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Dafna11 [192]
2 years ago
7

Which of the following is an acid-base neutralization reaction?

Chemistry
1 answer:
algol132 years ago
3 0

Answer:

D

Explanation:

The reaction in which an acid reacts with a base to form salt and water is called acid base reaction.

here, HCL ( strong acid) reacts with KOH (strong base) and KCL (salt) and H2O (water) is formed.

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Which describes the dissolving process? (Choose all that Apply)
stich3 [128]

Answer:

A and D

Explanation:

I took the test, and choose both B and C and got it wrong

4 0
2 years ago
These celestial bodies are thought to originate from two different sources. Some are called long-period and originate from the O
Alexus [3.1K]
It’s c I believe because it says 209 years to complete an orbit so hint yourself ?.....
6 0
2 years ago
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Select all
Schach [20]

Answer: The correct option is option d

Explanation - The mean deal with science is that it allows people to carry on research in an organized manner to find or make new discoveries and inventions.  

The basic purpose of science is to try new things or ways to get an outcome by constant perseverance on research and negating the ways that don't work thus giving and improving knowledge of what is correct and what is not to make a new Discovery or invention.  

7 0
2 years ago
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Describe a method to calculate the average atomic mass of the sample in the previous question using only the atomic masses of li
alexira [117]

Answer:

Explanation:

To calculate their average atomic masses which is otherwise known as the relative atomic mass, we simply multiply the given abundances of the atoms and the given atomic masses.

The abundace is the proportion or percentage or fraction by which each of the isotopes of an element occurs in nature.

This can be expressed below:

        RAM = Σmₙαₙ

where mₙ is the mass of isotope n

           αₙ is the abundance of isotope n

for this problem:

RAM of Li = m₆α₆ + m₇α₇

       m₆ is mass of isotope Li-6

        α₆ is the abundance of isotope Li-6

       m₇ is mass of isotope Li-7

        α₇ is the abundance of isotope Li-7

3 0
3 years ago
For questions #8 – 9 use the following pictures:
Annette [7]
8. The picture that would best represent atoms in the gas of a neon sign is the image B. This is because they have room for movement in that their distance between each particle is great. That is why gases has greater volume compared to liquids and solids.

<span>9. The picture that would best represent a rock is the image C. The solid molecules are so pact that they have no room for movement.</span>
6 0
3 years ago
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