3 years ago

What is mass transfer?

1 answer:

5 0

Mass transfer is the net movement of mass from one location, usually meaning a stream, phase, fraction or component, to another.

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Makovka662 [10]

Explanation:

Tollens' reagent is prepared by using two-step process : -

Step 1:

Silver oxide is formed by mixing aqueous silver nitrate with base like sodium hydroxide. The reaction is shown below as:

$AgNO_3 + NaOH &\rightarrow AgOH + NHO_3 \nonumber \\ 2AgOH &\rightarrow Ag_2O + H_2O$

Step 2

Ammonia solution is drop-wise added until all the silver oxide dissolves to form the reagent. The reaction is shown below as:

$Ag_2O + 4NH_3 + H_2O \rightarrow 2Ag(NH_3)_2^+ + 2OH^-$

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4 years ago

denpristay [2]

false - sodium is not a member of the transition elements, however copper is a member of the transition elements.

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anastassius [24]

An object that is traveling around another body in space is in ORBIT around that body

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Artist 52 [7]

Answer:

Explanation:

33-25=8

48/8=6

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4 years ago

Stels [109]

Answer:

4 & 5 have the same number of elements

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4 years ago