Which best describes the path of solar radiation? from the surface of the Earth to the Sun, where it is absorbed from the Sun to the surface of the Earth, where it is absorbed or reflected from the surface of the Earth to the Sun, where it is absorbed or reflected from the Sun to the surface of the Earth, where it is reflected

Answers

Answer 1

Answer:

from the Sun to the surface of the Earth, where it is absorbed or reflected

Explanation:

The solar radiation that emerges out of the sun and that reaches the surface of the Earth is sunlight. There are numerous constituents and particles present in the atmosphere that absorbs the solar radiation. These radiations are weakened by these constituents. Later, these radiations gets scattered in the atmosphere. Some amount of he solar radiation that reaches the Earth's surface is absorbed and some is reflected back.

Answer 2

Answer:

B

Explanation:


Related Questions

Water is a substance made up of the elements hydrogen
and oxygen.
How many types of atoms make up a particle of water?
A. 2
B. 3
C. 4
D. 1

Answers

Answer:

A. 2

Explanation:

A particle of water is made up of two hydrogen atoms and one oxygen atom. However, the question asked for how many types of atoms there are, so the answer is 2.

I think it might be 3

Write down the name and symbol of the particle formed when the magnesium atom loses two electrons

Answers

Answer:

A magnesium atom must lose two electrons to have the same number electrons as an atom of the previous noble gas, neon. Thus, a magnesium atom will form a cation with two fewer electrons than protons and a charge of 2+. The symbol for the ion is Mg2+, and it is called a magnesium ion.

Let's say you asked how many moles of O2
are needed to react with 24 moles of C2H6.

Answers

Answer:

7

Explanation:

write the general strucktures of
A. ketone b. aldehyde c. carboxylic acid d. ester

Answers

A.ketone

R-CO-R

B.aldehyde

R-CH=O

c.carboxylic acid

R-COOH

d.ester

R-CO-O-C-R

Why are K3[Cr(C2O4)3].3H2O, K2[Cu(C2O4)2].2H2O and K3[Fe(C2O4)3].3H2O coloured, whereas K3[Al(C2O4)3.3H2O is colourless? ​

Answers

Explanation:

If a body reflects only a/few color/s of the visible spectrum by absorbing remaining, it appears in that reflected color/s. In case of water, its tri-atomic (2 atoms of hydrogen and one atom of oxygen) structure does not absorb any colors from the visible spectrum of the light. ... Hence water appears colorless while others do absorb

Due to presence of paired electron in K3[Al(C2O4)3.3H2O , it will show colorless.

What is paired electron?

Paired electrons would be those in an atom which occur in pairs in an orbital, while un-paired electrons would be those in an atom that occur alone in an orbital.

Such metals were transition elements, meaning their compounds include un-paired electrons. These un-paired electrons easily create excited energy states, allowing photons to be absorbed and color to be produced.

Therefore, due to the presence of paired electrons complex will be colorless.

To know more about paired electron.

https://brainly.com/question/17647839.

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? C+? O2 +? CO2,
what is the maximum amount of CO2 which
could be formed from 13.19 g of C and 15.92 g
of O2?
Answer in units of g.

Answers

Look at the mole ratio in the balanced equation

2CO + O2 ==> 2CO2

3.44 mol O2 x 2 mol CO/mol O2 = 6.88 moles CO

What is the mass of 0.8 mole of water molecules.

Answers

Answer:14.4g

Explanation:

A rigid, 28-L steam cooker is arranged with a pressure relief valve set to release vapor and maintain the pressure once the pressure inside the cooker reaches 150 kPa. Initially, this cooker is filled with water at 175 kPa with a quality of 10 percent. Heat is now added until the quality inside the cooker is 40 percent. The water is stirred at the same time that it is being heated. Determine the minimum entropy change of the heat-supplying source if 100 kJ of work is done on the water as it is being heated. Use steam tables.

Answers

Answer:

[tex]\Delta S_{source}>-1.204\frac{kJ}{K}[/tex]

Explanation:

Hello!

In this case, given the initial conditions, we first use the 10-% quality to compute the initial entropy:

[tex]s_1=s_{f,175kPa}+q*s_{fg,175kPa}\\\\s_1=1.4850\frac{kJ}{kg*K} +0.1*5.6865\frac{kJ}{kg*K}=2.0537\frac{kJ}{kg*K}[/tex]

Now the entropy at the final state given the new 40-% quality:

[tex]s_2=s_{f,150kPa}+q*s_{fg,150kPa}\\\\s_2=1.4337\frac{kJ}{kg*K} +0.4*5.7894\frac{kJ}{kg*K}=3.7495\frac{kJ}{kg*K}[/tex]

Next step is to compute the mass of steam given the specific volume of steam at 175 kPa and the 10% quality:

[tex]m_1=\frac{0.028m^3}{(0.001057+0.1*1.002643)\frac{m^3}{kg} } =0.274kg\\\\m_2=\frac{0.028m^3}{(0.001053+0.4*1.158347)\frac{m^3}{kg} } =0.0603kg[/tex]

Then, we can write the entropy balance:

[tex]\Delta S_{source}+\frac{Q}{T_1} -\frac{Q}{T_2} +s_2m_2-s_1m_1-s_{fg}(m_2-m_1)>0[/tex]

Whereas sfg stands for the entropy of the leaving steam to hold the pressure at 150 kPa and must be greater than 0; thus we plug in:

Which is such minimum entropy change of the heat-supplying source.

Best regards!

6. Think of some other chemical reactions. List them and the type of reaction: exothermic or endothermic. Example: Burning coal - exothermic​

Answers

Explanation:

When Sulphuric acid is slowly poured into water in a beaker the beaker becomes hot and this is exothermic reaction

when ammonium chloride is dissolved in water in a beaker the beaker becomes cold and this is endothermic reaction

An example of an exothermic reaction is rusting or iron, nuclear fission. Examples of endothermic reactions are the melting of liquid and the evaporation of water.

What is a chemical reaction?

A chemical reaction is a process in which one or two substances or compounds, called reactants, react or get mixed with each other and form a totally new compound called a product.

Exothermic reactions are those in which energy is released into the environment after the reaction. The reactant has more energy than the products.

Endothermic reactions are those in which energy is absorbed from the environment. The product has more energy than the reactants.

Thus, rusting on iron or nuclear fission are two examples of exothermic reactions. Liquid melting and water evaporation are two instances of endothermic processes.

To learn more about a chemical reaction, refer to the below link:

https://brainly.com/question/10373907

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which will dissolve faster in water rock salt or granulated salt

Answers

Answer:

Salt!!!

Explanation:

Directions: Fill in the 12 steps in the decay of U-235 in the diagram below.

Begin with U-235 and finish with an
isotope of lead. The particles emitted in each step are listed below. Use the periodic table to find information about
mass numbers, atomic numbers, and chemical symbols. Place the correct symbol in the space corresponding to the
correct mass number and atomic number.

Answers

Answer:

SUPER MARIOLWEJHRTÑWQEGTPWIQETGQWKÑEJGBKSDLJBGKSJDLGB

Explanation:

how many moles of MgO are there in 403.1g of MgO

Answers

Answer: mark as Brainliest

10 moles

Explanation:

moles=mass/molar mass, therefore 403.1/(24.31+16)=10

Answer:

10 moles

Explanation:

moles=mass/molar mass, therefore 403.1/(24.31+16)=10

How many moles of zinc are there in 0.890 g of zinc?

Answers

Answer:

There are  

4.517

10

23

atoms of Zn in 0.750 mols of Zn.

Explanation:

Since we know that there are  

6.022

10

23

atoms in every mole of a substance (Avogadro's Number), there are  

6.022

E

23

0.750

atoms of Zn in 0.750 mols of Zn.

Answer:

There are  4.517 ⋅ 10  23 atoms of Zn in 0.750 mols of Zn. have a good day:)

Explanation:

A hypothesis is a
a. concise statement of behavior that is always the same under the same conditions
b. set of quantitative data
C. tentative explanation or predication based upon experimental observations
d. well-tested unifying principle that explains a body of facts
e. mathematical formula that models a pattern of behavior
concise statement of behavior that is always the same under the same conditions

Answers

Answer:

the answer is c or d

Explanation:

you can cross out e because it dont make any sense

b thats just data

a is the definition of law

How is the name of each element in the periodic table represented? A. The first two letters of the element's name are used for the table. B. Letters are assigned to each element by the scientist who discovered it. C. Letters are given to represent each element based on when it was discovered. D. One or two letters are used to represent the name of each element.​

Answers

Answer:

D. One or two letters are used to represent the name of each element.​

Explanation:

The name of each element in the periodic table is symbolized by one or two letters.

There different ways of achieving this. Sometimes;

the first letter of the name of the element is used to represent it for example, hydrogen  = H the first two letters are sometimes used, for example Calcium Cathe Latin name is also used for example Gold is Aurum and is represented as Au.

These are some of the ways of symbolizing the name of each element

Which of the following equations demonstrates an actual chemical reaction that forms a new substance?

A1: ZN + 2HCl → 2NCl2 + H2

A2: H2O + NaCl → H2O

A3: Zn + Al + Cu → Zn + Cu + Al

A4: C12H22O11 + H2O → H2O + C12H22O11

Answers

Answer:  [tex]Zn+2HCl\rightarrow ZnCl_2+H_2[/tex]

Explanation:

A chemical reaction is said to have occured when reactants react to form new products where the atoms undergo a change in bonding.

From the given reactions:

1. [tex]Zn+2HCl\rightarrow ZnCl_2+H_2[/tex]

Here Zn combines with hydrochloric acid to form zinc chloride and hydrogen.

2. [tex]H_2O+NaCl\rightarrow H_2O[/tex]

Here water remains as such as no new substance is formed.

3. [tex]Zn+Al+Cu\rightarrow Zn+Cu+Al[/tex]

Here no new substance is formed.

4. [tex]C_{12}H_{22}O_{11}+H_2O\rightarrow H_2O+C_{12}H_{22}O_{11}[/tex]

Here no new substance is formed.

Thus [tex]Zn+2HCl\rightarrow ZnCl_2+H_2[/tex] demonstrates an actual chemical reaction that forms a new substance

Answer:

hope this helps you!

Explanation:

What is the conjugate acid of the acetate ion?

Answers

Answer:

Hydronium ion is the conjugate acid of water.

Exaplination:Acetic acid is the conjugate acid of acetate ion. Hydronium ion is the conjugate acid of water.

how much CaCO3 would have to be decomposed to produce 247 g of CaO

Answers

441 g CaCO₃ would have to be decomposed to produce 247 g of CaO

Further explanation

Reaction

Decomposition of CaCO₃

CaCO₃ ⇒ CaO + CO₂

mass CaO = 247 g

mol of CaO(MW=56 g/mol) :

[tex]\tt mol=\dfrac{mass}{MW}\\\\mol=\dfrac{247}{56}\\\\mol=4.41[/tex]

From equation, mol ratio CaCO₃ : CaO = 1 : 1, so mol CaO :

[tex]\tt \dfrac{1}{1}\times 4.41=4.41[/tex]

mass CaCO₃(MW=100 g/mol) :

[tex]\tt mass=mol\times MW\\\\mass=4.41\times 100\\\\mass=441~g[/tex]

PLEASE HELP WILL GIVE BRAINLEIST ASAP Determine the fraction of an original sample of K-42 that remains unchanged after 24.72 hours.

Answers

Answer:

25% or 0.25 or 1/4

Explanation:

don't know which form you need so here you have all 3

good luck :)

Need help on both questions. Only if you know.

Answers

b, a. hopefully that helps

Ammonia will decompose into nitrogen and hydrogen at high temperature. Calculate the pressure equilibrium constant for the decomposition of ammonia at the final temperature of the mixture

Answers

Answer:

Kp = P (N₂) . P³ (H₂)  /  P² (NH₃)

Explanation:

The reaction for the decomposition of ammonia is given by;

2NH₃ (g) ⇌ N₂ (g) + 3H₂ (g)

The pressure equilibrium constant gives the ratio of the pressure of the product over reactants for a reaction that is at equilibrium.

The pressures of the species are raised to the powers of their respective coefficients.

In this reaction;

Products =  N₂ (g) + 3H₂ (g)

Reactant = 2 NH₃ (g)

The pressure equilibrium constant (Kp) is given as;

Kp = P (N₂) . P³ (H₂)  /  P² (NH₃)

6. Think of some other chemical reactions. List them and the type of reaction: exothermic or endothermic. Example: Burning coal - exothermic​

Answers

Remember: energy is conserved in a chemical reaction (visualize the reaction and question whether heat lies on reactant side (left) or product side (right))

-exothermic- heat is released (heat is on the product side)

>forming an ionic lattice (SALT)- mixture of Na and Cl results in a more stable ionic lattice, causing this reaction to be exothermic

>burning wood

-endothermic- heat is absorbed (heat is on the reactant side)

> cooking an egg

How many protons, electrons, and neutrons? ANSWEN
2+
23
6521
26
Protons
Electrons
Neutrons
28
30
65
3-
31
Protons
Electrons
Neutrons
"As
57 Fe
32
3+
33
35
36
DRAGO
Protons
Electrons
Neutrons
14
ME
US

Answers

Answer:

maybe 20 butvam not sure ooo

A student has 2 rubber balls of the same size and weight. Ball A is still and Ball B is rolling.Ball B hits Ball A, and Ball A start moving. Why does Ball A start moving?
A). Ball A is repelled by Ball B ,
B). Ball B is attracted to Ball A ,
C). Ball B transfers energy to Ball A ,
D). Ball A transfers energy to Ball B

Answers

Answer:

C). Ball B transfers energy to Ball A

Explanation:

The motion of ball A is a because of the energy it acquires.

Ball A initially due to its position posses potential energy due to its position.

The moving ball B has kinetic energy due to the motion of this ball.

Due to the collision, momentum is transferred from the moving ball to the static one. As the momentum of the static ball changes, potential energy is converted to kinetic energy. The magnitude of the energy possessed by the static ball must be lesser than that of the moving.

Answer:

c

Explanation:

boron is a non metal why

Answers

Explanation:

Boron is a non metallic element and the only non-metal of the group 13 of the periodic table the elements. Boron is electron-deficient, possessing a vacant p-orbital. ... It reacts with metals to form borides. At standard temperatures boron is a poor electrical conductor but is a good conductor at high temperatures

How many moles are in
.77 liters of Br2 at STP?

Answers

Answer: 0.034354

Explanation:1 mole=22.4 liters of Br2 at STP so, 22.4x=0.77

x= 0.034354

Answer:

0.034354

Explanation:

Just did worksheet

This base-catalyzed isomerization involves the following steps: 1. Deprotonation to form tetrahedral intermediate 1; 2. Collapse of the tetrahedral intermediate and bond cleavage to form enolate ion 2; 3. Proton transfer to form enolate ion 3; 4. Intramolecular aldol reaction to form tetrahedral intermediate 4. Write out the reaction on a separate sheet of paper, and then draw the structure of tetrahedral intermediate 1.

Answers

Answer:

Explanation:

The objective of this question is to show the stepwise reaction mechanism for the base-catalyzed isomerization. This mechanism is shown in the attached diagram below together with its intermediary and enolate ions.

—————————Are formed by a combination of two or more different kinds of Atom

Atom of the same ———————————-element have identical properties

Answers

Answer:

1. molecules.

2. size ,shape and mass.

BRAINLIEST!! IGNORE IF YOU DON'T KNOW Which compound contains the highest percentage of nitrogen by mass? Choose one and show your work.

NH4NH2CO2
NH4NO2
N2O3
NH4Cl
NH2OH

Answers

Answer:

NH4NO2.

Explanation:

Hello!

In this case, since the by-mass percent of any element (in this case nitrogen) is computed by:

[tex]\%N=\frac{n_N*m_N}{M}*100\%[/tex]

Whereas n is the number of N in the compound, m the atomic mass of nitrogen (14.01 g/mol) and M the molar mass of the compound. Thus, down below we can find the molar mass of each compound and the by-mass percent of nitrogen:

NH4NH2CO2  = 78.07 g/mol

[tex]\%N=\frac{2*14.01}{78.07}*100\%=35.9\%[/tex]

NH4NO2  = 64.06 g/mol

[tex]\%N=\frac{2*14.01}{64.06}*100\%=43.7\%[/tex]

N2O3  = 76.01 g/mol

[tex]\%N=\frac{2*14.01}{76.01}*100\%=36.9\%[/tex]

NH4Cl  = 53.49 g/mol

[tex]\%N=\frac{1*14.01}{53.49}*100\%=26.2\%[/tex]

NH2OH = 33.03 g/mol

[tex]\%N=\frac{1*14.01}{33.03}*100\%=42.4\%[/tex]

In such a way, the compound with the highest percentage of nitrogen by mass is NH4NO2.

Best regards!

Answer:

NH4NO2

Explanation:

The answer is the 2ndone

NH4NO2

The EPA tracks the amount of DDT that has entered into our water systems to ensure water safety. Calculate the ppm for a solution made by putting 2.7 g of DDT into a 59000 g of water. Assume masses are additive

a. 46 ppm
b. 0.0046 ppm
c. 4.6 ppm
d. 4.6 x 10^-5 ppm

Answers

i think the answer is C. i’m not sure mate
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