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vova2212 [387]
2 years ago
6

Question 6 pls I need help this is due in 2 minutes!!..

Chemistry
2 answers:
olasank [31]2 years ago
8 0
B.

-they can’t get too far from eachother because of the energy attracting them
MAVERICK [17]2 years ago
7 0

Answer:

c

Explanation:

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What mass of ag2co3 could you produce from 12.7 g agno3 assuming that it is the limiting reagent?
zhenek [66]

10.3 g of  Ag_{2} CO_{3} will produce from 12.7 g AgNO_{3}.

In simple terms, a limiting reagent is a reactant that is completely used up in the reaction. 

It is also referred to as a limiting reactant or limiting agent.

Now, according to the question,

Since it is a limiting reagent, it will react fully. 

The mass of AgCO_{3} that will be produced will be:-

Equivalent mole of AgNO_{3} = Equivalent weight of Ag_{2} CO_{3} = 12.7/169.97 = x*2/274x = 10.3 g. 

Hence, 10.3 g of Ag_{2} CO_{3} will be produced.

It is used to restrict the reaction.

It tells you the estimated amount of compound to be used.

It brings quantitative understanding to chemical reactions.

More information on limiting reagents can be found here :

brainly.com/question/11848702

#SPJ4

7 0
2 years ago
What is the percentage of nitrogen, by mass, in calcium nitrate?.
SCORPION-xisa [38]

Answer:

<em>Nitrogen = 17.07%</em>

Explanation:

We are asked to calculate the percentage by mass of nitrogen in Ca(NO3)2.

The molar mass of calcium nitrate is 164,088 g/mol.

In this 164.088 g/mol there are 2 nitrogen atoms.

Molar mass of nitrogen = 14,0067 g/mol

% Nitrogen = molar mass of N/total molar mass of the compound

% Nitrogen =[(2 x 14.0067)/164.088]*100

% Nitrogen = 17.07%

Please mark me as brainliest if you found this answer helpful

7 0
2 years ago
Look at the chemical equation shown below. A, B, X, and Y represent different elements or polyatomic ions.
VLD [36.1K]

Answer:

The answer to your question is an acid base reaction

Explanation:

A single replacement reaction  is a reaction in which one metal replaces the cation of a compound. The reaction of this problem is not of this type because here the reactants are compounds no single elements.

A decomposition reaction  is a reaction in which one compound decomposes into two or more products. This is not the answer to this question because in this reaction there are two reactants not only one.

A synthesis reaction  is a reaction in which two reactants form only one product. The reaction of this problem is not of this type because there are two products not only one.

An acid-base reaction is a kind of double replacement reaction. In some acid-base reactions, there is an interchange of cations and anions like is shown in this reaction.

8 0
2 years ago
What are examples of everyday chemical reactions?
Softa [21]
<span>Photosynthesis Is a Reaction To Make Food</span>
7 0
3 years ago
What is meant by the negative sign in an answer like"-46.8kJ"? When would you use a positive sign
MA_775_DIABLO [31]
It’s positive when you use energy for work
3 0
3 years ago
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