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forsale [732]
3 years ago
13

PLEASE HELP!!!

Chemistry
1 answer:
SIZIF [17.4K]3 years ago
3 0
I’ll give you NaCl but not all of them

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REALLY NEED HELP
Makovka662 [10]

Answer:

Explanation:

1. Temperature of the bottle when only helium gas was present :T

P= 1.83 atm

V = 2.50 L

n = 0.458 moles

Using an Ideal gas equation:

PV=nRT

T= PV/nR= 1.83*2.50/0.458* 0.0821 =121.81K

2. Temperature of the bottle when argon gas is added into the container:T'

P' =2.05 atm

V = 2.50 L

n' = 0.458 mol + 0.713 mol = 1.171 mol

PV=nRT

T= PV/nR = 1.83*2.50/1.171*0.0802 = 53.37

The change in temperature will be

Final temperature = Initial temperature:T' - T

53.37 k - 121.81 K = -68.44 K

The change in temperature of the gas mixture is -68.44 K.

7 0
3 years ago
what are some negative impacts on the environment and society when the water cycle is disrupted and drought occurs ?
Alborosie

Some of the negative impact of disruption in water cycle are adverse environment, with affected farming, hydroelectricity, and deforestation.

The water cycle has been operated in the environment for the conversion of water in the different states. The water cycle has been operated with the conversion of water from the water body to the clouds by evaporation.

The evaporated water has resulted in clouds, that have been condensed and precipitated in the form of rain. The water cycle helps in maintaining the water balance in the ecosystem. It made the water available for use as well.

The drought has been the condition of the scarcity of water. In this condition, there has been a disruption of the water cycle. Some of the negative impacts resulting from the disruption of the water cycle are:

  • Adverse environmental conditions
  • Farming affected by water scarcity
  • Unavailability of hydroelectricity
  • Deforestation

For more information about water cycle, refer to the link:

brainly.com/question/1151425

5 0
3 years ago
Read 2 more answers
Which Cl isotope should we use to get the atomic mass of the element Cl?
Sati [7]

Answer:

i think it's B CI-35 only

Explanation:

hope this helps

5 0
3 years ago
Distinguish between zinc nitrate and lead nitrate ​
Kobotan [32]

Answer:

Zinc nitrate gives white ppt. which dissolves in excess ammonium hydroxide and produce a colorless solution whereas lead nitrate gives a chalky white ppt. of lead hydroxide which doesnot dissolve.

Explanation:

Hope this helps :)

7 0
3 years ago
What does dinitogen mean in a name
Svet_ta [14]
More information please i will need help
6 0
3 years ago
Read 2 more answers
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