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3 years ago

On the basis of which property of the elements are they divided into metals and non metals?

1 answer:

8 0

The answer is the elements in a periodic table. On the basis of the elements in the periodic table, they are divided into metals and non metals.

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If 15 grams of Carbon dioxide is produced in a chemical reaction, how many grams of Carbon must be consumed in the reaction if w

guajiro [1.7K]

Answer:

Quantity of Carbon is 4.09 gm

Explanation:

Equation of carbon reacting with oxygen to give carbon dioxide is given by

C + $O_{2}$ ⇒ C $O_{2}$

One mole of carbon reacts with one mole of Oxygen in this reaction to give One mole of Carbon dioxide.

So, 12 gm of carbon reacts with 32 gm of Oxygen in this reaction to give 44 gm of carbon dioxide.

15 gm of C $O_{2}$ was formed in this reaction

Oxygen used in this reaction = $\frac{15}{44}$ ×32 = 10.91 gm ,

Thus Oxygen is in sufficient quantity in the reaction.

Now,

Carbon that must be used = $\frac{15}{44}$ ×12 = 4.09 gm.

5 0

3 years ago

NH4Cl + AgNO3 → AgCl + NH4NO3

iVinArrow [24]

It's a balanced equation!
This is a precipitation reaction.
AgCl is the formed precipitate.

7 0

2 years ago

Maple syrup, which comes from the sap of maple trees, is a mixture of water and natural sugars. It's a clear, brown liquid. It's

ANTONII [103]

C.) It's a Solution ..............

3 0

2 years ago

What is the mass of 5.84 × 10^21 atoms of xenon?

podryga [215]

Answer:

5.84e+21

Explanation:

8 0

2 years ago

Select the options that are properties of electromagnetic waves:

kaheart [24]

Answer:

They propagate in materialistic media and non-materialistic media ( space ) .

They propagate in the space at constant velocity , which is 3 × 108 m/s .

They consist of vibrating electric and magnetic fields at certain frequency in phase with each other , perpendicular to each other and perpendicular to the direction of the wave propagation ...

Explanation:

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4 0

3 years ago