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valentinak56 [21]
3 years ago
13

How many nitrogen atoms are in 4AgNO3

Chemistry
1 answer:
tensa zangetsu [6.8K]3 years ago
6 0

Answer:

Silver/AG= 4

Nitrogen/N=4

Oxygen/O=12

Explanation:

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Heredity refers to the passing of traits from parents to their offspring (either by asexual or sexual reproduction).
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3 years ago
The mass of an object is measured to be 55.6 g. Its volume is measured to be 48.5 mL.
Nezavi [6.7K]

Answer:

1.15 g/mL

Explanation:

The following data were obtained from the question:

Mass (m) = 55.6 g

Volume (V) = 48.5 mL

Density (D) =?

Density is simply defined as the mass of the substance per unit volume of the substance. It is represented mathematically as:

Density (D) = mass (m) /volume (V)

D = m/V

With the above formula, we can obtain the density of the object as follow:

Mass (m) = 55.6 g

Volume (V) = 48.5 mL

Density (D) =?

D = m/V

D = 55.6/48.5

D = 1.15 g/mL

Therefore, the density of the object is 1.15 g/mL

6 0
4 years ago
What does the coefficients in a balanced chemical equation represent​
attashe74 [19]

Answer:

th mol

Explanation:

When you balance an equation, you can refer back to the coefficients when calcuating mol and molar mass from the given information about one reactant to antoher reactant ot product. you use the coeffiecients for mol-mol ratio.

for example. if you are given A +3 B -----> 6C + 5D, and you have 10 mol of A and you have to find how many mols of C with 10 mol of A. then you would ratio it as A: C = 10A: 10C= 10(1): 10(6)= 10:60. so with 10 mol A you can make 60 mol C.

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Dalton's atomic theory was based on the law of conservation of mass which states that the matter can neither be created nor be destroyed but it can only transformed into one form or another. In a chemical reaction, total mass of the reactants will be equal to the total mass of the products.

Taking an example,

methane+oxygen\rightarrow \text{carbon dioxide}+water

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Mass of CH_4 = 16g

Mass of 2O_2 = 2\times 32g

Total mass on reactant side = (16+2\times 32)

Total mass on reactant side = 80g

Mass of CO_2 = 44g

Mass of 2H_2O=2\times 18g

Total mass on product side = (44+2\times 18)

Total mass on product side = 80g

It is seen from the above example that the

total mass on reactant side = total mass on product side.


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Worn away statue Mechanical? or Chemical?
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