Question:
$20.0 \,kg$ of $N_2(g)$ and $3.0\, kg$ of $H_2(g)$ are mixed to produce $NH_3(g)$. The amount of $NH_3(g)$ formed is
$20.0 \,kg$ of $N_2(g)$ and $3.0\, kg$ of $H_2(g)$ are mixed to produce $NH_3(g)$. The amount of $NH_3(g)$ formed is
Updated On: Jun 9, 2024
- $17\, kg$
- $34 \,kg$
- $20\, kg$
- $3 \,kg$
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The Correct Option is A
Solution and Explanation
$N _{2}+3 H _{2} {<=>} 2 NH _{3}$
$\frac{20 \times 10^{3} g}{28} \frac{3 \times 10^{3} g}{2}$
$=711.2$ mole. $1500$ mole
$L.R= \frac{711.2}{1} = \frac{1500}{3}$
$3 mole \longrightarrow 2 mole$
$1 mole \longrightarrow \frac{2}{5} mole$
$1500 mole \longrightarrow \frac{2}{3}mole$
$ = 1000$ mole
$17 \times 1000$
$= 17\,kg$
$\frac{20 \times 10^{3} g}{28} \frac{3 \times 10^{3} g}{2}$
$=711.2$ mole. $1500$ mole
$L.R= \frac{711.2}{1} = \frac{1500}{3}$
$3 mole \longrightarrow 2 mole$
$1 mole \longrightarrow \frac{2}{5} mole$
$1500 mole \longrightarrow \frac{2}{3}mole$
$ = 1000$ mole
$17 \times 1000$
$= 17\,kg$
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Some Basic Concepts of Chemistry
Chemistry is a vast subject and for understanding its significance we can take help of following points:
- Chemistry plays an important role in understanding various subjects like physics, geology and biology.
- Chemistry is a core branch of science that explains us about the various compositional properties and interaction of matter. It also helps to understand various chemical reactions.
- Chemistry is important in order to understand the behaviour of fertilizers, alkenes, acids, salts, dyes, polymers, drugs, soaps and alloys in organic and inorganic chemistry.
- Chemistry plays an important role in various fields like healthcare, industrial, research, food, and farm activities.
Read More: Some Basic Concepts of Chemistry
Classification of Matter
There are two ways of classifying the matter:
(A) Physical Classification:
Matter can exist in three physical states:
- Solids - have definite volume and definite shape
- Liquids - have definite volume but not definite shape.
- Gases - have neither definite volume nor definite shape.
(B) Chemical Classification:
Based upon the composition, matter can be divided into two main types:
- Pure Substances are defined as a single substance (or matter) which cannot be separated by simple physical methods. Pure substances can be further classified as (i) Elements (ii) Compounds
- Mixtures are the combination of two or more elements or compounds which are not chemically combined together and may also be present in any proportion.