Chemistry High School

Na + O2 → Na2O2
Can you guys help me !

Na + O2 Na2O2Can You Guys Help Me !

Answers

Answer 1

Answer:

Explanation:

Assuming that you are asking for the full-balanced equations...

2Na + O2 = Na2O2

H2 + O2 = H2O2; This equation is already balanced, there is no need for change.  

Please let me know if this is not the answer you are looking for and I will amend the answer.

Related Questions

If a molecular formula is C8H12O2 , what is the empirical
formula?
a
C4H30
b C4H60
C С2H3o
C2H30
d C8H1202

Answers

C! I hope this helps you :)

If I add a proton to an atom, which of the following will change? (select all that apply) a)the type of element b)The mass of the atom c)The charge of the atom d)The number of neutrons)

Answers

The type of element will change and the mass of the atom will change; A and B

pleaseeeeeeeeeeeeeeeeeeeeeeee helppppppppppp


Approximately how many grams of KBr will dissolve in 100g of water at 50C?


60g

70g

80g

90g

Answers

Answer:

the answer would be to your problem here is 90g

Explanation:


What is the formula for nickel || dichromate

Answers

Answer: Cr2NiO7 is the molecular formula for nickel II dichromate.

How do the atomic number and the mass number of an element
change after beta decay?
A. Atomic number stays the
same; mass number
increases by 1.
C. Atomic number increases by
1; mass number stays the
same.
B. Atomic number stays the
same; mass number
decreases by 1.
D. Atomic number decreases by
1; mass number stays the
same.

Answers

Answer:

A.

Explanation:

I think it’s D but I’m not sure.. Please help!

Answers

Answer:   I think it’s D?

Explanation:

Answer:

D.

Explanation:

Weathering, erosion and deposition are processes that can wear a mountain down.

Type the correct answer in the box. Spell all words correctly.

What is this process called?

*blank* involves subjecting the evidence and the reference or standard to the same tests. This process determines if two or more
objects share a common origin.

Answers

Comparison is the answer!

Two people are playing tug of war. One person pulls to the right with 32 N of force. The other person pulls to the left with 37 N of force. How strong is the net force and in which direction?

Answers

Answer:

The net force is 5 N and to the left.

Explanation:

37 N - 32 N = 5 N and since there is a stronger pull from the rope moves towards the left so the direction of motion is left.

What would the world be like without elements? please​

Answers

Answer:

It would be nothing. Quite literally nothing. No Oxygen, no dirt, no anything.

Explanation:

Answer:

Nothing

Explanation:

Everything we have in our world is made up of elements. Without them, we would have nothing.

CAN y’all please help me ASAP with these questions :)

Answers

Answer:

1. Force

2. contact force

3. non-contact force

4. magnetism

5. strength and direction

6. length, direction

7. newtons

Explanation:

You're welcome <3

Can someone help me with number 3 thanks

Answers

Answer:

Difficult Question but I would say no

Explanation:

I say no because the whole premise of a chemical reaction is the reaction to new bonds and bond losses happening due to the introduction of a new substance. If the substance hasn't changed at all, it wouldn't be a chemical reaction because their would be nothing reacting.

Which of the following has the smallest atomic radius?
a B
b Al
c F
d N
e Ga

Answers

Answer:

c. F

Explanation:

As you go top to bottom down a column of the periodic table, atomic radius increases.

As you go left to right across a period of the periodic table, atomic radius decreases.

Knowing this trend, that means that the smallest atomic radius would be located in the top right of the periodic table. The closest element to that point is fluorine, or answer C.

I NEED HELP FAST PLEASE
*please answer correctly*

Will mark brainliest thank you!!

Answers

Answer:

Explanation:

Using Charles Law ,

[tex]\frac{V1}{T1}=\frac{V2}{T2}[/tex]

Using this formula we have ,

V1= 200cm^3

T1=40+273.15 = 313.15 K

T2 = 100+273.15 = 373.15 k

V2= ?

Hence using above formula simplify it we will get ,

V2 = 238.3 cm^3

Answer:

i dont know that plzzz help me tooooo

Cuales son las Desventajas de la radioactividad en la industria?Ayudarme porfa no encuentro nada importante

Answers

Answer:

Ver explicacion

Explanation:

Una desventaja del uso de la industria de la energía nuclear es la posible exposición de los trabajadores a una dosis letal de radiación.

Este tipo de exposición es muy perjudicial para las personas.

En segundo lugar, el hecho de que la fuente de energía nuclear esté siempre encendida significa que debe ser atendida regularmente por personal competente.

Organisms that are made up of prokaryotic cells are NOT ____________.


Question 4 options:


Bacteria



Simpler than organisms made up of Eukaryotic celled organisms



All of these are true about prokaryotic cells



Multicellular

Answers

Answer:

Multicellular

they are single celled

please help i will mark brainlist

Answers

Answer:

V= 21 cubic cm (( I am not sure about density ))

Explanation:

V= L×W×H

Select some particular plant or animal and find out how it has been improved because of the study of genetics. The following examples are given, but you may select some other topic if you like. Be sure that you have the topic and the method (written or oral) of reporting approved before you do your research. If you choose an oral report, it should be at least 3 minutes in length. If you choose a written report it should be at least 500 words in length.

Answers

Answer:

Try going onto essaytyper.com

describe a difference in our inner planets and outer planets​

Answers

The four inner planets have slower orbits , slower spins,no rings and they are made out of rock and metal. The four outer planets are made out of hydrogen and helium, they are called gas giants

______ meters = 177 millimeters

Answers

Answer:

117 millimeters = 0.117 meters

Explanation:

This is using unit conversions. There are 1000 millimeters in 1 meter, so you would divide your starting value, 117 millimeters by 1000 millimeters. The units will cancel because they are being divided by themselves and you are left with 0.117 meters.

What is the primary difference between two different isotopes?

Answers

Answer:

Because different isotopes have different numbers of neutrons, they do not all weigh the same or have the same mass. Different isotopes of the same element have the same atomic number. They have the same number of protons. The atomic number is decided by the number of protons.

Hope this helps!!!!

Explanation:

Urgent please help!!!

Describe what you think is your responsibility in taking care of the natural
world in which you live.

Answers

Answer:

Well I would say " I think my responsibility is recycling, gardening, picking up litter, and using less pollution. All of this stuff is very important. Sometimes, it's the tiny things that change the world for the better."  

I hope this helped! Feel free to add your own little tweaks.

What is specific gravity in minerals?

Answers

Specific gravity is the "heaviness" of a mineral. It is defined as a number that expresses the ratio between the weight of a mineral and the weight of an equal volume of water.

Answer:

The ratio of it's mass of an equal volume of water.

Explanation:

Please help!! I'll name you brainliest!!

Answers

Answer:

lost is the answer to this question but if I am wrong I am so sorry for that

(blank) are the fastest form of radiation?

Answers

Answer: Gamma particles

Answer:

Gamma rays, are the fastest.

Explanation:

They literally move at the speed of light, I hope this helps you.

You write an invisible message on paper with lemon juice - when you heat the paper, the writing turns brown. Chemical or physical change​

Answers

Answer: Chemical Change.

Explanation: Lemon juice has properties that, when heated, turn the paper brown. In the invisible ink science experiment, that is why it is used. In lemon juice, the acid prevents peeled fruit from browning, like apples and pears. The lemon juice has a bitter taste and is acidic.

What is the chemical formula for Tetraphosphorous Pentachloride ?

Answers

Answer:

CH4

Explanation:

b. MgF2
Name the compound

Answers

Answer:

Magnesium Difluoride

Explanation:

Mg = magnesium

F = fluoride

F2 = difluoride (prefix "di" indicates 2)

If a person weighs 125 pounds, 8 oz, how many mg do they weigh?

Answers

Answer:

ok so you would just weigh 125 because 16 oz is 1 pound

Explanation:

If a section of DNA has 15% thymine, how much adenine will it have?
1. 15%
2. 30%
3. 60%
4.85%
​

Answers

Answer:

15% adenine

Explanation:

Thymine and adenine are a nitrogenous base pair so they would equal the same.

30% I think, although I am not quite sure

Match the number of neutrons to the correct isotope by studying the atomic number and mass number of each isotope. Drag the items on the left to the correct location on the right.

Answers

these are the correct answers

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