The _______________ emits radiant energy toward Earth’s surface

Answers

Answer 1

Answer:

The Sun is your answer.

Explanation:

it is.


Related Questions

help asap for brainlist

Answers

Answer:

Function A: +3

Function B: +2

y intercept is greater in Function B, the value is 16

Explanation:

Type the correct answer in each box to complete the table. Use numerals instead of words.
Determine the least common multiple of the charges for each combination of elements in the table. Ignore the plus (+) and minus (−) signs of the charges and just enter numerals. The first row is completed for you.

Answers

The least common multiple of the charges for each combination of elements in the table. Ignoring the plus (+) and minus (−) signs of the charges and just entering the numerals. The table is complete as follows.

                          chlorine(Cl)      oxygen(O)         nitrogen(N)

Lithium(Li)                 1                        2                     3

magnesium(Mg)        2                       1                      3

aluminium(Al)            3                       2                     1

How charged species formed?The charged species formed by losing and gaining of an electrons from an atoms and which called ions.If an atoms lose one and more an electrons then positive charged species formed called cation. If an atoms gain one and more an electrons then positive charged species formed called an anion.

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Answer: the first one is incorrect

Explanation:

type the max number of electrons that can be present in each shell or sub below

n = 5 shell __
n = 2 shell __
n = 2 l = 0 sub: __
n = 2 / 1 sub: __
3d sub: __
2s sub: __
5f sub: __

Answers

Explanation:

The maximum no. of electrons in a shell is given by. 2n^2 .

So for

n= 5 , 2× 5× 5 = 50

n=2 , 2×2×2 = 8

For a sub shell the maximum no. of electrons possible is given by 2(2l + 1)

So for n= l= 0

2 [(2×0) +1] = 2

for n=2 l=1

2 [(2×1) + 1] = 6

3d

d sub shell has l= 2 quantum number

Therefore 2[ (2×2) + 1] = 10

2s

s sub shell has l=0 quantum number

2 [(2×0) +1] = 2

5f

f sub energy level has l=3 quantum number

So 2[ (2×3) +1 ] = 14

The azimuthal quantum numbers for the sub shells are as follows

( s ---> 0

p----> 1

d----> 2

f ----> 3 )

Does chlorine have a smaller ionic radius than soium.

Answers

Answer:

sodium atoms are much larger than chlorine atoms but in case of sodium ions they are much smaller thqn chlorine ions

Name the elements that make the phone vibrate.

Answers

Answer:

someone calling you, notifications or apps

Explanation:

Which of the following are needed to calculate the percent yield? Select all that apply. Question 10 options: Theoretical yield Actual yield Excess yield Limiting yield

Answers

Both theoretical and actual yields would be needed to calculate percent yield.

The percent yield of a reaction is defined as the ratio of the actual yield to that of the theoretical yield. It can be mathematically expressed as:

percent yield = actual yield/theoretical yield x 100%

The actual yield is the amount of a specific product produced from a reaction while the theoretical yield is the stoichiometric amount of the same product.

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What is the pressure in millimeters of mercury inside a container of gas.

Answers

Atmospheric pressure is 754.6 mm Hg and the density of mercury is 13.546 g/mL.

what is an environmental result from burning fossil fuels?

Answers

Answer:

The burning of fossil fuels contributes to the addition of greenhouse gases to the atmosphere. These gases trap thermal energy in the Earth's atmosphere.

If the energy of the reactants is less than
the energy of the products, what kind of reaction is it.

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The opposite type of reaction (where energy is taken in from the surroundings of a reaction and thus the energy of the reactants is lower than that of the products) is called an endothermic reaction

what will happen to the temperature if heat is added to an object the temperature is​

Answers

Answer:

The temperature will rise as a matter of fact

Explanation:

Heat is the type of energy that travels from one point to another owing to temperature difference.

diagram 1 above shows equimolar samples of two gases inside a container fitted with a removable barrier placed so that each gas occupies the same volume. the barrier is carefully removed as the temperature is held constant. diagram 2 above shows the gases soon after the barrier is removed. which statement describes the changes to the initial pressure of each gas and the final partial pressure of each gas in the mixture and also indicates the final total pressure?

Answers

This problem is describing the state two gases have when separated and together as shown on the attached picture. First of all, diagram 1 shows how they are separated in two containers with apparently equal volumes, whereas diagram 2 shows the removal of the barrier so that they get mixed together.

In this case, we can analyze that each gas has its own pressure and due to the removal of the barrier, both pressure and volume undergo a change. Thus, we can infer that the final volume is doubled with respected to the initial one for each gas, causing the pressure of each gas to be halved and the total pressure the half of the added ones, in agreement to the Boyle's law (inversely proportional relationship between pressure and temperature).

Therefore, the correct choice is:

C. The partial pressure of each gas in the mixture is half its initial pressure; the final total pressure is half the sum of the initial pressures of the two gases.

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what is the name of the high-energy compound that cells use to fuel chemical reactions?

Answers

Answer: Adenosine triphosphate, or ATP, is the primary carrier of energy in cells. The water-mediated reaction known as hydrolysis releases energy from the chemical bonds in ATP to fuel cellular processes.

Explanation:

fork is a metal or nonmetal ?

Answers

It is a metal because forks are made from metals

Which of the following best describes the cell below


plant cell

Protist cell

Eukaryotic cell

Prokaryotic cell


Answers

Answer:

Prokaryotic cell

Explanation:

If you search it up you will see that the prokaryotic cell looks exactly alike with the picture you have posted.

under the same conditions of temperature and pressure how does a liquid differ from a gas

Answers

Under the same conditions of temperature and pressure, a liquid differs from a gas because the particles of the liquid a) are in constant straight-line

does anyone know how to find the electron configuration of an element without using a periodic table?? group and period is already given

Answers

For that you have to use the Aufbau principle

For example, writing the electronic configuration of Fe(28)

I recommend that you memorize the aufbau principle. Once you learn it, you don’t need anything else except the atomic number of the element to write it’s electronic configuration.
Hi I’m sorryyyy I’m not sure

is it difficult or easy to obtain hydro power

Answers

Answer:yes

Explanation:

cause yes

When 50 cm³ of hydrocarbon Y is burnt, it reacts with exactly 300 cm³ of oxygen to form 200 cm³ of carbon dioxide. Water is also formed in the reaction. Deduce the equation for this reaction. Explain your reasoning.

Answers

Answer:

C2H4 + 3O2---> 2CO2 + 2H2O

Explanation:

The volume of the gas is directly proportional to the no. of moles of the gas at constant temperature and pressure.

So Volume of O2 : Volume of CO2 = 300: 200

= 3:2

So we can add 3 and 2 stoichiometric coefficients to O2 and CO2 respectively.

Then we can see that out of total 3×2 atoms of O, 2×2 atoms of O have been incorporated into CO2. Therefore the remaining 2 O should be in the H2O ( during complete combustion of hydrocarbon we get CO2 and H2O as products)

So we can add 2 in front of H2O..

Then calculate the total no. of C and H atoms in the products side to find the no. of C and H atoms in the hydrocarbon.

C=2

H=4

So the hydrocarbon burnt has the formula C2H4.

To solve such this we must know the concept of combustion reaction. Therefore, The balanced chemical reaction will be

C[tex]_2[/tex]H[tex]_4[/tex]+ 3O[tex]_2[/tex][tex]\rightarrow[/tex] 2CO[tex]_2[/tex] + 2H[tex]_2[/tex]O

What is chemical reaction?

Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, double displacement reaction.

Combustion reaction is a reaction in which a substance, basically hydrocarbons burns in presence of oxygen to produce carbon dioxide and water.

At constant temperature and pressure, the number of moles of the gas directly relates to the volume of the gas.

Volume of O[tex]_2[/tex]: Volume of CO[tex]_2[/tex]

= 300: 200

= 3:2

The chemical reaction will be

C[tex]_2[/tex]H[tex]_4[/tex]+ 3O[tex]_2[/tex][tex]\rightarrow[/tex] 2CO[tex]_2[/tex] + 2H[tex]_2[/tex]O

Therefore, the chemical reaction will be

C[tex]_2[/tex]H[tex]_4[/tex]+ 3O[tex]_2[/tex][tex]\rightarrow[/tex] 2CO[tex]_2[/tex] + 2H[tex]_2[/tex]O

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4,756 rounded to nearest thousand

Answers

Answer:

5,000

Explanation:

When rounding to the thousands place, you look at the digit in the hundreds place, if the digit is less than 5 you round down. For example if the number was "4,456," we would round to "4,000." But, since the digit in the hundreds place is 7, which is greater than 4, you round up to "5,000."

Your answer will be 5,000 because 4,756 is 5000 rounded to the nearest THOUSAND. and the 7 is greater then 5 so you would make the 4 turn into a 5 and everything else goes to 0.

c. 0.0023 moles of CO2

Answers

Answer:

0.1gram

Explanation:

mass = no of moles × molar mass

When iodine is added to foods with no starches it turns

Answers

Answer:

Add Iodine-KI reagent to a solution or directly on a potato or other materials such as bread, crackers, or flour. A blue-black color results if starch is present. If starch amylose is not present, then the color will stay orange or yellow

Answer please
........................................

Answers

Answer:

The answer would be:

C. Potassium and magnesium

Explanation:

because the only have valence electrons

Someboyd please helppppppp!!!

Answers

Sodium: Na+

Iron (II): Fe2+

Iron (III): Fe3+

Titanium (IV): Ti4+

Vanadium (V): V5+

Ammonium: NH4+

I hope this helps! :)

When particles in a solid or liquid move faster they move slightly further apart, what is this called?

Answers

When particles in a solid or liquid move faster they move slightly further

apart and is referred to as Elastic collision

Liquids and gases possess more kinetic energy than solids which is why

there is movement of its atoms in a system. Gas have the highest kinetic

energy and solids have the lowest. When the atoms move ,they collide with

one another which pushes the particles further apart.

The atoms in liquid and gas exhibit vibrational(rotational) motion which brings about movement and collision of the particles.

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How does a phase change from solid to liquid occur in a substance?(1 point)

Answers

Answer:

As heat is added to solid water, the temperature increases until it reaches 0 °C, the melting point. At this point, the phase change, added heat goes into changing the state from a solid to liquid. Only when this phase change is complete, the temperature can increase.

hope this helps

Heat is responsible for the change of phase from solid to liquid state.

A phase change from solid to liquid occur in a substance by heating of that substance because the bonds present between solid particles can be broken down with the help of heat energy.

When the bond is heat at the temperature on which it is broken down, the solid particles are converted into liquid substance so we can conclude that heat is responsible for the change of phase from solid to liquid state.

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When bacon is cooked, a solid fatty residue remains in the pan after cooling. What can be said about the fat in bacon based on this observation

Answers

Answer:

The fatty acids are mostly saturated.

Explanation:

Briefly explain the importance of ATP and its role in a cell.

Answers

Answer:

n energy-carrying molecule found in all living things' cells. ATP absorbs chemical energy from the breakdown of food molecules and uses it to power other cellular processes.

Explanation:

Hope it helps

ATP is a crucial energy molecule in cells, providing energy for various cellular processes.

ATP, or adenosine triphosphate, is often referred to as the "energy currency" of the cell. It plays a vital role in cellular metabolism by providing energy for various processes. ATP is composed of adenosine and three phosphate groups. The energy stored in ATP is released when the terminal phosphate group is hydrolyzed, forming ADP (adenosine diphosphate) and inorganic phosphate (Pi).

The role of ATP in a cell is multifaceted. Firstly, ATP powers cellular work by providing the energy needed for chemical reactions, such as biosynthesis, active transport, and muscle contraction. It acts as an immediate source of energy that can be rapidly used by the cell.

Secondly, ATP participates in signal transduction and cellular communication. It can be hydrolyzed to ADP and Pi, releasing energy that can activate signaling molecules and enzymes involved in cell signaling pathways.

Furthermore, ATP is involved in maintaining cell homeostasis. It provides energy for processes like ion pumps that maintain the electrochemical gradients across the cell membrane, allowing cells to regulate their internal environment.

Overall, ATP is crucial for the functioning of cells as it serves as an energy carrier, facilitating energy transfer and powering various cellular processes essential for growth, metabolism, and cell survival.

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Assume that 3.00 grams of HgO was used in this reaction. To determine the number of moles of oxygen gas formed, you need to know the number of moles of HgO reactant was used. What quantity in moles of HgO were used

Answers

Taking into account the reaction stoichiometry and the definition of molar mass, the quantity of HgO used is 0.01385 moles and 0.006925 moles of O₂ are formed when 3.00 grams of HgO was used.

In first place, the balanced reaction is:

2 HgO → 2 Hg + O₂

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

HgO: 2 molesHg: 2 molesO₂: 1 mole

The molar mass of the compounds is:

HgO: 216.59 g/moleHg: 200.59 g/moleO₂: 32 g/mole

You know that 3.00 grams of HgO was used. Then, the quantity in moles of HgO used, can be calculated using the molar mass of HgO as follow:

[tex]3 gramsx\frac{1 mole}{216.59 grams}[/tex]=  0.01385 moles

Finally, the quantity of HgO used is 0.01385 moles.

To determine the number of moles of oxygen gas formed, the following rule of three can be applied: if by reaction stoichiometry 2 moles of HgO form 1 mole of O₂, 0.01385 moles of HgO form how many moles of O₂?

[tex]amount of moles of O_{2} =\frac{0.01385 moles of HgOx1 mole of O_{2} }{2 moles of HgO}[/tex]

amount of moles of O₂= 0.006925 moles

Then, 0.006925 moles of O₂ are formed when 3.00 grams of HgO was used.

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what general statements can you make about the relationship between the color of a solution and the color of light it absorbs?

Answers

The color absorbed is the complementary color to the color we perceive.

The color absorbed by an object and the color we perceive are complementary. All objects that we see have different colors. The color we see is always opposite to the color absorbed by the object in the color wheel.

Hence, the color wheel can be used to show the relationship between the color perceived and the color absorbed by the object. The color absorbed is the complementary color to the color we perceive.

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what is Java ‽‽‽‽
[tex] \: [/tex]

Answers

Answer:

Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.

Explanation:

what is the context of that questing ?

just by itself 3 main answers :

an island

coffee from that island

a programming language

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