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Alex73 [517]
3 years ago
7

In a reaction of an acid with a base, the pH changes to a value that is closer to what?

Chemistry
1 answer:
ZanzabumX [31]3 years ago
8 0
The pH changes to a value closer to 7, which is considered neutral.

This, however, only applies to all reactions between strong acids and strong bases. If the reaction either involves a weak acid and/or a weak base, the computation of the final pH may slightly be more complicated.
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If 82.5 mol of an ideal gas occupies 10.5 l at 317 k, what is the pressure of the gas?
Natali5045456 [20]

P=20707.7 atm

<h3>What is the molar form of the ideal gas law?</h3>

The ideal gas law is a straightforward formula that describes the relationship between an ideal gas's pressure P, volume V, and temperature T. Unless there is a strong reason to treat gases differently, we normally treat gases as ideal because of how straightforward this relationship is:-

PV=nRT

where ;

P= Pressure=?

V= Volume= 10.5 L

n= no.of mol.= 82.5 mol

R=Ideal gas constant= 8.314 joule / mol kelvin

T=Temperature= 317 K

using Given value:-

P= nRT/ V

P=(82.5 x 8.314 x 317) / 10.5

P=20707.7 atm

Learn more about Ideal gas law here:-

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8 0
1 year ago
Tetrachloromethane, CCl4, is classified as a
Soloha48 [4]
Correct Answer: <span>compound because the atoms of the elements are combined in a fixed proportion.

Reason:
A </span><span> chemical </span>compound is a chemical substance composed of element (of same or different type) that are bonded in a fixed proportion. Depending upon the type of element, bond can be ionic or covalent. In present case, <span>tetrachloromethane i.e. CCl4 has one 'C' atom that is covalently bonded to four 'Cl' atoms. </span>
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Sauron [17]

Answer:

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Explanation:

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Answer:

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Explanation:

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lesantik [10]
True. 

For example: Sodium oxide and Nitric acid; both compounds contain oxygen. 
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