How does the law of conservation of matter apply to chemical equationshow does the law of conservation of matter apply to chemical equations?

Answers

Answer 1

Answer: According to Law of conservation of matter,"matter can neither be created nor destroyed during a chemical reaction". Therefore this law is very important in a chemical equation. A chemical equation must be balanced to obey this law. Means, the mass of the reactant must equals the mass of products.
For example,
C + O₂ ---------> CO₂
12g + 32g ---------> 44g
In this reaction the total mass of reactant (44g) is exactly equal to the mass of product (44g).
So, keeping the law of conservation of matter it is important to have a balanced chemical equations.

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Hydrocarbons are organic compounds which contain: H H and C only H and C C and H2O

Answers

The answer would be H and C only. Hydrocarbons are organic compounds consisting entirely of carbon and hydrogen. They are the simplest form of organic compounds. They are joined together by covalent bonds. They can be straight-chain, cyclic or branched chain.

Hydrocarbons are organic compounds which contain hydrogen, H and carbon, Conly (option B)

What is hydrocarbon?

Hydrocarbons special class of organic compounds that contains only carbon (C) and hydrogen (H).

Hydrocarbons are classified into:

Saturated hydrocarbons i.e having only single bonds in its chain
Unsaturated hydrocarbons i.e having double or triple bond

Generally, hydrocarbons are group into different homologous series. Some of which includes:

Alkanes i.e single bond
Alkenes i.e double bond
Alkynes i.e tripple bond

All of the above have only carbon and hydrogen in their structural formula.

Thus, with the above information, we can conclude that hydrocarbons contains H and C only (option B)

Learn more about hydrocarbon:

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Complete question:

Hydrocarbons are organic compounds which contain

a. H-H

b. H and C only

c. H, C and H₂O

Stage in a star's evolution formed as the core of a main sequence star uses up its helium and the outer layers escape into space

Answers

Answer:

The stars when they release their helium and get rid of their cape and throw it into space is because it is already the end of their life

Explanation:

During a portion of its life, a bright star due to the thermonuclear fusion of hydrogen in helium in its nucleus, which releases energy that crosses the interior of the star and then radiates into outer space. When the hydrogen in the nucleus of a star is almost depleted, almost all heavier elements than naturally produced helium are created by stellar nucleosynthesis during the life of the star and, in some stars, by nucleosynthesis of supernovae when explode At the end of its life, a star can also contain degenerate matter

Answer: the answer is white dwarf

Explanation:

Is there a pattern in how one can predict how many covalent bonds an atom will form?

Answers

Answer:

In molecules, there is a pattern to the number of covalent bonds that different atoms can form. Each block with a number indicates the number of covalent bonds formed by that atom in neutral compound

Explanation:

I don't really know the answer sorry

How is the Maunder minimum related to climate?A. Changes in the Earth’s tilt correlate to changes in climate.B. The Maunder minimum is unrelated to climate.C. Changes in the Earth’s orbit correlate to changes in climate.D. Unusually low sunspot activity correlates to unusually cold climatic events.

Answers

I think the correct answer is D. The Maunder minimum is related to climate because it correlates to unusually cold climatic events. This is an event that happened sterting in 1645 to 1715 where very few sunspots were observed. It is also known as prolonged sunspot minimum. During this event, Europe and North America experienced colder temperature than what was usual.

What is the correct way to show carbon dioxide in the gas phase?a. CO (g)
b. CO2 (g)
c. CO2 (s)
d. CO2 (gp)

Answers

The correct way of showing carbon dioxide in the gas phase is b. CO2 (g)

This notation is commonly used in showing chemical reactions wherein the phases of the constituents are important. Gases are denoted by (g), solids are denoted by (s), and liquids are denoted by (l). Aqueous solutions are also denoted (aq).

Which best explains the relationship between parent rock and soil

composition?

Answers

Soil is partially the result of the physical and chemical weathering of its parent rock. The minerals found in the soil were either in that parent rock, or they were formed from the weathering products of the parent rock.

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An element has an atomic number of 30. How many protons and electrons are in a neutral atom of the element?A. 30 protons, 30 electrons B. 15 protons, 15 electrons C. 60 protons, 30 electrons D. 30 protons, 0 electrons

Why do we not know yet if we live in multiverse