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marta [7]
3 years ago
8

Which of these can be used as an inert electrode? copper platinum silver zinc

Chemistry
2 answers:
Shtirlitz [24]3 years ago
7 0

Answer:

zinc

Explanation:

kwkejnrkewnrkwe

Alik [6]3 years ago
5 0

Answer:

I believe it is platinum

Explanation:

I think it is, haha

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Answer:

it dependes on the material

Explanation:

what is the material

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Would all the different kinds of organisms in a forest be considered population or a community?
anzhelika [568]
All of the different kinds of organisms in a forest would be considered a community.

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3 years ago
Consider the reaction <img src="https://tex.z-dn.net/?f=N_2%20%2B%203%20H_2%20%5Crightarrow%202%20NH_3" id="TexFormula1" title="
sammy [17]

Answer: E

How much NH₃ can be produced from the reaction below:

N₂ + 3H₂ - 2NH₃

The stoichiometric ratio of the reactants = 1:3

Given

74.2g of N₂, and Molar mass = 14g/mole

Mole of N₂ = 74.2/14=5.3mols of N₂,

and 14mols of H₂

From this given values and comparing with the stoichiometric ratio, H₂ will be the limiting reagent while N₂ is the excess reactant.  

i.e, for every 14mols of H₂, we need 4.67mols of N₂ to react with it to produce 9.33mols of NH₃ as shown (vice versa)

From this we have 9.33mols of NH₃ produced

Avogadro constant, we have n = no of particles = 6.022x10²³ molecules contained in every mole of an element.

For a 9.33mols of NH3, we have 9.33x6.022x10²³molecules in NH3

5.62x10²⁴molecules of NH₃

6 0
3 years ago
When 54.50 and 50.407 are divided, how many significant figure would you have?
Anastaziya [24]

Answer:

4 sig figs

Explanation:

<h3>Rule when dividing or multiplying:</h3>

After normally solving the expression cut round the decimal to the least accurate of the two.

54.50/50.407 = 1.08119904

Since 54.50 is the least accurate we will round to the hundredths place.

1.081 is final answer

so there are 4 sig figs.

8 0
3 years ago
How does a stage 2 of cellular respiration benefit a cell?
AVprozaik [17]

Answer:

The second stage of cellular respiration is the “Krebs Cycle”. This is a catabolic reaction that occurs within the cells. In cells, the energy is produced and stored in the form of ATP.

7 0
2 years ago
Read 2 more answers
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