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Alex17521 [72]
3 years ago
8

A device used to measure the pressure of an enclosed gas is a _____.

Chemistry
2 answers:
sweet-ann [11.9K]3 years ago
5 0
Manometer is the device used to measured the pressure of an enclosed gas

d1i1m1o1n [39]3 years ago
4 0

Answer: option A, Manometer

Explanation:

Barometer is used to measure the pressure of certain environment

Thermometer is used to measure temperature

Seismometer is used to measure earth movement especially during Earth quakes

Hence correct answer is manometer is used to measure the pressure of an enclosed gas.

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No one can do that by him or her self

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Draw a mechanism for the reaction of ammonia with cyclohexane carboxylic acid. In the box to the left, draw any necessary curved
kirill115 [55]

Answer:

Answer is attached but read below for full explanation.

Explanation:

This reaction is called Hydrolysis of Amides. Amides are carboxylic acid derivatives where the -OH of the carboxylic acid has been replaced by -NH2, -NHR, or -NR2 of an amine. Since the reaction between a carboxylic acid and an amine to give an amide also liberates water, this is an example of a "condensation reaction".

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3 years ago
Running for presindentr
irina1246 [14]

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moo

6 0
4 years ago
If we had 11.3 g of nitrogen and 2 g of hydrogen, how much nitrogen would remain if all the hydrogen was consumed? g
meriva
Hydrogen reacts with nitrogen to produce ammonia based on the following equation:

3H2 + N2 ........> 2NH3

This means that each 6 grams of hydrogen react with 28 grams of nitrogen. To know how many grams of nitrogen are required to react with 2 grams of hydrogen, we will simply do cross multiplication as follows:

mass of nitrogen = (2 x 28) / 6 = 9.334 grams

Therefore, if we have 11.3 grams of nitrogen, 9.334 grams would react with 2 grams of hydrogen.

remaining mass of nitrogen = 11.3 - 9.334 = 1.966 grams


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