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slega [8]
4 years ago
12

What three achievements in space exploration that involved The United States

Chemistry
2 answers:
mixer [17]4 years ago
7 0
They launched its 1st space station called Skylab
Marta_Voda [28]4 years ago
6 0
I do not know but I think one was landing a man on the moon
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Explanation:

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Consider four different samples: aqueous LiBr , molten LiBr , aqueous AgBr , and molten AgBr . Current run through each sample p
Charra [1.4K]

Answer:

a) Aqueous LiBr = Hydrogen Gas

b) Aqueous AgBr = solid Ag

c) Molten LiBr = solid Li

c) Molten AgBr = Solid Ag

Explanation:

a) Aqueous LiBr

This sample produces Hydrogen gas, because the H+ (conteined in the water) has a reduction potential higher than the Li+ from the salt. Therefore the hydrogen cation will reduce instead of the lithium one and form the gas.

b) Aqueous AgBr

This sample produces Solid Ag, because the Ag+ has a reduction potential higher than the H+ from the water. Therefore the silver cation will reduce instead of the hydrogen one and form the solid.

c) Molten LiBr

In a molten binary salt like LiBr there is only one cation present in the cathod. In this case the Li+, so it will reduce and form solid Li.  

c) Molten AgBr

The same as the item above: there is only one cation present in the cathod. In this case the Ag+, so it will reduce and form solid Ag.  

6 0
4 years ago
Which atom is most lickley to be shiny?<br> Sulfur<br> Boron<br> Calcium <br> Carbon
Arisa [49]

Answer:

Calcium

Explanation: Calcium is a fairly soft metal with a shiny silver surface when first cut.

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