Achemical equation is shown below. pls and ty

The given equation is not balanced.

Explanation:

Chemical equation:

3H₂ + 3Cl₂   →  HCl

The balanced equation always have equal number of atoms on both side of equation. In this equation on left side there are six atoms of chlorine and six atoms of hydrogen are present while on right side only one atom of hydrogen and one atom of chlorine are present.

The balanced equation always follow the law of conservation of mass.

According to the law of conservation of mass, mass can neither be created nor be destroyed in a chemical reaction.

It means reactant and product always have same mass.

The given equation can written as balanced equation as follows,

Balanced chemical equation:

3H₂ + 3Cl₂   →  6HCl

There are equal number of atoms of hydrogen and chlorine are present on both side of equation so it follow the law of conservation of mass.

answer; i believe the correct answer is (solid gold);

a mercury barometer is a device that uses the physical properties of mercury in a tube to measure barometric pressure. mercury barometers are used for : -

1. measurement of atmospheric pressure  

2. determining the altitude of a place

3. weather forecasting

4. calibration and checking of aneroid barometers

5. application in fluid mechanics

6. measurement of pressure in aircrafts

7. surface weather analysis

8. preparation of barographs

9. usage in physical sciences like physics, astronomy & chemistry

10. preparation of aircraft altimeters

characteristics of mercury barometer : -

1.used to define and measure atmospheric pressure.

2.on the average at sea level the column of mercury rises to a height of about 760 mm.

3.this quantity is equal to 1 atmosphere.

4.it is also known as standard atmospheric pressure.

5.a barometer in which the weight of a column of mercury in a glass tube with a sealed top is balanced against that of the atmosphere pressing on an exposed cistern of mercury at the base of the mercury column, the height of the column varying with atmospheric pressure.