this gas? Metal compound A reacts with dilute hydrochloric acid to effervescence. The gas evolved extinguishes a burning candle. Write a balanced chemical equation for the reaction if one of the compounds formed is calcium chloride.​

Answers 1

Answer:

Explanation:

A + HCl → effervescence

We know that the gas which gives effervescence is carbon monoxide, CO2 and CO2 gas even extinguishes the burning candle. So, one product is CO2.

One product given is CaCl2 which gives that the metal compound has metal Calcium and have carbon and oxygen, which were present in CO2.

So, the metal compound is CaCO3 and the chemical equation is :

CaCO3 + HCl → CaCl2 + CO2 + H2O

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Other related questions that may help you

1) in a parallelogram ERBO a diagonal RO is drawn if angle M RBO = 86 & ROB is 76 & find the M angle ROE.3) Name a quadrilateral that only name 1 parallel side​

Step-by-step explanation:

1.

step1:

In triangleRBO

m ORB+m RBO +m ROB =180. -- Angle sum property

*m ORB +86°+76°=180

*m ORB+162=180°

*mORB=180-163

*m ORB=18°

NOW,

m ROE=m ORB. ------As RB||EO Alternate interior angles are equal

m ROE=18°

3.Trapezium

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describe how vibrations in the ear drum intrupt as sound​

Explanation:

SOUND WAVES enter the ear canal and cause the eardrum to vibrate. VIBRATIONS pass through 3 connected bones in the middle ear. This motion SETS FLUID MOVING in the inner ear. Moving fluid bends thousands of delicate hair-like cells which convert the vibrations into NERVE IMPULSES.

Answer:

Sound waves enter the outer ear and travel through a narrow passageway called the ear canal, which leads to the eardrum. The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear. These bones are called the malleus, incus, and stapes.

Explanation:

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You have just heard the news that you have topped in your final examination. In great excitement and joy, you write a page in your diary describing your feelings, mentioning how others are going to receive the news as your friends, your family and relatives as well as your neighbours. Write your diary entry stating your future plans.​

Answer:

Dairy entry

22-August-2022. 6:59pm

Monday

Dear diary

I was so happy heard the news that I was 1st in the final examination.And my all friends,my all family members and relatives as well as my neighbour are so happy to hear that . I was decided to make a scientist.

your faithfully

name-.

Explanation:

I hope it's help you my name is- sanket kumar pal

I study in bright land school

What is distance and displacement​

Answer:

Distance is the measure of “how much ground an object has covered during its motion” while displacement refers to the measure of “how far out of place is an object.” In this article, let us understand the difference between distance and displacement.

Explanation:

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Answer:

Distance is the measure of “how much ground an object has covered during its motion” while displacement refers to the measure of “how far out of place is an object.” In this article, let us understand the difference between distance and displacement.

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Explanation:

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