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4 years ago

how do the properties of sodium chloride compare with the properties of its component elements, sodium

1 answer:

3 0

Sodium chloride is a nonreactive solid at room temperature, and is commonly known as table salt. The two elements that make up sodium chloride are sodium and chlorine. Sodium is a very reactive metal that tastes bad. Pure sodium is explosive when it comes in contact with water. Hope this helps

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The sum of gravitational potential energy and kinetic

Firlakuza [10]

Answer:

Explanation:

Mechanical energy = Gravitational potential energy + kinetic energy

Time Gravitational potential energy kinetic energy Total ME

0 4 0 4

2 2 2 4

4 0 4 4

6 2 2 4

8 4 0 4

and so on .....

We see that total mechanical energy is always 4 which is constant .

So gravitational and kinetic energy changes cyclically but total mechanical energy is constant .

7 0

3 years ago

Determine the value of the equilibrium constant, Kgoal, for the reaction C(s)+12O2(g)+H2(g)⇌12CH3OH(g)+12CO(g), Kgoal=? by makin

Licemer1 [7]

Answer:

1.71x10²⁷

Explanation:

If we sum 1/2 of (3) + 1/2 of (1):

1/2 (3.) C(s) + 1/2O₂(g) ⇌ CO(g), K₃ = √2.10×10⁴⁷ = 4.58x10²³

1/2 (1) 1/2CO₂(g) + 3/2H₂(g) ⇌ 1/2CH₃OH(g) + 1/2H₂O(g), K₁ = √1.40×10² = 11.8

C(s) + 1/2O₂(g) + 1/2CO₂(g) + 3/2H₂(g) ⇌ 1/2CH₃OH(g) + 1/2H₂O(g) + CO(g)

K' = 4.58x10²³ * 11.8 = 5.42x10²⁴

+1/2 (2):

1/2 CO(g) + 1/2H₂O(g) ⇌ 1/2CO₂(g) + 1/2H₂ (g), K = √1.00×10⁵ = 316.2

C(s) + 1/2O₂(g) + H₂(g) ⇌ 1/2 CHO₃H(g) + 1/2CO(g)

K'' = 5.42x10²⁴* 316.2 =

5 0

4 years ago

Question 2 of 15

guapka [62]

Answer:

B. The products are nuclei of elements that are different from the original elements.

6 0

2 years ago

Is freshwater a mixture?

dem82 [27]

Answer:

Explanation:

A mixture is when two or more substances combine physically together. However, in water, two hydrogen atoms combine with one oxygen atom chemically, forming a new substance that has properties different from hydrogen alone or oxygen alone. ... Therefore, water is not a mixture

7 0

3 years ago

Needs to be answered ASAP What group of protists does Euglena belong to? Why?

Korvikt [17]

Euglena belongs to the Kingdom Protista. It is a genus of single-celled flagellates. Euglena are the best known organisms in the Euglenophyta Phylum.Euglena belongs to the Kingdom Protista. It is a genus of single-celled flagellates. Euglena are the best known organisms in the Euglenophyta Phylum.

8 0

3 years ago