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NeTakaya
3 years ago
5

Pls help me with this question!!

Chemistry
2 answers:
musickatia [10]3 years ago
6 0
Maybe it’s c I’m not sure
kotykmax [81]3 years ago
6 0

Answer: A

Explanation:

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What is the number of protons, neutrons, and electrons for isotope (Ta) with a mass number of 181?
ipn [44]

Answer:

Explanation:

Name: Tantalum

Symbol: Ta

Atomic Number: 73

Atomic Mass: 180.9479 amu

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Boiling Point: 5425.0 °C (5698.15 K, 9797.0 °F)

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7 0
2 years ago
Welding is an industrial process that is used to join pieces of metal. A certain mixture of gases used in welding is composed of
GarryVolchara [31]

The given question is incomplete. The complete question is :

Welding is an industrial process that is used to join pieces of metal. A certain mixture of gases used in welding is composed of carbon dioxide and argon. The partial pressure of carbon dioxide is 0.080 atm and the partial pressure of argon is 0.24 atm. What is the total pressure of the mixture.

Answer:  0.32 atm

Explanation:

According to Dalton's law, the total pressure is the sum of individual pressures.

p_{total}=p_{CO_2}+p_{Ar}

Given : p_{total} =total pressure of gases = ?

p_{CO_2} = partial pressure of carbon dioxide = 0.080 atm

p_{Ar} = partial pressure of argon = 0.24 atm    

putting in the values we get:

p_{total}=0.080atm+0.24atm  

p_{total}=0.32atm

Thus the total pressure of the gases is 0.32 atm

8 0
3 years ago
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