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SOVA2 [1]
3 years ago
10

Describe the relationship between a hypothesis, a theory, and a natural law.

Chemistry
1 answer:
adell [148]3 years ago
8 0
Hypothesis, theory and natural laws are related in a number of ways, the connections are as follows:
1. A THEORY is a human attempt at describing a NATURAL LAW.
2. THEORIES usually begin as HYPOTHESIS.
3. NATURAL LAWS are discovered through experiments and HYPOTHESIS is a major part of every scientific experiments. 
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Why is there a vast amount of salt water on Earth?
Diano4ka-milaya [45]
Water is an excellent solvent, salt is carried by the water due to erosion and carried to the ocean.
3 0
3 years ago
1.
Serhud [2]

Explanation:

Given that,

The frequency of electromagnetic spectrum is 2.73\times 10^{16}\ Hz

(A) Let the wavelength of this radiation is \lambda. We know that,

c=f\lambda\\\\\lambda=\dfrac{c}{f}\\\\\lambda=\dfrac{3\times 10^8}{2.73\times 10^{16}}\\\\\lambda=1.09\times 10^{-8}\ m

So, the wavelength of this radiation is 1.09\times 10^{-8}\ m.

(B) Let E is the energy associated with this radiation. Energy of an electromagnetic radiation is given by :

E=hf

h is Planck's constant

E=6.63\times 10^{-34}\times 2.73\times 10^{16}\\\\E=1.8\times 10^{-17}\ J

1 kcal = 4184 J

It means,

1.8\times 10^{-17}\ J=\dfrac{1}{4184}\times 1.8\times 10^{-17}\\\\=4.3\times 10^{-21}\ \text{kcal}

Hence, this is the required solution.

3 0
4 years ago
This type of chemist understands the structure of living systems and, in turn, their
julia-pushkina [17]

A Biochemist is a type of chemist understands the structure of living systems and, in turn, their functions and ways to control them.

<h3>What is the chemistry of living systems called?</h3>

The chemistry of living system is known as Biochemistry.

Biochemistry is a study of the chemical changes that occur in living organisms.

Scientists that study biochemistry are called Biochemists.

Biochemistry studies the structure and function of biological molecules such as carbohydrates, lipids, proteins, e.t.c., as well the chemical reaction they undergo.

Biochemistry also studies the energy changes that occur in living systems.

In conclusion, the chemistry of living systems is called Biochemistry.

Learn more about biochemistry at: brainly.com/question/12273783

#SPJ1

3 0
2 years ago
4. Identify each substance in the following word equation as a reactant or a product
dolphi86 [110]

Explanation:

4.                 limestone heat lime + carbon dioxide

The reactants in this expression above is limestone

The products of the reaction is carbon dioxide and lime

Reactant is the species that gives the product and it is usually found on the left hand side of the expression.

The product is the substance on the right hand side of the expression that forms through the experiment.

Heat is used to facilitate the reaction.

5. An exothermic reaction is a reaction in which heat is given off.

An endothermic reaction is a reaction in which heat is absorbed in the process.

An exothermic reaction is always warmer after the reaction whereas an endothermic reaction is colder at the end of the reaction.

6.  Sodium salicylate is made from carbon dioxide and sodium phenoxide.

The reactants are:

                  Carbon dioxide and sodium phenoxide

The product is:

         Sodium salicylate

8 0
3 years ago
Which of these solutes raises the boiling point of water the most?
Vlad [161]
I think the answer would be Ionic sodium phosphate (Na3PO4) because it has the greatest boiling point elevation.
7 0
3 years ago
Read 2 more answers
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