Identify what type of reaction is below. Also determine what coefficients that would balance the chemical equation. ___ HCl + ___Zn → ___ H2 + ___ZnCl2 A) Double Replacement; 2, 1, 1, 1 B) Single Replacement; 2, 1, 1, 1 C) Synthesis; 1, 2, 1, 2 D) Double Replacement; 1, 2, 1, 1

Answer:

The first is five and the second is ten

Explanation:

Answer:

The answer to your question is given below.

Explanation:

Molecular formula gives the exact amount of each type of element in a molecule. Hence, it gives the formula of the compound.

Structural formula on the other hand shows how the different elements in a molecule of a compound are arranged in space.

Isomerism is a phenomenon whereby two or more compounds have the same molecular formula but different structural patterns. The compounds involved are called isomer.

2,2-dimethylbutane is an isomer of hexane because they both have the same molecular formula but different structural patterns.

Hexane can be rearrange to obtain 2,2-dimethylbutane.

The attached photo shows that 2,2-dimethylbutane and hexane have the same molecular formula i.e C6H14 but their structural arrangement is different. Hence they are called isomers.

Isomerism is a phenomenon whereby two or more compounds have the same molecular formula but different structural patterns. The compounds involved are called isomer.

2,2-dimethylbutane is an isomer of hexane because they both have the same molecular formula but different structural patterns.

Hexane can be rearrange to obtain 2,2-dimethylbutane.

In the attached figures, 2,2-dimethylbutane and hexane have the same molecular formula i.e. C₆H₁₄ but their structural arrangement is different. Therefore, they are called isomers.

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Answer:Gaseous CFCs can deplete the ozone layer when they rise due to ultraviolet radiation

Explanation:

Answer:

when chlorofloroucarbon drift upwards toward the stratospher ,they come in contact with the ozone layer .this leads to a chemical reaction where the cfcs the molecules are broken up by ultra violent radiation releasing chlorine atoms which are able to destroy ozone molecules

Answer:

A; lab journal

Explanation:

i just did it

Answer: the first paragraph is rain forest biome and the 2nd one is arctic tundra biome and finally the last paragraph is ocean or marine biome

Explanation:

rain forests have warm temperatures and include alot of animals and plants , artctic tundra biome includes cold temperatures ice stuff and all that and ocean or marine biome is pretty much just the ocean with seals , whales and marine life yk.

Answer:

i have no idea

Explanation:

Answer:

first option

Explanation:

Answer:

I think a praying mantis eating a bee is an example of predation. I think this because the praying mantis stealthily hunts its preys, like the bee, in order to kill eat for food.

Explanation:

"Predation" refers to the killing of another living organism in order to prolong the life of the "predator" (hunter) and to end the reproductive life of the "prey" (the one being consumed). The praying mantis is popularly known for being a deadly predator because it feeds on several insects (as its prey), including the bees. They are said to also feed on wasps, moths, mice, frogs, rodents and even snakes.

It kills the bees in order to consume them so it can prolong its reproductive life. It then stops the reproductive life of the bees. Clearly, the type of relationship here is "predation."

I think a praying mantis eating a bee is an example of predation.

I think this is because the praying mantis which is a predator consume the prey which is the bee most times in a defensive manner.

Predation is a biological relationship in which a predator kills or consume it's prey.

It's occur majorly in canivorous animals that consume flesh or other animals.

The predators consume the prey as food and as a form of defensive means from been attacked by the prey.

In this relationship, energy is transfered from the prey which is the bee to the praying mantis.

Therefore, the relationship that occur between praying mantis and bee is predation.

Answer:

D. in wavelength and temperature!

Explanation:

The energy has been the strength and the viability of the substance and has been measured as wavelength and temperature.

Energy can be defined as the ability of the substance to perform work. The work done has the unit of measurement Joule.

The energy has been the representation of the randomness and the physical and mental system of the substance.

Thus, the temperature has been the measure of the amount of physical energy and the wavelength as the energy of the radiations.

Thus, the energy can be best measured with wavelength and temperature. Hence, option D is correct.

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Answer:

troposphere, the stratosphere, the mesosphere and the thermosphere

Explanation:

The atmosphere of the earth is composed of layers based on the temperature. There are four layers in the atmosphere. They are ordered as troposphere, stratosphere, mesosphere and the thermosphere.

The atmosphere of the earth is layered and each layer of the atmosphere has its own characteristics. The weather processes occur in the lower layers of the atmosphere. The four important layers are troposphere, stratosphere, mesosphere and the thermosphere.

The lowest layer of the atmosphere where we live is called the troposphere. It is this layer which contains weather, clouds, rain and snow. The layer above troposphere is called the stratosphere. It is in this part where ozone is found.

The mesosphere is found above stratosphere. Here the temperature is found to be less and reaches a minimum of about -90°C. The thermosphere lies above the mesopause where the temperature will be very high.

Thus the correct order is troposphere, stratosphere, mesosphere and the thermosphere.

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Answer:I THINK IT IS BURNING FOSSIL FUELS HAS A NEGITIVE IMPACE ON THE ENVIROMENt

Explanation: it makes the most sense i think

Answer:

39

Explanation:

Relative mass does not need to be calculated as it is listed on the periodic table. Potassium's relative atomic mass is around 39.

Answer: The air pressure

Explanation: condensation is basically the change of matter in the clouds from a solid phase to a liquid phase. To predict the weather, you might look at that with special equipment to see what the weather is. Air temperature, we know that we use that to predict the weather depending how cold or hot it is. Humidity is the wetness, so we use that too for the weather predictions. Air pressure is not really a factor in predicitng or describing it so i would choose that one. Hope this helps!

Answer:

D

Explanation:

I think it is D, no promises

Answer:

is c before space I did it

Explanation:

1. print fossil

2. carbonized fossil

3. petrified fossil

4. cleavage

5. landform

6. igneous

7. metamorphic

8. print fossil

9. geology

10. sedimentary

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The print fossil, original-remains fossil, petrified fossil, carbonized fossil, landform, igneous, metamorphic, sedimentary, cleavage, and geology are the respective matches as given in the question.

Print fossil is imprint of plant or animal and basically known as fossil impression. Original-remains fossil comprises of the original tissues and parts of  organism and undecayed plant or animal part. Petrified fossil is replaced by a mineral. Carbonized fossil is only carbon remains. Landform is a mountain. Igneous is from magma.

Metamorphic is from physical and chemical changes. Sedimentary rocks are sandstone. Cleavage helps to identify rocks. Geology is the study of science of earth.

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Answer:

hey i believe there is a video on you tube with a step for step answer for that

Explanation:

that will help better than me i have a hard time explaining things i'm really sorry i hope i helped you again i'm really sorry

Answer:

No, a plastic wire would not conduct electricity. This is because plastic is an insulator that does not allow electric current to flow through it. In a wire, electrical conductivity is provided by the movement of charged particles - typically, electrons. Copper is an excellent conductor of electricity because it has a high number of free electrons that are not bound to atoms and can move through the wire very easily. However, in a plastic wire, the tightly bound electrons of its atoms do not allow for the free flow of charges, thus preventing the passage of electric current.

Answer: The answer is D. the arrow is pointing at the atomic symbol of manganese

Explanation:

Atomic symbols are the letters that represent elements like how the atomic symbol "O" represents the element oxygen

Answer: Genes are transcribed into RNA molecules, which are then translated into proteins.

Explanation: Genes are sections of DNA that contribute to certain traits, characteristics or functions. Genes code for proteins or parts of proteins that influence things like the immune system, skin pigmentation, hormone production, and eye color.

Answer:

Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes.

Explanation:

The Maxoids are living things because they possess the characteristics of living things.

Living things are things which have life in them.

Living things are identified by the characteristics which make them living.

The characteristics of living things include:

Considering the Maxoids;

In conclusion, the Maxoids are living things.

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Answer:

Explanation:A chemical response is a chemical transformation in which two chemicals combine to create a third component.

(i) Adding diluted acid to an active metal causes the test tube to heat up and hydrogen gas to escape, which results in the production of heat.

(ii) When diluted hydrochloric acid is added to silver nitrate, AgCl, a white precipitate, results.

(iii) When water is added to quicklime, the mixture boils and produces heat along with a hissing sound.

(iv) Thermal breakdown of mercury oxide - Mercury turns from red to a metallic silver tint as a result of this process.

Answer:

nothing is here

Explanation: