if the element xenon applied for a job, what job would it apply for

Answers

Answer 1

Answer:

A photographer.

Explanation:

Xenon is used in photographic flashes.


Related Questions

why do we see only one side of the moon from earth?

Answers

Answer:

The moon's period of rotation and revolution are equal

Which of the following is an example of heat transfer by radiation?

A.
Warm air rising in our atmosphere, cooling and sinking.

B.
Standing next to a fire and feeling the heat from it.

C.
Touching a hot pot handle.

Answers

Answer:

standing next to a fire and feeling the heat from it

Identify earths lithospheric plates

Answers

Answer:

Lithospheric plates are regions of Earth's crust and upper mantle that are fractured into plates that move across a deeper plasticine mantle. Earth's crust is fractured into 13 major and approximately 20 total lithospheric plates.

Explanation:

I hope this helps

3 hazards that occur in teaching and learning of science

Answers

Acid and nuclear technology that occur in the process of the mitochondria similar to like cancer

Help me, I don’t understand

Answers

Answer:

option c

Explanation:

ffuunkie. tfnhc dhrhrjebrjeieie

opening c
Bssieehskwkbbshsi

I am a subatomic particle
that is positively charged what am I?

Answers

The right answer is Proton.

Additional Information:

There are three types of subatomic particles. They are:

ProtonElectronNeutron

Proton is a positively charged particle,Electron is negatively charged particle and Neutron is charge less.

Hope it will be helpful to you...

A chemistry student mixes 25 milliliters of 3.0 M hydrochloric acid (HCl) with excess sodium hydroxide. The chemicals react according to this chemical equation:

HCl + NaOH → NaCl + H2O.

If the volume of the resulting solution is 68 milliliters, what is the concentration of sodium chloride?

Answers

Answer:

1.1 mol/liter

Explanation:

You would use the M1V1 = M2V2 equation to solve this.

We know M1 is 3.0 M, V1 is 25 milliliters, and V2 is 68 milliliters. We need to find M2.

To find M2, first plug in what you know.

(3.0 M)(25 mL) = M2(68 mL)

Then, divide everything by 68 mL to get M2 by itself

Your answer should be a quite large decimal but I rounded it to 1.1 mol/liter.

Answer:

The concentration of sodium chloride is 1.1 moles/liter.

Explanation:

How many mL of 0.5 M H2SO4 will neutralize 10 mL of 1.5 M NaOH?

0.75mL

30 mL

3 mL

15 mL

Answers

Answer:

15 mL

Explanation:

Please see the step-by-step solution in the picture attached below.

Hope this answer can help you. Have a nice day!

Unlike bacteria, an animal cell contains

Answers

Answer:

Membrane

Explanation:

Unlike a bacteria , an animal cell contains membrane which bounds organelles.

PLS HELP

In the balanced equation:


H3PO4(aq) + NH3(aq) ↔ X(aq) + NH4+(aq)



The particle represented by X(aq) is


A) H2PO4–(aq)

B) HPO42–(aq)

C) PO43–(aq)

D) H3PO4(aq)

Answers

Answer:

The particle represented by X(aq) is  A) H₂PO₄⁻(aq)

Explanation:

According to the Brønsted-Lowry Theory, a base is a substance capable of accepting protons (H⁺) in solution. Conversely, a substance acts as an acid if it acts as a proton donor.

A proton transfer then occurs, requiring the presence of a proton donor (an acid) and a base that accepts them.

When an acid gives up a proton, it becomes an anion, generating a conjugate base. That is, a conjugate base is an ion or molecule resulting from the acid that loses the proton. Conversely, a conjugated acid is an ion or molecule resulting from the base that the proton gains.

In this NH₃ / NH₄⁺ pair that NH₄⁺ is the conjugate acid of the NH₃ base, the latter acting as a base since it accepts a proton. H₃PO₄ then acts as an acid, yielding a proton and generating the conjugate base H₂PO₄⁻.

So, the particle represented by X(aq) is  A) H₂PO₄⁻(aq)

Use the term DNA in a sentence
about proteins.

Answers

Deoxyribonucleic acid, or DNA is a self replicating molecule found in the cells most living things; it’s wound around proteins called histones. When the cell wants to make a protein, instructions are copied from the DNA molecule strand and then transcribed to a new molecule, called RNA.

Sorry, that’s 2 sentences, but hopefully that’s helps you out.

The organic materials which are present in all organisms in the form of DNA or RNA are called nucleic acids. It is the basic genetic material of our body.

What is DNA?

The group of molecules which are responsible for carrying and transmitting the hereditary characters or the genetic information from parents to the offsprings is known as Deoxy-ribonucleic acid or DNA.

The DNA is a polynucleotide molecule, the polypeptide chains are further folded in secondary, tertiary and quaternary structures to form different proteins. Every organism contains many genes in its DNA, different types of proteins can be formed.

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1. After clamping a buret to a ring stand, you notice that the set-up is tippy and unstable. What should you do to stabilize the set-up?
A. Move the buret clamp to a ring stand with a larger base.
B. Hold the buret in place by hand during the titration.
C. Use a different size buret that is more stable in the set-up
D. Clamp another buret to the ring stand to balance out the set-up.

Answers

Answer:

A. Move the buret clamp to a ring stand with a larger base.

Explanation:

The ring stands are used to hold burettes, light in weight to avoid loss of stability, that is why it is necessary to change the size of the ring stand so that it can support the buret that we are going to use.  It is not recommended to balance it with the hand since it would give us an inaccurate result in the titration.

In order to stabilize the set-up, one has to move the buret clamp to a ring stand with a larger base.

The ring stand or the retort stand simply means an equipment that is used in supporting other equipment and glassware such as test tubes, flasks and burettes.

In this case, since the the set-up is tippy and unstable, then it's possible that the ring size doesn't fit and one will need to move the buret clamp to a ring stand that has a larger base.

In conclusion, the correct option is A.

Read related link on:

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Which of the following Noble Gases has a mass of 10.0 g?

Answers

Answer:

Option B is correct.

0.119 mole of Kr has a mass of 10.0 g

Explanation:

The complete Question was ontained online, albeit, it was incomplete, even from the online source. But the solution is possible based on the part of the question obtained.

Complete Question

Which of the following Noble Gases has a mass of 10.0 g?

A. 2.02 mol Ne B. 0.119 mol Kr C.

Solution

Number of moles = (Mass)/(Molar Mass)

Mass = (Number of moles) × (Molar mass)

Checking the options, one at a time,

A. 2.02 moles of Neon

Number of moles = 2.02 moles

Molar Mass of Neon = 20.1797 g/mol

Mass = 2.02 × 20.1797 = 40.762994 g ≠ 10.0 g

Not the answer.

B. 0.119 moles of Krypton

Number of moles = 0.119 moles

Molar Mass of Krypton = 83.798 g/mol

Mass = 0.119 × 83.798 = 9.971962 g ≈ 10.0 g

This is definitely the answer.

Hope this Helps!!!

Answer: 0.119 mol Kr

Explanation:

Write a hypothesis:
What is the mole ratio of the cation and the anion in a precipitate?

Answers

Answer:

The mole ratio of the cation and the anion in a precipitate is a simple fraction. ( im sorry if this dosent help a lot.)

Explanation:

What happens when kmno4 is heated

Answers

Answer:

kmno4 is heated => k2mno4 + mno2 + o2

Hope this helps!

:)

A student dissolves 20g of potassium chloride in 100cm³ of water in a beaker. What is the concentration of the solution in g/dm³?

Answers

Answer:

The concentration of the solution is 2 g/dm³

Explanation:

The equation used to find the concentration of a solution is "c = m/v"

C= concentration

M= mass

V= volume

The question asks for the answer to be in decimeters, so you need to 100 cm³ to dm³. To do this, you divide 100 by 10, giving you 10 cm³. Then you just plug in your numbers into the formula: c = 20g/10dm³.

The concentration of the potassium chloride solution has been [tex]\rm 2\;\times\;10^-^3\;g/dm^3[/tex].

The concentration has been defined as the mass of sample present in a definite volume of the solution. The concentration has been given by the moles, molarity, g/ml, g/L etc.

The concentration attained by the student has been by dissolving 20 g of KCl in [tex]\rm 100\;cm^3[/tex] water has been given in [tex]\rm g/cm^3[/tex] as:

[tex]\rm \dfrac{g}{cm^3}=\dfrac{20\;g}{100\;cm^3}\\ \dfrac{g}{cm^3}=0.2\;g/cm^3[/tex]

The concentration of the solution obtained by the student has been [tex]\rm 0.2\;g/cm^3[/tex].

The conversion of [tex]\rm cm^3\;to\;dm^3[/tex] has been given as:

[tex]\rm 1\;g/cm^3=0.001\;g/dm^3[/tex]

The concentration of [tex]\rm 0.2\;g/cm^3[/tex] solution has been given as:

[tex]\rm 1\;g/cm^3=0.001\;g/dm^3\\0.2\;g/cm^3=0.2\;\times\;0.001\;g/dm^3\\0.2\;g/cm^3=2\;\times\;10^-^3\;g/dm^3[/tex]

The concentration of the potassium chloride solution has been [tex]\rm 2\;\times\;10^-^3\;g/dm^3[/tex].

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What is frequency and what unit is it measured in?

Answers

Answer: The rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves), or in an electromagnetic field (as in radio waves and light), usually measured per second. Also it is measured in Hertz.

Explanation:

Answer frequency is the number of occurrences of a repeating event per unit of time. Frequency is measured in Hertz. Unit frequency is measured as the number of wave cycles that occur in one second.

The unit of frequency measurement is hertz

Explanation:

What do half-reactions show?
O
A. They show the oxidatign and reduction halves of a reaction.
B. They show only the electrons that are transferred in a reaction.
C. They show the reactant half and the product half of a reaction.
D. They show the ionic equation and the spectator ions of a reaction.

Answers

Answer: A. They show the oxidation and reduction halves of a reaction.

Explanation:

Oxidation-reduction reaction or redox reaction is defined as the reaction in which oxidation and reduction reactions occur simultaneously.

For a redox reaction: [tex]A+B^+\rightarrow A^++B[/tex]

Oxidation reaction is defined as the reaction in which a substance looses its electrons. The oxidation state of the substance increases.

oxidation half at anode : [tex]A\rightarrow A^++e^-[/tex]

Reduction reaction is defined as the reaction in which a substance gains electrons. The oxidation state of the substance gets reduced.

reduction half at cathode:  [tex]B^++e^-\rightarrow B[/tex]

Half-reactions show the oxidation and reduction halves of a reaction. The correct answer is option A.

Oxidation is a chemical reaction that involves the loss of electrons by a molecule, atom, or ion. This process results in an increase in the oxidation state of the species undergoing oxidation.

Half-reactions are used to show the oxidation and reduction half of the reaction separately, which makes it easier to balance the overall reaction and to identify the species that are being oxidized and reduced.

In a half-reaction, the species that is being oxidized loses electrons and is called the reducing agent, while the species that is being reduced gains electrons and is called the oxidizing agent. By balancing the number of electrons transferred in each half-reaction, it is possible to balance the overall redox reaction.

In conclusion, half-reactions are used to show the oxidation and reduction halves of a redox reaction separately. Option A is the correct answer.

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If 8 moles of FeCl react with 8 moles of O2 what is the limiting reactant?

4FeCl3 + 302—2Fe2O3 + 3Cl2

A) FeCl3
B) 02
C) Fe203
D) Cl2

Answers

Answer:

A) FeCl₃

Explanation:

The only unclear part here is what the product is meant to be.  But, I will put in the limiting reactant for both cases.

4 FeCl₃  +  3 O₂  ⇒  2 Fe₂O₃  +  3 Cl₂

For Fe₂O₃:

Use the stoichiometry from the chemical equation to solve this problem.  

You need 4 moles of FeCl₃ to make 2 moles of Fe₂O₃.

8 × (2/4) = 4 moles

You need 3 moles of O₂ to make 2 moles of Fe₂O₃.

8 × (2/3) = 5.3 moles

Since FeCl₃ made less product, it is the limiting reactant.

For Cl₂:

Do the same as above.

You need 4 moles of FeCl₃ to make 3 moles of Cl₂.

8 × (3/4) = 6 moles

You need 3 moles of O₂ to make 3 moles of Cl₂.

8 × (3/3) = 8 moles

Since FeCl₃ made less product, it is the limiting reactant.

Answer:

A) FeCl₃

Explanation:

Hope this helps

what is the reason that dogs shed

does the temperature of water affect the time it takes a sugar cube to dissolve ​

Answers

Answer:

Dogs naturally lose old or damaged hair by shedding. Although shedding. and yes

What structure in a bacterial cell controls which substances enter and leave the cell?

Answers

Answer:

A cell membrane. A cell structure that controls which substances can enter or leave the cell. (found in all cells) In cells with cell walls, the cell membrane is located just inside the cell wall. In other cells, the cell membrane forms the outside boundary that separates the cell from its environment.

Hope this helps!

How are renewable fuels different from fossil fuels

Answers

Answer:

Renewable energy

Explanation:

on the other hand, typically emits less CO2 than fossil fuels. In fact, renewables like solar and wind power—apart from construction and maintenance—don't emit any CO2 at all. With renewable energy, you can breathe easier, stay cooler, and create a more comfortable world for generations to come.

Answer:

renewable energy comes from natural resources that can be replenished or replaced during an average human lifetime ; eg, Hydro, solar, wind etc.

fossil fuels can take thousands or even millions of years to naturally replenish; eg, natural gas, coal, oil.

Which statements describe prominences? Check all that apply.
Prominences are dark, cool areas on the surface of the Sun.
Prominences are composed of cool, dense gas.
Prominences can disturb radio communications on Earth.
Prominences cycle over an 11-year period.
Prominences are loop shaped.
Prominences appear in groups.

Answers

Answer:

B. Prominences are composed of cool, dense gas.

C. Prominences can disturb radio communications on Earth.

D. Prominences cycle over an 11-year period.

E. Prominences are loop shaped.

Explanation:

Prominence is the release of high energy particles or dense gases in the form of a loop shape from the surface of the sun. It is cooler and flows out into the Sun's hot atmosphere known as corona.

Once formed, prominence can be quiescent in the space for some period of time before it erupt and get ejected. This eruption and ejection can lead to coronal mass ejections which extends over a very long distance.

When compared to the Sun's temperature, prominences are cooler.

Answer:

B C E

Explanation:

Molecules have Question 1 options: A) both potential and kinetic energy. B) neither kinetic nor potential energy. C) only kinetic energy. D) only potential energy.

Answers

Answer:A

Explanation:

Answer: A

Explanation:

How many senses does the human body have?
O A. 3
B. 5

Answers

Answer:

B

Explanation:

sight, hearing, smell, taste and touch

Answer:

Most easiest answer..

There are 5 senses in human body.☺️

What is the law of redox reactions?

Answers

Answer:

. All redox reactions occur with a simultaneous change in the oxidation numbers of some atoms. At least two elements must change their oxidation numbers. When an oxidation number of an atom is increased in the course of a redox reaction, that atom is being oxidized

Explanation:

Give the value of the quantum number ℓ, if one exists, for a hydrogen atom whose orbital angular momentum has a magnitude of 6√(h/2π).

Answers

Answer:

For this angular momentum, no quantum number exist

Explanation:

From the question we are told that

   The magnitude of the angular momentum is  [tex]L = 6\sqrt{\frac{h}{2 \pi} }[/tex]

The generally formula for Orbital angular momentum is mathematically represented as

           [tex]L = \sqrt{(l * (l + 1)) } * \frac{h}{2 \pi}[/tex]

Where [tex]l[/tex] is the quantum number

now  

We can look at the given angular momentum in this form as

      [tex]L = 6\sqrt{\frac{h}{2 \pi} } = \sqrt{36} * \sqrt{\frac{h}{2 \pi}} }[/tex]

comparing this equation to the generally equation for Orbital angular momentum

     We see that there is no quantum number that would satisfy this equation

rank the following in order of the packing of particles (density) from greatest to least:
solid
liquid
gas

Answers

1.Solid
2.Liquid
3.Gas

(Multiple Choice, 30 pts)

A student thinks that halogens are highly reactive because their electrons are weakly attracted to their nuclei. Which is evidence that disputes this student's idea?

A. Halogens react with alkali metals.
B. Halogens cannot react with noble gases.
C. Halogens tend to attract electrons when bonding.
D. Halogens have a full octet of electrons.

Answers

Answer:

c

Explanation:

¨Halogens being non metals have greater electronegativities hence, attract electrons and making the statement disputed. Nobel gases are highly stable; this explains why they are nonreactive. They do not form chemical bonds because they only have a little tendency to either gain or lose an electron; on the other hand, halogens are reactive because they only need one additional electron to complete their octet. ¨

i found that from another users answer for the same question

Answer:

answer c

Explanation:

What do you need to do to get larger sugar crystals? ​

Answers

Let the solution cool down really slowly, don’t disturb it at all.
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a 50 kg aardvark runs with a speed of 6 m/s. what is the kinetic energy of the aardvark Easy 6th grade question please mark Brainliest and give extra points Question The The point (0,1)(0,1) is reflected over the x- axis. What are the coordinates of the resulting point? There are 14math teachers and 26 science teachers at school today. What is the ratio of math teachers to math and science teachers at school? An object becomes positively charged when ita loses electrons.b loses protons.c gains electrons.d gains neutrons. Mia has $9000 in a savings account. The interestrate is 9%, compounded annually. Whichequation can be used to represent thesituation? Which professional would most likely use a diagram for their presentation? Check all that apply. Moral Decision: Do you think Friar Laurence has made a sound, moral decision by setting his "plan" in motion? Why or why not? (You MUST justify your answer!) Morals are ideas about people's behavior, of what is right and what is wrong. 1. It is made up of white and red blood cells and platelets and carries oxygen to organs aroundthe body answer 2. This is developed by the body's defense system to destroy pathogens.Answer:3. Resistance to a particular disease.Answer:4. A wall-like, first line of defense against disease, illness and pathogens.einer5.it trash pathogens and foreign mucus and cilia 6.this is a part of a pathogen that signal the body immune system to respond Factor the expression below.x2 - 49 The typical amount of sleep per night that adults get has a bell-shaped distribution with a mean of 7.5 hours and a standard deviation of 1.3 hours. About 68% of adults typically sleep between a minimum of ___ hours a night and a maximum of ____ hours a night. Please enter your answer in the following format and round to the first decimal place: (min_value, max_value) Who did Washington choose to lead the State Department? The motion of a set of particles moving along the x-axis is governed by the differential equation dx dt = t 3 - x3, where x1t2 denotes the position at time t of the particle. (a) If a particle is located at x = 1 when t = 2, what is its velocity at this time? (b) Show that the acceleration of a particle is What is the answer please ? Please help!Identify whether the graph displays a linear or nonlinear function. Explain why.Graph BOn a coordinate plane, Graph B curves up into quadrant 1.Graph B displays a What is 0.35714285714 as a fraction? What is the slope of the line?________ 9. How does the natural setting contribute to themeaning of the story? PLEASE PLEASE HELP:: The scoop of an excavator holds 26 ft3 of sand. If the capacity of a freight car is 39 tons of sand and we know that 1 ft3 of sand weighs 0.5 tons, how many freight cars can be filled with 120 loads? Consider a system of four gases. The equilibrium concentration of each product is 2.3 M and the equilibrium concentrations of the reactants are equal. The equilibrium is shown here:A + B C + D K = 2.6What is the equilibrium concentration of gas A? Emil is writing about the benefits of the Electoral College when he finds the following editorial written about its drawbacks.Every four years, the United States selects a president through the Electoral College. The Electoral College is an unfair system that reduces voters power in some states and increases voters power in others. On three occasions, the system has resulted in the election of a president who received fewer votes than an opponent. In 2000, George W. Bush lost the popular vote to Al Gore. Bush received about five hundred thousand fewer votes. But he won the presidency because he had the most state electoral votes. The outcome of the 2000 election led to calls to end the Electoral College.What ideas expressed in the editorial will Emil most likely need to address in his essay? SELECT 3 OPTIONSThe Electoral College system has resulted in candidates winning the election even after losing the popular vote.In general, the Electoral College vote and the popular vote support the same candidate.The Electoral College is a system that runs every four years.The Electoral College gives voters in some states more power than voters in others.Some people are in favor of ending the Electoral College.