What is the purpose of the written conclusion in an experiment?

Answers

Answer 1

Answer:

Answer:

Explanation:

The conclusion is the summary of the post experimental analysis. This involves the comparison of the results of the experiment with the theory and associated background literature related to the research or experimentation topic.

The purpose of the conclusion is to make a brief account of the findings of the research or experimentation process.

Answer 2

Answer: it answers the original question that led to the hypothesis

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A.) Thermal Decomposition of 2.765 g NaHCO3 yields 1.234g of a solid Na2CO3 . Calculate the theoreticial yield and percent yield of Na2CO3.B) Thermal decomposition of 2.968 g of a mixture containing NaHCO3 lost 0.453 g . Calculate the percentage of NaHCO3 in this unknown mixture
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A rigid framework of many ions locked together in a repeating pattern is called a(n)

Answers

A crystal is rigid framework of many ions locked together in a repeating pattern.A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

Given the reaction: S(s)+ O2(g)- SO2(g)+ energy which diagram best represents the potential energy changes for this reaction

Answers

Its graph 1 I just took the test :)

In an exothermic energy diagram, the reactants side is higher in energy than the product side.

What is an exothermic reaction?

An exothermic reaction is one in which the heat of the reactants is greater than that of the products. In that case, energy is given off in the reaction as heat and the reaction vessel is warmer.

Now, in an exothermic energy diagram, the reactants side is higher in energy than the product side.

Learn more about exothermic reaction:brainly.com/question/12786977

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2PES
What is the correctly rounded answer of thee following calculation:
23.7 / 4.9 =?
0 4.8
04
5
0 4.84
O 4.83

Answers

5 hope this helps I’m pretty sure it should be right

When group 2A element from ion they A. lose two proton
B. gain two proton
C. lose two electron
D. gain two electron

Answers

Well, knowing that group 2A elements are metals, and metals lose electrons to gain a full electron shell, we can eliminate B and D. Knowing that these are 2 electrons, that the group 2A element provides to another atom, to form an ion.

The solution is C. Lose 2 electrons.

Which of the following is represented in the highest percentage by volume in dry air?A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Hydrogen

Answers

Answer is: C. nitrogen.

Together, nitrogen (N₂) and oxygen (O₂) by volume account for 99.03% volume of the gases composing the dry air in the lower atmosphere.

Volume of nitrogen in air is 78.08%.

Volume of oxygen in air is 20.95%.

Together: 78.08% + 20.95% = 99.03%.

This gases can be separated by fractional distillation of liquefied air.

During the operation of a voltaic cell, the cell produces1) electrical energy spontaneously
2) chemical energy spontaneously
3) electrical energy nonspontaneously
4) chemical energy nonspontaneously

I need some help with this one ?

Answers

The answer is 1) electrical energy spontaneously

A voltaic cell is an electrochemical cell driven by a spontaneous chemical reaction and produces an electrical energy. The general form of reaction is
reagents → products + electrical energy.
This reaction is spontaneous.

However, the reverse reaction is nonspontaneous and it requires electrical energy.

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The type of bond between atoms of potassium and chloride in a crystal of potassium chloride a. hydrogen bond b. ionic bond c. polar covalent bond d. pure covalent bond e. metallic bond

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Balance this chemical equation pleaseee

The step that usually comes last in solving numeric problems is to ___