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jonny [76]
2 years ago
8

NO LINKS PLS!!! AND I WILL MARK THE BRAINEST ANSWER

Chemistry
1 answer:
Masja [62]2 years ago
5 0

Answer:

(H2O)n

raduim hydroxide

hBr

carbonic acid

Explanation:

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Mass = 25g, Volume = 5mL. What is the density? *
Fantom [35]

Answer:

5ml

Explanation:

m/v

25/5=5

means 25÷5=5

6 0
3 years ago
On a cold morning, the smoke coming out of a chimney is observed to be in blue color. What could be the reason? Name the effect
nirvana33 [79]

Stack effect? I'm not totally sure about this...

Explanation:

Large amount of tiny particles of water droplets, dust and smoke are present on a misty day. These tiny particles in the air scatter blue colour of white light passing through it. When this scattered light reaches our eyes, the smoke appears blue.

6 0
3 years ago
Give the chemical symbol of an element in the third period (row) of the periodic table with four 3p electrons.
Ann [662]

<u>Answer: </u>The chemical symbol of the element is Sulfur.

<u>Explanation:</u>

The element which is present in third period of the periodic table having four 3p electrons is Sulfur. Sulfur is the 16th element of the periodic table which has 6 valance electrons.

The electronic configuration of this element is:  [Ne]3s^23p^4

This element is considered as a non-metal because it will accept electrons in order to attain stable electronic configuration.

Hence, the chemical symbol of the element is Sulfur.

7 0
3 years ago
How many moles of lithium nitrate<br> (LINO3) are in 256 mL of a 0.855 M<br> solution?
sweet [91]

Answer:

There are 0.219 mol of LINO3

7 0
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How many moles of tin atoms are there in 250 grams of tin?
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250gTi x (1mol/47.87 [molar mass]) =5.22247 moles

4 0
3 years ago
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