what is the oxidation number of the noble gases such as xenon and argon?

Answers

Answer 1
Oxidation number for Xenon is XeOF2 and Argon is 0.

Related Questions

These the flow of electrons (the current) and where some of the electrons' energy gets converted into heat. (Lessons 5.01-5.03) electric currents Insulators Resistors Conductors​

Answers

Answer: The answer is resistors

Explanation: I just took the unit test and it was correct

what is the kinetic energy of a 1 kilogram ball thrown into the air with an initial velocity of 30 m/s

Answers

Explanation:

KE = 1/2 MV ^2

KE = 1/2 * 1 * 30 ^2

KE= 1/2 * 1 * 900

KE = 450 kg m^2/ s^2

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Answer:

the above pic will help

I have done it in word

I hope it helps mate

mark me brainliest plsss

I will always help you understanding your assingments

have a great day

#Captainpower:)

a car travels 200km in 3.0 hours. Determine the average velocity of the car

Answers

Answer:

66.67 km/hr

Explanation:

The average velocity of the car can be found by using the formula

[tex]a = \frac{d}{t } \\ [/tex]

d is the distance

t is the time taken

From the question we have

[tex]a = \frac{200}{3} \\ = 66.66666...[/tex]

We have the final answer as

66.67 km/hr

Hope this helps you

What is the weight of the body under the influence of a force of 10N reaches a speed of 1.5 m / s in 3s?

Answers

Answer:

Explanation:

F=ma

F=10N

A=v-u upon t

=1.5-0 upon 3

=0.5m per second squared

Then do force divided by. Accelaration and multiply by gravity.

Which of the following situations has more kinetic energy than potential energy?

a rock at the edge of a cliff


an archer’s bow that is drawn back


a rolling bowling ball


a car waiting at a red light

Answers

Answer:

C. a rolling bowling ball

I just answered this question on my quiz.  

Write two forms of mechanical energy

Answers

kinetic gravitational

This image shows flashlight beams reflecting off a mirror from
different angles. Based on the angles of reflection, choose all pairs of
light rays that correctly match incoming light beams with their
reflected light beams,



Question 2. Based on the image and the angles of reflection shown witch statement is true.

A) When a light ray strikes a mirror, it randomly scattered.

B) light is absorbed by mirrors and reflected directly upwards.

C) light travels in a straight line until lit strikes an object

D) light is reflected back to its source when it strikes an object

Answers

Hey I'm working on this test right now, did you ever get the answers?

A 20 kg mass is hanging on one side of a pulley and a 5 kg mass is hanging on the other. Determine the acceleration of each mass.

Answers

Answer:

i believe it's 7

Explanation:

HEELLLLLPPPPPPPPPPPP MEEEEEEEEEE!!!!!!!!!!!!

Which statement best describes the thermosphere?

The thermosphere sits directly below the troposphere.

Lighter gases such as nitrogen and oxygen rise to the top of the thermosphere.

Heavier gases such as hydrogen and helium stay at the bottom of the thermosphere.

The atmosphere is so thin that gas molecules rarely contact each other.

Answers

Answer:

I think the second one

Explanation:

its the only one that makes since tell me if I'm wrong

Answer:

the answer is "The atmosphere is so thin that gas molecules rarely contact each other."

Explanation: just took the semester test  

12. How many grams of beryllium are needed to produce 36.0 g of hydrogen? (Assume an excess of water.)
Be(s) + 2H, O() → Be(OH)2 (aq) +H,(g)
a
4.00 g
b. 36.0 g
c. 162 g
d 324 g

Answers

Answer:

Answer is: 162 g of beryllium.

Chemical reaction: Be + 2H₂O → Be(OH)₂ + H₂.

m(H₂) = 36,0 g.

m(Be) = ?

n(H₂) = m(H₂) ÷ M(H₂)

n(H₂) = 36,0 g ÷ 2 g/mol = 18 mol.

from reaction: n(Be) : n(H₂) = 1 : 1.

n(Be) = n(H₂) = 18 mol.

m(Be) = n(Be) · M(Be).

n(Be) = 18 mol · 9 g/mol = 162 g.

Answer:

Answer is: 162 g of beryllium.

Chemical reaction: Be + 2H₂O → Be(OH)₂ + H₂.

m(H₂) = 36,0 g.

m(Be) = ?

n(H₂) = m(H₂) ÷ M(H₂)

n(H₂) = 36,0 g ÷ 2 g/mol = 18 mol.

from reaction: n(Be) : n(H₂) = 1 : 1.

n(Be) = n(H₂) = 18 mol.

m(Be) = n(Be) · M(Be).

n(Be) = 18 mol · 9 g/mol = 162 g.

Question 1 of 25
A bookcase has a mass of 37 kg. What is the weight of the bookcase?

Help please

Answers

answers

81.6 pounds rounded or just 81.571 if it needs to be exact

66.13 pounds rounded

Why doesn’t the force you exert when sitting on a chair cause the chair to move?

a. The floor exerts a balancing force on the chair.
b. The floor exerts too much force on the chair
c. The floor exerts an unbalancing force on the chair.
d. The floor exerts no force on the chair.

Answers

Answer:

the answer is A

Explanation:

To balance the forces on the box what direction must you push?

1- Right
2- Left
3- Down
4- Up

Answers

The correct answer would be left

A 35kg cannonball sits at rest on a flat level surface. What is the normal force exerted on the cannon ball. Use -9.8 m/s2 for acceleration due to gravity.

A. -343N

B. 44.8N

C. 25.2N

D. 343N

Answers

Answer:

a) N = 343 [N]

Explanation:

We must remember Newton's third law, which tells us that the force acting on a body is equal to the normal reaction force of equal magnitude but acting in the opposite direction.

[tex]N=m*g[/tex]

where:

m = mass = 35 [kg]

g = gravity acceleration = 9.81 [m/s²]

[tex]N = 35*9.8\\N= 343 [N][/tex]

The surface of the Earth changes from processe such as erosion. Which of these changes to Earth's surface is an example of erosion? A. an active volcano starting to erupt B. a rock turning a red color from oxygen C. a waterfall breaking the rocks below it D. the wind picking up dust and carrying it

Answers

Answer:

D. the wind picking up dust and carrying it

Explanation:

Erosion is a process in which an agent transfer the top soil to another region, thereby exposing the lower soil. These agents have the ability to move the top layer of soil and deposit it at another place. The major agents in this case are; a running or flowing body of water and wind.

Therefore, the change to the Earth's surface that is an example of erosion is the wind picking up dust and carrying it. Thereby exposing the lower layers.

I’ll give BRAINLIEST to the person that answer this questions (and if they right) :
People who are REACTIVE are like _____ , and PROACTIVE people are like ____.
A. A bottle of water and a bottle of soda
B.A bottle of soda and a bottle of water
C.None of the above
D.All of the above

PROACTIVE people make their choices based on ____.
A.Reasoning
B.Anger
C.Feelings
D.what others say

What is the opposite of being REACTIVE?
A.Being proactive
B.Being inactive
C.Being semi-active
D.All of above

Habit 1:Be proactive means:
A.thinking everyone can win
B.Take responsibility for your own life
C.Become a professional athlete
D.Doing something right away

Answers

It’s c for the first one hope this help

1: C

2: C

3: A

4: B

there you go

What is the density of an object with a mass of 20 grams and a volume of 5 cm?

Answers

Answer:

4

Explanation:

Divide mass(m) by volume(v), you get density(D)

m/v=D

20/5=4

What is the force of gravity between two objects that are 4.0 m apart? The mass of the first object is 0.25 kg and the mass of the second object is 0.65 kg

Answers

Answer:

6.77 x 10^-13 Newtons

Explanation:

using the formula [tex]F= \frac{GMm}{r^2}[/tex]

where G is the gravitation constant which is 6.673 x 10^-11 N m2/kg2

M = mass of the first object which is 0.25 kg

m = mass of the second object which is 0.65 kg

and r is the distance between the objects which is 4 metres

Plugging our values in:

[tex]F\:=\:\left(6.673x10^{-11}\right)\frac{\left(0.25\right)\left(0.65\right)}{4^2}[/tex]

F = 6.77 x 10^-13 N

Why doesn't the skateboarder roll as high each time she goes up the ramp

Answers

Answer:

The skater has mechanical/gravitational potential energy at the two meter mark. The skater gets to two meters high on the other end of the ramp. In terms of the conservation of energy, the skater will never go higher than two meter on the other end of the the ramp because energy can be neither created nor destroyed.

Explanation:

I hoping it is right!!!∪∧∪     ∪ω∪

Answer:

the reason it wont go higher is because some of the energy converts into thermal energy

Explanation:

I'm the energy master

How do ions help your brain?

Answers

Generally speaking, negative ions increase the flow of oxygen to the brain resulting in higher alertness, decreased drowsiness, and more mental energy.
So, when talking about ions it’s very important to understand everything around..you consume everything you breathe in. It can effect you in many ways!!! Ok starting off, negative ions can help with more alert and stamina. These traits include longer and higher alertness, the decreasing of drowsiness when doing activities, and more mental energy!

When a person strikes and lights a match, potential energy in the match is transformed into which types of energy?

electrical and thermal
thermal and radiant
radiant and nuclear
nuclear and kinetic
hurry brainliest ill give 49 points

Answers

Answer:

Radiant and thermal

Explanation:

Electrical and thermal don't make sense because you are not using electricity to light the match. Radiant and nuclear is not right because you are not using nuclear energy to light the match. Nuclear and kinetic isn't right because you are using kinetic and you are not using nuclear energy.

Answer:

answer is B. thermal and radiant

Explanation:

just got it right on edge

A supply plane drops a package to the ground for stranded campers below. After falling for 8.14 seconds, the package will have a downward velocity of 80.79 m/s. How high was the plane when it dropped the package?

Answers

Answer:

333 m

Explanation:

The following data were obtained from the question:

Initial velocity (u) = 0 m/s.

Time (t) = 8.14 s.

Final velocity (v) = 80.79 m/s.

Acceleration due to gravity (g) = 9.8 m/s²

Height (h) =?

v² = u² + 2gh

80.79² = 0 + (2 × 9.8 × h)

6527.0241 = 0 + 19.6h

6527.0241 = 19.6h

Divide both side by 19.6

h = 6527.0241 / 19.6

h = 333 m

Thus, the plane was at a height of 333 m when the package was dropped.

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Answers

Answer: D) Earthquake

I hope this helps, and Happy Holidays! :)

Answer:  Earthquakes

Explanation: Earthquakes impact rupture breaks in the ground, landslides, avalanches, fires, tsunamis, property damage, and loss of life.

Keith has been using a software application for a year on his home computer. A new version of the application was recently released. Keith’s license has a term of two years and entitles Keith to upgrade his application to a new version within the term. What type of license does the application have?

Answers

Answer:

d license with maintenance .

Explanation:

just took this test. :)

What are all stars made of

Answers

Stars are huge celestial bodies made mostly of hydrogen and helium that produce light and heat from the churning nuclear forges inside their cores. Aside from our sun, the dots of light we see in the sky are all light-years from Earth. They are the building blocks of galaxies, of which there are billions in the universe. It’s impossible to know how many stars exist, but astronomers estimate that in our Milky Way galaxy alone, there are about 300 billion.

PLEASEEEEE HELLLLLPPPPPPP

Answers

Answer:

A or B(the answers)

Explanation:

they seem like the most right

Answer:

I'm pretty sure it's b

Explanation:

Which two forces act over very small distances

Answers

Explanation:

There are three fundamental forces that act at a distance. They are gravitational, electromagnetic and nuclear forces.

hope it helps!

A pulse with a height of 20 cm and a length of 30 cm travels with a speed of 400 cm/s through a spring that has been stretched so it is 800 cm long. If we want to send another pulse through the spring that will have a different speed, which of the bolded words should we change? List all that will change the speed of the wave.

Answers

Answer:

To send a pulse of different speed, change the tension or stretch on the spring

Explanation:

A pulse is a single disturbance of a particle is a medium. The pulse has an amplitude or and a pulse length in the medium. The speed of the pulse is dependent on the amount of strain or tension ( stretch) applied to the medium. The speed also determines the length of the pulse but is unaffected by the or amplitude of the pulse.  

2. An 873 kg dragster accelerates at a rate of 44.6 m/s during a race.
a. What is the magnitude of the net force exerted on the dragster during this time?
Known (Given):
=
Unknown:
Fnet =
Equation:
Fret=ma (or m*a)
Solution:

Answers

Answer:

38,673.9N

Explanation:

According to newton's second law:

Force = mass * acceleration

Given

Mass = 873kg

acceleration = 44.66m/s²

Magnitude of the force is expressed as;

F = ma

F = 873 * 44.6

F = 38,673.9N

Hence the magnitude of the net force exerted on the dragster during this time is 38,673.9N

Find the displacement of the object moving at v= -2 m/s for t=5s

Answers

Answer:

d = - 10 [m]

Explanation:

We must remember that speed is defined as the relationship between the displacement in a given time. In this way, we can propose the following equation.

[tex]v = d/t[/tex]

where:

v = velocity = 2 [m/s]

d = displacement [m]

t = time = 5 [s]

Now replacing:

[tex]d=-5*2\\d=-10[m][/tex]

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Use this map to answer the question:Which statement describes the Mauryan Empire? aIt extended north to the Hindu Kush, west of the Ganges River, south almost to the tip of the Indian subcontinent, and east along the Bay of Bengal. bIt extended north to the Hindu Kush, west of the Indus River, south almost to the tip of the Indian subcontinent, and east along the Arabian Sea. cIt extended north to the Brahmaputra River, west of the Ganges River, south almost to the tip of the Indian subcontinent, and east along the Indian Ocean. dIt extended north to the Hindu Kush, west of the Indus River, south almost to the tip of the Indian subcontinent, and east along the Bay of Bengal. HURRY 100 POINTS! (This semester weve spent quite a bit of time thinking about and discussing how and why narrative writing can play an integral part of our own lives. Discuss what you believe to be the most significant ways the narrative form can be useful and/or beneficial. ) FINAL EXAM! help me please!I don't understand this:( HELPPPP NOWWWW!!!!!A music teacher asked 23 students in the band how many hours they practiced playing theirinstrument each week. The results are shown in the dot plot. Which statement best describesthe data?The data are skewed left, so most students' practice times areless than the mean practice time.Time Spent PracticingThe data are skewed left, so most students' practice times aremore than the mean practice time...1 1.5 2 2.5 3 3.5 4 4.5 5HoursThe data are skewed right, so most students' practice times aremore than the mean practice time.The data are skewed right, so most students' practice times areless than the mean practice time. how many bonds can nitrogen have do this correctly for 20 points and brainliest! Please help I need help plzzzzz!! PLEASE I HAVE A DAY ILL GIVE U BRAINLIEST AND GIVE A FREE QUESTION it's your turn to investigate the human impacts around the world grab your virtual lab coat and put your environmental science that you'll be taking a trip around the globe to explore 3 I ate your location you want investigate the cause and effect relationship of deforestation to server caitian organization you will also gather evidence of how these factors have impacted the environment over time (In this lab you will explore the impact that humans have on earth pleaseeeeeeee it mwan so much if you do What is the volume of a sphere with a diameter of 4 meters? (Use 3.14 for .) 18.84 m 3 100.48 m 3 33.49 m 3 25.12 m 3 What is written on the scrolls aboveA. Do no evil, perform every good B. hear no evil, see no evil C. Do no evil, do goodD. Perform no evil, do every good 34% of 65. Do not round!!! pls help The mitochondria is known as the powerhouse of the cell." Why?* glucose is broken down into cellular energy (ATP). lipids release energy as they form polypeptide bonds. glucose is created through the process of photosynthesis.proteins create energy as they are converted from sugars. The periodic table is an arrangment of the chemical elements, ordered by atomic number, into families, and by doing so illustrates the periodic properties of the elements. If we review the elements found in the second column of the periodic table, the alkali earth metals, we know one characteristic common to all elements in this family, besides being metals, is that they are Could u all check this if am correct before i turn it in. This is an excerpt from a law passed in 1883. First, for open, competitive examinations for testing the fitness of applicants for the public servicesuch examinations shall be practical in their character, and so far as shall relate to those matters which will fairly test the relative capacity and fitness of the person examined to discharge the duties of the service into which they seek to be appointed. What is the name of this law? Dawes Severalty Act Dawes Severalty Act Pendleton Act Pendleton Act Pure Food and Drug Act Pure Food and Drug Act Sherman Antitrust Act Sherman Antitrust Act Humanists believed that scholars shouldstudy only classical texts.O focus on religious pursuits.O study a variety of subjects.play musical instruments. Select all the common nouns Ravens are a familiar sight from the Arctic Ocean to the meditation sea What is desertification, and what causes it?FREE AWNSERS!!! WITH PROOF!! What is the y-intercept of the quadratic functionf(x)= (- 8)(x +3)? Which of the following scenarios is representative of how agricultural practices can attect the environmentA) Increased oxygen levels in a pond due to fertilizer rundtB) sediment accumsation in a decly cater near a farmC) soil compaction caused by tllageD) Increased plant groenh caused by the application of herbicidesEl Improved quality of life due to abundance of food for the populationPlease select the best ansver from the chaices provided