What type of reaction is shown below? Check all that apply. 2Na Cl2 → 2NaCl synthesis decomposition combustion.

Answers

Answer 1

Answer:

Synthesis

Explanation:

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Related Questions

2. How many of valence electrons do the elements in column 4 have? Are these elements very reactive?
Explain your answer.

Answers

Answer:

4

Explanation:

Elements in group 14 have 4 valence electrons. Meaning that to achieve a stable octet they need to either gain or lose 4 electrons in total.

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Answers

The crystals will not be oxidised since it will be underground

Answer:

plutonic rocks are formed when magma cools and solidifies underground This shows us if the rock is plutonic or volcanic. When magma cools underground, it cools super slow and when lava cools above ground, it cools faster. When magma and lava cool, mineral crystals start to form in the molten rock.

Explanation:

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What is carbon? What does it do?

Answers

The Short Answer: Carbon is in carbon dioxide, which is a greenhouse gas that works to trap heat close to Earth. It helps Earth hold the energy it receives from the Sun so it doesn't all escape back into space. If it weren't for carbon dioxide, Earth's ocean would be frozen solid.

If a 435.767 g sample of bottled water contains 2.797 x 10-3 g of lead, what is the concentration of lead in the bottled water, in units of parts per million (ppm)

Answers

Answer:6.42 ppm

Explanation:ppm = (g soluto/g soluzione) ×1000000

How to calculate work done with change in volume and pressure.

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[tex]W = \displaystyle \int dW = \displaystyle \int^{V_2}_{V_1} p ~dV = p(V_2 - V_1) = p \Delta V[/tex]

1. Which of the following statements pertaining to the ionic solids represented below are true?
(0)
1.
Both structure are ductile.
II. Structure (1) has a higher melting point than structure (ii)
III. Both structures conduct electricity in the solid state.
IV. Both structures conduct electricity in the liquid state.

Answers

Answer:

B

Explanation:

so A is nosense C and D the question is saying the stament for a being repersentation of solid not whether eletric or not

an atom of ordinary hydrogen consists of an electron and a

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Answer: hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force.

Explanation:

An atom of ordinary hydrogen consists of one electron and one proton and zero neutrons.

What is a hydrogen atom?

Hydrogen is a chemical element placed at the top of group 1 in the periodic table and is represented by the chemical symbol H and atomic number 1.

A hydrogen atom is the lightest atom of the element in the whole periodic table. Hydrogen exists as a gas of diatomic molecules having the formula H₂ at standard conditions. Hydrogen gas is tasteless, colorless, odorless, non-toxic, and highly combustible.

Hydrogen is constituting roughly 75% of all normal matter and is the most abundant chemical substance in the universe. Most of the hydrogen element on Earth exists in forms like water and organic compounds.  Each atom of hydrogen (¹H) has one proton, one electron, and no neutrons.

Hydrogen element is nonmetallic and easily forms a single covalent bond with most nonmetallic elements, forming compounds like water.

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What is q in chemistry.

Answers

Answer:

The reaction quotient!

Explanation:

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what word describes when tiny droplets of one liquid are finely dispersed within another liquid?

Answers

When tiny droplets of one liquid are finely dispersed within another liquid it is called emulsion.

Emulsion can be defined as the process by which two liquids that are not miscible come together to form a mixture.

The emulsion mixture usually consists of an oil phase and a water phase.

The oil phase appears as droplets when dispersed (mixed with) the water phase.

The uses of emulsion include:

It is used in chemical industries for production.

It is used for production of medicine.

Digestion of fatty food components in the intestine takes place through the process of emulsion.

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What is the formula for the ionic compound formed by calcium and selenium?

Answers

Answer:

CaSe

Explanation:

not sure!!

Complete the sentence.

Atoms form chemical bonds to satisfy the ______
rule and to become _______

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The first one is octet and the second one is stable

Write the balanced chemical equation for the reaction
of solid carbon with oxygen gas to form carbon monoxide gas.

Answers

Answer:

2C +O2 - CO

Explanation:

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The balanced chemical equation for the reaction of solid carbon with oxygen gas to form carbon monoxide gas is  2 C + O₂[tex]\rightarrow[/tex] 2 CO.

What is chemical equation?

Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.

A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .

The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.

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C2H4NH Lewis structure

Answers

if it’s just C2H4 it’ll be

5) When rain falls to the earth, it just doesn't sit there. Instead, the rain water starts moving. Some of the precipitation seeps into the ground to replenishing groundwater. However, most of
it flows downhill as runoff. Runoff is important in filling rivers and lakes, but it also changes the landscape by erosion and can be a powerful mover. Flowing water is a powerful force,
capable of moving boulders and carving out canyons. Runoff has an impact on streams and rivers, but it also has an impact on the ocean system. What can you infer about the impact of
runoff on Ocean life? Choose ALL that apply.
A) Runoff drops a lot of sediment in the ocean, decreasing salinity.
B) Runoff builds up the coastline, depositing sediment, disrupting habitats of marine wildlife.
Runoff can lead to overgrowth of algae that can cause oxygen deprivation and create a dead zone.
D) Runoff carries pollutants into the ocean, causing illness and death of vulnerable marine populations.
) Runoff can carry bacteria, viruses and other pathogens from pet and livestock waste that can harm shellfish and other marine organisms.

Answers

Answer: Rain evaporates and this same process happens over and over again.

Explanation:

Calculate the molecular mass of the element

They give:H=1,AI=27,S=32,0=16,Cu=64,P=31,Mg=24,N=14,Na=23

Answers

Answer:

Na2SO4

2×23 + 32 + 4×16

46 + 32 +64

=142g

why is transfer of the heat by the actual movement of the warmed matter

Answers

Answer:

The warmer the water gets the particles begin to expand and starts vibrating

assume you are performing the calibration step of experiment 8 and you begin with 80 g of water at 20 oc and 80 g of water at 80 oc. after adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment, you determine the temperature of the mixed portions of water to be 45 oc. what is the heat capacity of the calorimeter?

Answers

The heat capacity of the calorimeter is 133.76 J°/C.

A calorimeter is an apparatus employed when estimating the amount of heat required in a chemical reaction.

For the given calorimetric function:

the heat lost by the hot water = to the heat gained by the cold water and the calorimeter.

These can be computed mathematically as:

[tex]\mathbf{m_wC_w\Delta \theta _w = m_cC_c\Delta \theta _c + C_{cal} \Delta_c}[/tex]

[tex]\mathbf{80 \ g\times 4.18 J/g^0 C \times (80-45)^0 \ C = 80 g \times 4.18\ J/g^0 \ \times (45- 20)^0 +C_{cal} \times (45- 20)^0 \ C}[/tex]

[tex]\mathbf{11704 \ J =8360 \ J+C_{cal} \times (25)^0 \ C}[/tex]

[tex]\mathbf{(11704 -8360) \ J= C_{cal} \times (25)^0 \ C}[/tex]

[tex]\mathbf{ C_{cal} = \dfrac{3344 \ J} { (25)^0 \ C}}[/tex]

[tex]\mathbf{ C_{cal} =133.76 \ J/^0 C}[/tex]

Therefore, the heat capacity of the calorimeter is 133.76 J°/C.

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Will the things dissolve by themselves over time?​

Answers

When a substance dissolves, it looks like it disappears. But in fact it has just mixed with the water to make a transparent (see-through) liquid called a solution. A solution has two parts. The solute is the solid that gets dissolved.

Answer:

it really depends what they are

Explanation:

HURRY for a BRAINLIST

Answers

Answer:

B  

Explanation:

Answer:

answers

B

Explanation:

Explicaciónexplicacaca

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

Explain how magnesium is produced at the negative electrode from molten magnesium chloride

Answers

Answer:

being cation it migerates to cathode to be reduced to elemental magnesium

Explanation:

Mg+2. +2e -----------Mg

The half-life of Palladium-100 is 4 days. After 16 days a sample of Palladium-100 has been reduced to a mass of 6 mg. What was the initial mass (in mg) of the sample

Answers

Answer:

96mg

Explanation:

Since the half-life of Palladium-100 is 4 days and the sample has been reduced after 16 days, that means the sample has undergone four half-lives. To find the intial mass, just work backwards:

6 x 2= 1212 x 2= 2424 x 2= 48 48 x 2= 96

As you see, I've worked backwards from the four half-lives. So the initial mass after 16 days is 96 mg.

What is the chemical name of NaCl₂

Answers

Answer:

It’s sodium chloride

Explanation:

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It is Sodium chloride

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Question: How can NASA scientists use Newton's third law of motion to plan for a space vehicle landing on a meteor? Make a claim. Support your claim with evidence from the article. Then, explain why the evidence supports your claim.

Article: https://newsela.com/read/lib-newton-third-law/id/54749/

Answers

Answer:

Explanation:

NASA uses rockets to launch astronauts and supplies to the International Space Station. Launching a rocket relies on Newton's Third Law of Motion. A rocket engine produces thrust through action and reaction. The engine produces hot exhaust gases which flow out of the back of the engine

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14 In which group are all the elements found
naturally only in compounds?
(1). 18
(3) 11
(2) 2
(4) 14

Answers

your answer is 2 hope this helped

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The following image shows what happens when the particles in a certain state occupy a space. What is the state of the substance that is occupying the space and how do you know?





A. The substance is a gas because the particles are spreading out to fill the space of the container.


B. The substance is a liquid because the particles inside are taking the shape of the container.


C. The substance is a mixture of a gas and a liquid because the particles are filling the space of the container.


D. The substance is a solid because the particles inside the box have a definite shape.

Answers

Answer:

A

Explanation:

The substance is a gas because the particles far randomly arranged and far apart from each other. This happens because when a substance is a gas, particles have weak attraction to each but a lot more kinetic energy which means the they move around all the time spreading out to fill the container. If it was a solid, then all the particles would be very close together and have a fixed position and if it was a liquid then the particles would be fairly close and moving around each other but as we can see in the diagram, all the particles are far apart confirming that it is a gas.

Answer:

the answer is A beacause the other person is right :)

Explanation:

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Describe the physical properties of Copper (Cu) based on what you know about metals, nonmetals, and metalloids

Answers

Answer:

Copper is reddish brown color

Its density is 8.93 g cm-3

highly malleable at ordinary temp, but is brittle near its melting point

god conductor of heat and electricity

Explanation:

Explain why photosynthesis is essential for living plants and animals.​

Answers

The main reason why photosynthesis is essential for living and animals because photosynthesis allows plants to make glucose, which is need to make energy and cellular structures. Photosynthesis is also the main source of food on earth. It release oxygen which is an important element for survivals

cobalt iii percarbonate as a formula

Answers

Answer:

Co2(CO3)3

Hope this helps!!

Help me please, I don't get it. Please & thank you, xoxo !

Answers

Sorry I accidentally touched it

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your amazing and beautiful or handsome or whatever you are comfortable with!:D Please help i will give brainliest :) Pls help Between meetings, members of Congress________ A board is 80 inches long. How long is it in feet and inches? please help ;-; Imagine that you are a writer for a leading newspaper company in the philippines brainly. pa help po 13.) given that " G " varies directly as " h " and g=64 when h=8 find the variation constant can you plss answer no.# 13-15wc in advance po take note nonsense answer= reportgood answers will get brainlist and I'll follow you and I'll rate you Our brows bound war hath smooth'd his fair protective tricks,He capers nimbly in a lady's chamberTo the clouds the clouds the souls of our house Need help my assignment was too right a poem like Shakespeare What is the value of x? Enter your answer in the box. x = Inequalities definition pls I need answers ASAP,thank you Help plsss!this is journalism Order from least to greatest -0.4, -1/5, and -0.65 How to read a pedigree. I need help with help with this. (*_*) Which structural element does the poet use in thisexcerpt?O rhyme schemeO repeated lineO coupletO quatrain Read the excerpt from Warriors Don't Cry.Just before the court hearing where Governor Faubus would be called to account, the nine of us were summoned to Mrs. Bates's house to meet with the press. Nothing had changed since our last meeting. The troops were still in place around the school, and every morning the crowd of segregationists grew larger. Governor Faubus was still predicting violence.Several very dignified and important-looking men sat in her living room. One was the NAACP attorney, Wiley Branton. I recognized another man whose picture I'd seen in the newspapers: the famous lawyer Thurgood Marshall, the man who had delivered the argument that resulted in the Supreme Court's 1954 school integration ruling.What is the authors purpose for including these details? how do animals diff? Need help putting this in correct order?CUARENTA TENEMOS Y DOS SILLAS CUANTAS NOSOTROS TENEMOS Point A is located at (2, 6) and point B is located at (18, 12). What point partitions the directed line segment AB into a 2:3 ratio?A. (8 2/5, 8 2/5) B. (10 1/2, 10 1/2)C. (11 3/9, 9 3/5)D. (14 1/2, 12) Locate the prepositional phrase and indicate if it is an adjective or adverb phrase.Spring will come in March.adjective phraseadverb phrase