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Nat2105 [25]
2 years ago
12

What is the most important alloy that we use in construction?

Chemistry
2 answers:
madam [21]2 years ago
7 0

Answer:

Carbon steel and alloy steels are the most widely used and the most extensively regulated construction material.

Explanation:

. They have strength, flexibility, ductility, and weldability.

olya-2409 [2.1K]2 years ago
5 0

Answer:

construction means everything is built from

EXCEPT NATURE

Explanation:

MARK BRAINLIEST THANK U

HAVE A LOVELY DAY

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A sample of Br2(g) takes 12.0 min to effuse through a membrane. How long would it take the same number of moles of Ar(g) to effu
IrinaVladis [17]

Answer:

6 mins

Explanation:

The time taken for Ar to effuse can be obtained as follow:

Time for Br₂ (t₁) = 12 mins

Molar mass of Br₂ (M₁) = 2 × 80 = 160 g/mol

Molar mass of Ar (M₂) = 40 g/mol

Time for Ar (t₂) =?

t₂/t₁= √(M₂/M₁)

t₂ / 12 = √(40/160)

Cross multiply

t₂ = 12 × √(40/160)

t₂ = 12 × 0.5

t₂ = 6 mins

Therefore, it will take 6 mins for the same amount of Ar to effused out.

8 0
2 years ago
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exis [7]

The water cycle shows the continuous movement of water within the Earth and atmosphere. It is a complex system that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow.

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6 0
2 years ago
An electrochemical cell is powered by the half reactions shown below.
andrezito [222]
Reduction reactions are those reactions that reduce the oxidation number of a substance. Hence, the product side of the reaction must contain excess electrons. The opposite is true for oxidation reactions. When you want to determine the potential difference expressed in volts between the cathode and anode, the equation would be: E,reduction - E,oxidation. 

To cancel out the electrons, the e- in the reactions must be in opposite sides. To do this, you reverse the equation with the negative E0, then replacing it with the opposite sign. 

Pb(s) --> Pb2+ +2e-      E0 = +0.13 V
Ag+ + e-  ---> Ag           E0 = +0.80 V

Adding up the E0's would yield an overall electric cell potential of +0.93 V.
7 0
3 years ago
Mrs. Rushing fills a balloon with hydrogen gas to demonstrate its ability to burn. Which combination could she use to produce th
ale4655 [162]

Answer:

Mg and HCI

Explanation:

3 0
2 years ago
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HELP ASAP PLEASE WHAT IS THIS ANSWER
JulijaS [17]

Answer:

im pretty sure its c

Explanation:

6 0
2 years ago
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