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Sophie [7]
3 years ago
14

Which equation is balanced?

Chemistry
1 answer:
Evgen [1.6K]3 years ago
8 0

Answer:

A I think

Explanation:

im not sure so do with that what you will

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A student requires 2.00 L of 0.100 M NH4NO3 from a 1.75 M NH4NO3 stock solution. What is the correct way to get the solution?
defon

To solve this we use the equation,

 

M1V1 = M2V2

 

where M1 is the concentration of the stock solution, V1 is the volume of the stock solution, M2 is the concentration of the new solution and V2 is its volume.

 

1.75 M x V1 = 0.100 M x 2.0 L

V1 = -.11 L


7 0
3 years ago
Read 2 more answers
Which word equation shows hydrogen reacting with oxygen to form water?
LenaWriter [7]

Answer:

O2+H2 → H2O

become→zero to−2

∵ it will be reduced and oxidation state of H

2

becomes zero to +1 it will be oxidised.

∴ reaction will be redox

Explanation:

please mark me as brainalist

5 0
2 years ago
Give the nuclear symbol for the isotope of phosphorus for which a=31? enter the nuclear symbol for the isotope (e.g., 42he).
Bogdan [553]
A = number of mass = 31 => number of protons + number of neutrons = 31

Phosphours, Z = atomic number = 15 = number of protons

Symbol of the element phosphorus = P

=> The symbol of the isotope is the symbol of the element, P, with the number of mass, 31, to the left, as a superscript, and the atomic number, 15, to the left, as a suscript.
8 0
3 years ago
How can environmental pollution occur when using cosmetics that contain environmental pollution?
Eduardwww [97]

Answer:

When cosmetics companies use chemicals to make their products, they could dump their waste into rivers and oceans, causing water pollution to occur. The wildlife that lives in these habitats will probably die from them, causing some species to die out and become extinct.

Explanation:

Also, greenhouse gases could be released into the atmosphere, which would cause global warming.

6 0
3 years ago
What events caused the formation of most islands in the South Pacific?
Svetach [21]
The answer is D. Because most islands have dormant volcanoes
4 0
3 years ago
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