Wht are the definitions of these words.

Communication systems

Import dependency

Opencast mine

Hinterland

Carbon capture

The traits that are transferred from the parents to the offspring during reproduction are determined by genes, located on chromosomes, found in the nucleus.

During reproduction, there is a fusion of;

This leads to the formation of offspring. There is a transfer of traits from the parents to the offspring.

Hence, the traits that are transferred from the parents to the offspring during reproduction are determined by genes, located on chromosomes, found in the nucleus.

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Answer:?

Explanation:

Answer:

Increase in CO2 (g) over time.

No NaHCO3 (s) will be left after a time

Explanation:

The reaction, shown below;

2NaHCO3(s) → Na2CO3(s)+CO2(g)+H2O(ℓ) is a decomposition reaction. A decomposition reaction is a kind of chemical reaction in which a given chemical specie breaks up to give other chemical species. Decomposition may be induced by heat or light.

Usually, there is only one reactant in a decomposition reaction; the specie that disintegrates into the products. This reactant usually decreases in concentration steadily because it is converted into products. This is why the mass of NaHCO3(s) in the system continues to decrease steadily until it finally falls to zero.

Conversely, the concentration (for aqueous) or volume (for gases) or mass (for solid) products of the reaction increases steadily as the reaction progresses. This explains why the volume of CO2 in the system will steadily increase over time.

Answer:

they tend to be base

Explanation:

this because when they are manufactured they dont tend to use acid solution

Answer:

d

Explanation:

Answer:

C. No, because the carbon chain is composed of only a single ring.

Polycyclicity, having more than a single ring, is a property of only aromatic hydrocarbons. Therefore, if the hydrocarbon is not polycyclic, it is non-aromatic

Explanation:

Cyclic Hydrocarbons

These are organic compounds which are cyclic in structure. The compound cyclohexane involves a ring of six carbon atoms, each of which is also bonded to two hydrogen atoms

Aromatic hydrocarbons are cyclic ring organic compound which are based on the benzene ring structure.

A. If the hexagon contains single bonds, it is non-aromatic.

B. No. Having a ring shape does not on its own determine the aromaticity of a hydrocarbon.

C. Polycyclicity, having more than a single ring, is a property of only aromatic hydrocarbons. Therefore, if the hydrocarbon is not polycyclic, it is non-aromatic

D. Having double bonds within a ring is not a criteria for being aromatic. Both aromatic and non-aromatic hydrocarbons have double bonds within their rings. However, aromatic hydrocarbons have alternate double and single bonds within their 6-carbon ring structure.

Note: Since the structure of the required hydrocarbon is not shown, the explanation contains attachments of hexagonal structures of three hydrocarbons; one non-aromatic and the other two are aromatic. Cyclohexane is non-aromatic while Benzene and the polycyclic compounds are aromatic.

Answer:

3

Explanation:

Atoms are made of 3 parts.

- The protons and Neutrons form together creating a sun, or nucleus at the center

- The electrons orbit this sun like planets.

The element with Th is Thorium. It is a metallic chemical element that when exposed to air, hardens.

Answer:

A. your reaction makes more products.

Explanation:

This is a fun question dealing with idea of Le Chatelier's principle.

In an exothermic reaction, you produce heat. This means that heat will act as a product (or be on the product side).

Suppose there's an imaginary equation:

A + B -----> C (Now if I lower the amount of B, the equilibrium will shift to left to make up the lost B, or to bring the system back to equilibrium)

Apply the same concept as above below:

A + B -------> C + Heat (as I mentioned, since this is exothermic reaction heat is written as product, so if you lower the temperature, which means basically lower the heat, the reaction will shift towards right to make up the lost heat, in this process you will make extra C which is products. Thus, your reaction makes more products.

Answer:

reaction makes more product

Answer:

1. 17.3 MOLES OF WATER WILL PRODUCE 518.4 G OF GLUCOSE.

2. 87.4 G OF HNO3 WILL PRODUCE 7.86 G OF NITROGLYCERIN WHEN REACTED WITH EXCESS GLYCEROL.

Explanation:

1. How many grams of glucose is produced from 17.3 mole of water?

Equation:

6CO2 + 6H20 ------> C6H12O6 + 6O2

From the reaction, 6 moles of carbon dioxide reacts with 6 moles of water to produce 1 mole of glucose

So therefore,

6 moles of water = 1 mole of glucose

Since 17.3 mole of water was used, we can first calculate the number of moles of glucose produced:

Then, we have:

6 moles of water = 1 mole of glucose

17.3 moles of water = ( 17.3 * 1/ 6) moles of glucose

= 2.883 moles of glucose

So we say 17.3 moles of water produces 2.883 moles of glucose

At standard conditions, 1 mole of a substance is its molar mass

Molar mass of water = 18 g/mol

Molar mass of glucose = 180 g/mol

From the reaction:

17.3 moles of water produces 2.883 moles of glucose

17.3 * 18 g of water produces 2.833 * 180 g of glucose

= 518.94 g of glucose.

From 17.3 mole of water, 518.4 g of glucose will be produced.

2.

C3H5(OH)3 + 3HNO3 -------> C3H5(ONO2)3 + 3H20

3 moles of HNO3 reacts to produce 1 mole of nitroglycerin

Molar mass of HNO3 = ( 1 + 14 + 16*3) = 63 g/mol

Molar mass of nitroglycerin = ( 12 *3 + 1 *5 + 16*6 + 14*3) = 179 g/mol

3 moles of HNO3 = 1 mole of nitroglycerin

3 * 63 g of HNO3 = 179 g of nitroglycerin

if 87.4 g of HNO3 were to be reacted, we have:

189 g of HNO3 = 179 g of nitroglycerin

87.4 g of HNO3 = ( 87.4 * 179 / 189) of nitroglycerin

= 7.86 g of nitroglycerin

So therefore, 87.4 g of HNO3 will produce 7.86 g of nitroglycerin when reacted with excess glycerol.

Answer:

900 mg

Explanation:

THE OTHER PERSON IS WRONG TRUST ME

THE ANSWER IS C. I TOOK THE TEST MYSELF AND GOT A %100.

Answer:

the correct answer is D.

Explanation:

Got it right on edg. 2020

The correct structure for [tex]CCl_{4}[/tex] will be " All the C l atoms have 3 pair of electron dots, on the three sides that do not have the bond."

A chemical bond would be a strong bond which could be formed among atoms, ions, as well as molecules to create chemical compounds.

Lewis dot structures, commonly known as electron dot structures, were schematics showing the interatomic chemical bonds in such a molecule.

The electron dot structure of [tex]CCl_{4}[/tex] is shown below:

It can be seen that each carbon attached by single bond.

The correct structure for [tex]CCl_{4}[/tex] will be " All the Cl atoms have 3 pair of electron dots, on the three sides that do not have the bond."

Therefore, the correct answer will be option (D).

To know more about electron dot structure.

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Answer:

some energy is released as heat

Answer:

Some energy is released as heat.

Explanation:

hope this helps :)

Answer:

C.

Explanation:

The increase the [H+] (concentration of H+ ions)

However, they decrease the pH if acids are added to any solution. Since they have more [H+] ions, they increase their conc. in the solution

Answer:

0.193M.

Explanation:

Answer:

Chemistry

Explanation:

Chemistry is the study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy

Answer:

D. Physics

Explanation:

First, let's define all the answer choices.

Biology: Biology is the study of life and living things. Biology deals with the function, growth, origin and more of organisms.

Chemistry: Chemistry is the study of matter, elements, atoms, compounds, molecules and more. Chemistry is also concerned with chemical reactions.

Planetary science: Planetary science is basically the study of planets. This is the study of planets, moons and planetary systems.

Physics: Physics is the study of matter, energy, and their interactions. This helps us to explain and understand things that happen in the universe.

The best choice is D. Physics. Physics is the study of how matter and energy interact.

Answer:

E=2

F=2

G=1

Explanation: this is the answer promise

Answer:

E=2

F=2

G=1

Explanation:

Answer:

Yes.

Explanation:

It will react. Because they are compounds

Answer:B

Explanation:

Answer:

Pretty sure it is either B or C.

Explanation:

Hope this helps. LOL.

Answer:

The answer is 0.10026903242265733

Answer:

O = 94.117%

H = 5.882%

Explanation:

Hydrogen peroxide (H202) Molar Mass = 34g

OH 1-  17g/mol

H 1+ = 1g/mol

O = 16g/mol

2 Grams H

32 grams O

Percentage composition of  Hydrogen peroxide

O = 32/34 = 94.117%

H =    2/34 =   5.882%

Explanation:

4=true

5. true

hope this helps. good luck with your test.

Answer:

According to A pex, the answer is B.

Explanation:

Because its right.

When one reactant breaks down to form more than one product is a decomposition reaction. Therefore, option (B) is correct.

A decomposition reaction can be described as a reaction in which a compound breaks down into two or more simpler compounds. The general form  to represent a decomposition reaction is:

AB  →   A   +  B

Most decomposition reactions need input energy in the form of light, heat, or electricity.

Binary compounds can be described as compounds made of just two elements. The simplest type of decomposition reaction is when a binary compound dissociated into its elements. For example, Mercury (II) oxide decomposes when heated to form mercury and oxygen gas.

2HgO(s)    →   2Hg  (l)   +  O₂(g)

A reaction is a decomposition reaction even when one or more of the products are compounds. For example, calcium carbonate decomposes into carbon dioxide gas and  calcium oxide.

[tex]CaCO_3(s) \longrightarrow CaO(s)+CO_2(g)[/tex]

Learn more about decomposition reactions, here:

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Answer:

Option B. 4.5g

Explanation:

The balanced equation for the reaction is given below:

2Na + 2H2O —> 2NaOH + H2

Next, we shall determine the mass of Na and the mass of H2O that reacted and the mass of H2 produced from the balanced equation. This is illustrated below:

Molar mass of Na = 23g/mol

Mass of Na from the balanced equation = 2 x 23 = 46g

Molar mass of H2O = (2.02x1) + 16 = 18.02g/mol

Mass of H2O from the balanced equation = 2 x 18.02 = 36.04g

Molar mass of H2 = 2.02 x 1 = 2.02g/mol.

Mass of H2 from the balanced equation = 1 x 2.02 = 2.02g

From the balanced equation above,

46g of Na reacted with 36.04g of H2O to produce 2.02g of H2.

Next, we shall determine the limiting reactant. This is illustrated below:

From the balanced equation above,

46g of Na reacted with 36.04g of H2O.

Therefore, 120g of Na will react with = (120 x 36.04)/46 = 94.02g of H2O.

From the calculations made above, we can see that it will take a high mass of H2O i.e 94.02g than what was given i.e 80g to react completely with 120g of Na. Therefore, H2O is the limiting reactant and Na is the excess reactant.

Finally, we shall determine the mass of H2 produced from the reaction as follow:

The limiting reactant will be used in this case as it will give the maximum yield of H2 since all of it is used up in the reaction.

From the balanced equation above, 36.04g of H2O reacted to produce 2.02g of H2.

Therefore, 80g of H2O will react to produce = (80 x 2.02)/36.04 = 4.5g of H2.

Therefore, 4.5g of H2 is produced from the reaction.

Answer:

1) I dont knoe

2) Poetry

Explanation:

Answer: Symbolic language is used by an author to hint at deeper meanings.

Explanation: penn foster

Answer:

C. Because transition elements has 4 special chatacteristics

forms colored ions

has multiple oxidation numbers

forms complex ions

can act as catalyst

Answer:

Radio waves and visible light have many different properties

Explanation:

Radio waves have less energy since it's waves are stretched out really long. the longer the light waves, the lower the energy, and since radio waves have more stretched out waves than visible light, the radio waves carry less energy.

Answer:

D

Explanation:

the calcium reacts with the chloride in the hydrochloric making calcium chloride.

the hydro in hydrochloric becomes water leaving us with carbonate which turns into carbon dioxide.

(in simple terms)