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g100num [7]
3 years ago
9

Name a metal that does not corrode in air. why?​

Chemistry
2 answers:
Artyom0805 [142]3 years ago
5 0

Answer: Aluminum is the metal that does not corrode in the air.

Explanation:

Corosion is a natural process in which pure metals converted into oxides and reduce the life of metals.

Aluminum atom is a metal that belongs to react with the oxygen present in the air making aluminum oxides. These oxides attaches to the surface and does not allow another oxygen molecule entering it which prevent the process of corrosion.

Blababa [14]3 years ago
3 0

Answer: Aluminium Al

Explanation: It forms a protective shield on its surface when it reacts with air thus making corrosion difficult.

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When the nuclide iron-59 undergoes beta decay: The name of the product nuclide is . The symbol for the product nuclide is .
Travka [436]

Answer:

Explanation:

⁵⁹₂₆Fe --------- ⁰₋₁e + ⁵⁹₂₇Co

Co- 59 is known as Cobalt

its symbol is ⁵⁹₂₇Co

5 0
4 years ago
Calculate the volume of the gas when the pressure of the gas is 1.60 atm at a temperature of 298 K. There are 160. mol of gas in
LekaFEV [45]

Answer:

2445 L

Explanation:

Given:  

Pressure = 1.60 atm

Temperature = 298 K

Volume = ?

n =  160 mol

Using ideal gas equation as:

PV=nRT

where,  

P is the pressure

V is the volume

n is the number of moles

T is the temperature  

R is Gas constant having value = 08206 L.atm/K.mol

Applying the equation as:

1.60 atm × V = 160 mol × 0.08206 L.atm/K.mol × 298 K  

<u>⇒V = 2445.39 L</u>

Answer to four significant digits, Volume = 2445 L

6 0
4 years ago
A gas takes up a volume of 35 L, and has a pressure of 4.8 atm. What is the new pressure of
joja [24]

Answer:

7.3 atm

Explanation:

- Use the formula P1V1 = P2V2

- Rearrange formula and then plug in values.

- Hope this helped! Let me know if you need more help or a further explanation.

3 0
3 years ago
Determine how many moles of O2 are required to react completely with 4.6 mol of C4H10
kondaur [170]

Answer:

29.9 moles

2C²H¹⁰ needs 13 moles of O²

4.6 C⁴H¹⁰ needs X moles of O²

X= 13× 4.6 ÷ 2 = 59.8 ÷ 2 = 29.9 moles

3 0
3 years ago
4HCI + O2 =2H20 + Cl2
Sergio039 [100]

The rate of the backward reaction increases

Explanation:

It is evident that if the reaction is left to proceed spontaneously, the forward reaction is favored because it results in a decrease in pressure in the system (The total reactants have 5 moles and the products have 3 in total).

Increasing H₂O concentration is then reaction, therefore, stymies the forward reaction and favors the reserves reaction. This is because the reverse reaction will lead to reduced pressure.

6 0
3 years ago
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