what do i put in the columns?​

Answer:

Hope this Helps! :)

Explanation:

The word ecosystem refers to the all of the living species as well as non-living elements in a particular environmental area. For instance, a lake, swamp, coral reef, forest, or a prairie would each be considered an ecosystem. Ecosystems can vary greatly in size and individual characteristics -- for instance, the ecosystem of a puddle differs greatly from that of a swath of tundra.  

Despite these disparities, all ecosystems function similarly in the way in which energy flows into, through, and out of them through the energy cycle

Energy is transferred into and out of ecosystems via a web of complex interactions. Energy enters an ecosystem from external sources and moves throughout its components. For instance, energy from the sun flows through plants, microorganisms, and animals. Energy cycles in an ecosystem end with decomposition, and then the process begins anew    

Essentially, the flow of energy through ecosystems can be explained by who eats what. Keep in mind, however, that energy transfer isn’t perfectly efficient; much of it dissipates as heat at various phases in the cycle.

The energy flows from the sun to the plants by photosynthesis and animal eats plants and energy is transferred from plants to animals.

The energy transfer isn't entirely efficient because a significant amount of it evaporates as heat at different points throughout the cycle.

Despite these differences of energy, all ecosystems function similarly in terms of the energy cycle, which governs how energy enters, passes through, and exits them.

Ecosystems receive and expend energy through a network of intricate interconnections. An ecosystem receives energy from outside sources, which circulates among its parts.

Thus, as a result of photosynthesis, energy is transmitted from the sun to plants, which are then consumed by animals.

To learn more about the transfer of energy, refer to the below link:

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Answer:

[tex]\boxed {\tt Oxygen \ and \ glucose}[/tex]

Explanation:

The photosynthesis equation is:

energy+6CO₂+6H₂O--> C₆H₁₂O₆+6O₂

The reactants are light energy, carbon dioxide, and water. The products are glucose and oxygen.

The products of photosynthesis become the products of the light-independent reaction called cellular respiration, which creates useable energy. Therefore, the correct answer is oxygen and glucose.

Answer:

i wish i could help but people are around me

Explanation:

Answer:

B

Explanation:

I sacrificed my grade for pakistan.

Answer:

the answer to your question is: true

Thermal energy has been the total amount of energy that has been present in the object. The thermal energy has been directly proportional to the size of the object. Thus, the statement is true, and option a is correct

Thermal energy is defined as the energy possessed by the particles of the molecules and atoms that follows the kinetic molecule theory and moves faster and collides with each other when the temperature of the system has been increased.

This type of energy has been known to be passed by the object having to be in the vicinity of the temperature. Thermal energy can flow from one substance to another due to differences in temperature.

Thermal energy has been possessed by fossil fuels like coals, and natural gases, along with electric heat,m solar heat, and geothermal heat. The thermal energy has been directly proportional to the surface area and bigger objects having more surface will be able to hold more energy.

Therefore, the statement about thermal energy and surface area is true.

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Answer:

chemical means

Explanation:

Compounds can be separated by chemical means physical means boiling pressure

Answer:

17.94 annd 27.69 respectively.

Explanation:

Na(s) + Cl(g) n` NaCl(s)

mass of NaCl = 45.6 g

Mr of NaCl = 23 + 35.5

= 58.5g/mol

mole of NaCl = mass/Mr

= 45.6/58.5

= 0.78 moles

From the equation;

1 mole of NaCl = 1 mole of Na = 1 mole of Cl

hence 0.78 mol of NaCl = 0.78 mol of Na = 0.78 mol of Cl.

mass of Na = 0.78 × 23

= 17.94 grams

mass of Cl = 0.78 × 35.5

= 27.69 grams

The mass of the sodium and chlorine gas taken for the reaction was  17.92 grams and 27.73 grams​ respectively.

Sodium chloride is an ionic compound in which the sodium (Na⁺) and chloride (Cl⁻) ions are present in a ratio of 1 : 1. It is commonly known as table salt or halite.

Sodium and chlorine react with each other to generate a substance that is familiar to everybody around the globe which is sodium chloride.

2Na (s)   +   Cl₂ (g)   [tex]\longrightarrow[/tex]    2NaCl (s)

The atomic mass of the sodium (Na) = 23 g/mol

The atomic mass of chlorine,(Cl) = 35.5 g/mol

The molar mass of the sodium chloride (NaCl) = 58.5 g/mol

Given, the mass of the NaCl formed = 45.6 g

If 117 g NaCl formed from sodium = 2× 23 g

Then 45.6 NaCl will be formed from Na = 17.92 g

If 117 g NaCl formed from chlorine = 2× 35.5 g

45.6 NaCl will be formed from chlorine = 2× 35.5 ×45.7/117 = 27.73 g

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you are given the mass of an element, you use the periodic table to find its molar mass, and multiply the given mass by the reciprocal of the molar mass. This is Mass → Moles . Once you have moles, multiply by Avogadro's number to calculate the number of atoms. This is Moles → Atoms

Answer:

64.71C

Explanation:

Given

Mass (m) = 5g

Initial Temperature (T1) = 25C

Heat (Q) = 832 joules

Required

Determine the final temperature

This question will be solved using:

Q = mc∆T

Where c = specific heat = 4.19

Substitute values in the above formula, we have:

832 = 5 * 4.19 * (T2 - 25)

832 = 20.95 * (T2 - 25)

Divide both sides by 20.95

39.71 = T2 - 25

Add 25 to both sides

39.71 + 25 = T2

T2 = 64.71C

Answer:

Number of replacable H

+

ions in H

2

SO

4

=n=2

Normality =n× Molarity=2×2=4 N

Answer:

force and mass

Explanation:

Answer:

CaCl,2

the 2 goes to the bottom right side

Explanation:

H is 1 mole of hydrogen

2H is 2 moles of hydrogen

Answer:

Explanation:

Before Hybridization => C: 1s² ⇵ 2s²⇵ 2p₋₁↑ 2p₀↑ 2p₊₁∅

After Hybridization => C: 1s² 2sp¹ 2sp¹ 2p₀¹2p₊₁¹ => 2 hybrid orbitals and 2 unhybridized p-orbitals at the n=2 energy level.

Answer:

Zero grams of NaCl & KNO₃  ... The reagents mixed in aqueous solution would not produce products as no driving force is present; i.e., no precipitate, weak electrolyte or gas decomposition product will form.

Explanation:

NaNO₃(aq) + KCl(aq) => (theoritically) NaCl(aq) + KNO₃(aq)

However all chloride salts from metathesis rxns remain soluble and 100% ionized except for halide derivatives of Hg⁺², Ag⁺ & Pb⁺₂.  Further, all NO₃⁻ salt derivatives also remain soluble and 100% ionized.

Technically, metathesis reactions (also known as double replacement rxns) depend upon the formation of a 'driving force' that leaves the reaction system in the form of a precipitate, weak electrolyte (weak acid or weak base) or a gas decomposition product. So, the reaction in this case should be as follows:

NaNO₃(aq) + KCl(aq) => No Reaction

Answer:

[tex]\boxed {\tt Carbohydrate \ or \ monosaccharides}[/tex]

Explanation:

There are 4 main types of macromolecules: lipids, proteins, carbohydrates, and nucleic acids.

If you are looking for some quick energy, the best choice is carbohydrates. Carbohydrates are the easiest for the body to break down and turn into ATP/energy.

There are also different types of carbohydrates. If you want a more specific answer, monosaccharides is the best answer. They are the simplest sugars. Also, glucose is a monosaccharide, and it shows up directly in the cellular respiration formula. If glucose is consumed, the body doesn't have to break it down before starting respiration.

AMA

H

+

0

-0-H

H

Single Bond

Answer: Polymers are broken down into monomers via hydrolysis reactions, in which a bond is broken, or lysed, by addition of a water molecule. ... This is the reverse of a dehydration synthesis reaction, and it releases a monomer that can be used in building a new polymer.

Answer:

c+o2=co2

Explanation:

balanced reaction it is correct

Answer:

C + O2 → CO2

Explanation:

i took the test and got it right

Answer: PbSO4

Explanation: Search on google

Answer:

PbSO4

Explanation:

Answer:

2.85g/cm^3

Explanation:

density = mass/volume

density=8.76g/3.07cm^3= 2.85g/cm^3

Answer:

Explanation:

The density of a substance can be found by using the formula

[tex]density = \frac{mass}{volume} \\ [/tex]

From the question we have

[tex]density = \frac{8.76}{3.07} \\ = 2.85342019...[/tex]

We have the final answer as

Hope this helps you

Answer:

Percent yield of reaction is 75%.

Explanation:

Given data:

Moles of A = 2.0 mol

Moles of B = 4.0 mol

Moles of C formed = 1.8 mol

Percent yield of reaction = ?

Solution:

Chemical equation:

2A + 5B     →      3C +  D

We will compare the moles of A and B with C from balance chemical equation.

                A         :          C

                2         :           3

               B          :         C

                 5         :         3

                 4         :        3/5×4 = 2.4 mol

Number of moles of C formed by 4 moles B are less thus B is limiting reactant and will limit the yield of C.

Percent yield:

Percent yield =  actual yield /theoretical yield × 100

Percent yield = 1.8 mol / 2.4  × 100

Percent yield =75%

Answer:

Yes

Explanation:

The fireworks explode

Answer:

The explosion of fireworks is an example of chemical change. During a chemical change, substances are changed into different substances. In other words, the composition of the substance changes.

Answer:

19.6 J

Explanation:

According to the formula:

M.E.= mgh

Answer:

A. Gases;nonreactive

Explanation:

No ur not stupid, lol hope this helps!

Answer:

other dude is right also you aren't  another thing sorry I be late

Explanation:

Answer:

A

Explanation:

All of the other options involve cities, farmers, or companies. Those aren't natural occurrences, so A is the answer. The mangroves protect the village without anything being modified about that environment.

Answer:

For, this question,

The balanced equation is; 2Al + 3 ----> 2Al

We can now, calculate how many grams of will be needed to completely convert 15 g of Al into Al.

Here, the reaction produces, 2 moles of Al

So, For 15.0 g of Al; we can calculate;

(15.0 g Al) X (1 mole Al / 26.98 g Al) X (3 moles / 2 moles Al) X (159.81 g / 1 mole )

= 133 g of  will be needed.

Therefore, 133g of will be needed to completely convert 15 g of Al into Al.

Explanation:

Answer:

Explanation:

Butane is an alkane with the molecular formula C₄H₁₀.

(a) It has two structural isomers (n-butane and 2-methylpropane) shown below

     H   H   H   H

      |     |     |     |

H - C - C - C - C - H

      |     |     |     |

     H   H   H   H

The structure above is n-butane

     H     CH₃ H

      |       |       |

H - C  -  C  -  C - H

     |       |       |

    H     H     H

The structure above is 2-methylpropane and can also be referred to be a tertiary butane because the central carbon atom has 3 methyl groups attached to it as shown below.

        CH₃

         |

H₃C - C - CH₃

         |

        H

Hence, the structure of a tertiary butyl radical after loss/removal of a hydrogen atom will be

         CH₃

          |

H₃C - C⁻ - CH₃

NOTE: It should be noted that the central carbon becomes negatively charged after the loss of the hydrogen atom

(b) This is the practical part of the structure drawn above. The last structure illustrated above can be drawn on the canvas with the instruction provided in the question.

Answer:

The answer is Reverse Itself In The Past

Answer:

x, y, w, z

Explanation:

hope it’s right, but i think it is :)

Answer:

x y w z

Explanation: