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mylen [45]
3 years ago
13

What is an example of a stable system

Chemistry
2 answers:
KiRa [710]3 years ago
8 0
An example of a stable system is a chemical reaction that is in equilibrium.A reaction at equilibrium has both forward and backward reactions in which the rate of forward reaction is equal to the rate of the backward reaction.
photoshop1234 [79]3 years ago
4 0
The answer would be a ball on a hill. hope that helped
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Are all physical reactions reversible?
LUCKY_DIMON [66]

Answer: answer is A

Explanation:

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3 years ago
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A 1.67-g sample of solid silver reacted in excess chlorine gas to give a2.21-g sample of pure solid Agcl.The heat given off in t
kotegsom [21]

<u>Given:</u>

Mass of Ag = 1.67 g

Mass of Cl = 2.21 g

Heat evolved = 1.96 kJ

<u>To determine:</u>

The enthalpy of formation of AgCl(s)

<u>Explanation:</u>

The reaction is:

2Ag(s) + Cl2(g) → 2AgCl(s)

Calculate the moles of Ag and Cl from the given masses

Atomic mass of Ag = 108 g/mol

# moles of Ag = 1.67/108 = 0.0155 moles

Atomic mass of Cl = 35 g/mol

# moles of Cl = 2.21/35 = 0.0631 moles

Since moles of Ag << moles of Cl, silver is the limiting reagent.

Based on reaction stoichiometry: # moles of AgCl formed = 0.0155 moles

Enthalpy of formation of AgCl = 1.96 kJ/0.0155 moles = 126.5 kJ/mol

Ans: Formation enthalpy = 126.5 kJ/mol


6 0
3 years ago
Read 2 more answers
how many grams of nitrogen gas will be formed upon the complete reaction of 30.6 grams ammonium nitrate
artcher [175]

Answer:

5.355 g

Explanation:

first you have 30.6 g from ammonium nitrate ( NH4NO3 )

molecular weight for NH4NO3 is 80 g/mole

and molecular weight for nitrogen gas N2 is 14 g/ mole

make this

NH4NO3 -------------->  N2

80 g/mol  --------------> 14 g/mol

30.6 g      --------------->   x

So X = 14 x 30.6 ÷ 80 = 5.355 g of N2

Good Luck

3 0
3 years ago
Science and technology are different, yet related, fields of study. Which action is best classified as science?
Nitella [24]

Answer:

Option D

Explanation:

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Hope this helped, have a nice day! :)

7 0
3 years ago
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