple in flowers.

3 0
3 years ago
PLZZZZZZZ HELP MEEEEEE!!!!!!!!!!
nikitadnepr [17]

Answer:

Its Obviously Dinosaurs

Explanation: They died 65 million years ago

7 0
3 years ago
You are in charge of inflating balloons for a parade. When you inflate the balloons in the morning, It will be 15 degrees Celsiu
tatiyna

Answer:

so you answer would be B

Explanation:

well what you would do is add 15+25=40  and what they are asking is whay are the degrees in the balloon so you would have B as your answer

hoped i helped have a great weekend

8 0
3 years ago
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