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Masteriza [31]
2 years ago
14

Directions Now that the lab is complete, it is time to write your lab report. The purpose of this guide is to help you write a c

lear and concise report that summarizes the lab you have just completed. The lab report is composed of three sections: Section I: Experimental Overview o Provide background information. o Include the hypothesis. o Summarize the procedure. Section II: Data and Analysis o Include graphs to display trends in the data. o Identify trends in the data. Section III: Conclusions o Identify if the hypothesis was supported or refuted. o Provide logical reasoning based on data. o Explain how the experiment could be improved. To help you write your lab report, you will first answer the eight questions listed below based on the experiment that you have just completed. Then you will use the answers to these questions to write the lab report that you will turn in to your teacher. You can upload your completed report with the upload tool in formats such as OpenOffice.org, Microsoft Word, or PDF. Alternatively, your teacher may ask you to turn in a paper copy of your report or use a web-based writing tool. Questions Section I: Experimental Overview 1. What is the purpose of the lab? 2. What is your hypothesis for this experiment? 3. What methods are you using to test this hypothesis? Outline the steps of the procedure in full sentences. Section II: Data and Analysis 4. What graphs would clearly represent the trends in your data? Your Student Guide includes information on which graphs to construct. Each graph should have the following items: a. An appropriate title b. Appropriate labels for each axis c. An appropriate scale for each axis d. The correct units for the data Complete a rough sketch of each graph. 5. What do the data in your graphs tell you? Explain in one or two sentences what trend is shown in each of your graphs. Section III: Conclusions 6. What do the data tell you about your hypothesis
Lab:Absorption and Radiation by Land and Water
Chemistry
1 answer:
Elza [17]2 years ago
6 0

Answer:

foot

Explanation:

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Can someone help me with these questions?
Gennadij [26K]

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9) Substitution Reaction

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Explanation:

9) Substitution Reaction: Substitution reaction is a chemical reaction in which one atom, ion or species replaced by another atom, ion or species

10) Covalent Bond: Covalent bond is a bond that formed between two nonmetals, when both the species are non metal, the electronegativity of both the nonmetals are comparatively same, hence any of both do not pulls completely electron of other & the bond is formed by the sharing of electron.

11) Ionic Bond: We know that nonmetals have high electronegativity than those of metals, due to high electronegativity non metals pulls the electrons of metals but there is enough interaction that non metal do not escape after pulling the electron, & an ionic bond generates where non metals possess negative charge & positive charge goes to metal.

12) Covalent Bond: The bond formed between two atoms having less electronegativity diffrence by sharing of electron pair is know as covalent bond. for e.g the Carbon - Hydrogen bond in methane (CH4) molecule is covalent bonded because the electronegativity of carbon is 2.5 & that of hydrogen is 2.1 which is almost close, hence the bond formed is covalent.

13) Ionic Bond: The bond formed between two atoms having high electronegativity diffrence & the bond formed is due to complete transfer of electron by one species. For e.g. NaCl the sodium is a metal having electronegativity 0.9 and chlorine is non metal having electronegativity 3.0 the electronegativity diffrence is too high, hence the chlorine behaves as Cl- ion that of sodium as Na+, both the components behaves as ion but they are bonded &that bond is called as Ionic bond.

14) 9 Atoms: One molecule of water (H2O) posses three atoms, two hydrogen atoms & one oxygen atom, the number of atoms in 3 molecules of water 3×3 = 9 atoms.

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What experimental evidence did Thomson have for each statement?
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<span>Thomson studied electric discharge in a vacuum and found that the deflection of rays was evidence of atoms containing much smaller particles. He calculated that these particles would have a large charge in relation to their mass. While he did not name electrons, he knew they existed.</span>
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Sugar is considered an organic compound,
Because it is made up a long chain of carbon atoms.
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