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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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What is the frequency of a wave with a wavelength of 6.40x10^4 meters?
yKpoI14uk [10]

Answer:

frequency = 0.47×10⁴ Hz

Explanation:

Given data:

Wavelength of wave = 6.4× 10⁴ m

Frequency of wave = ?

Solution:

Formula:

Speed of wave = wavelength × frequency

Speed of wave = 3 × 10⁸ m/s

Now we will put the values in formula.

3 × 10⁸ m/s = 6.4× 10⁴ m × frequency

frequency = 3 × 10⁸ m/s / 6.4× 10⁴ m

frequency = 0.47×10⁴ /s

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How many grams are in 3.14 x 1015 molecules of CO?
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Answer:

Explanation:

Not Many

1 mol of CO has a mass of

C = 12

O = 16

1 mol = 28 grams.

1 mol of molecules = 6.02 * 10^23

x mol of molecules = 3.14 * 10^15        Cross multiply

6.02*10^23 x = 1 * 3.14 * 10^15             Divide by 6.02*10^23

x = 3.14*10^15 / 6.02*10^23

x = 0.000000005 mols

x = 5*10^-9

1 mol of CO has a mass of 28

5*10^-9 mol of CO has a mass of x                        Cross Multiply

x = 5 * 10^-9 * 28

x = 1.46 * 10^-7 grams

Answer: there are 1.46 * 10-7 grams of CO if only 3.14 * 10^15 molecules are in the sample

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What was The US Army trying to slove about lake Lenore in 1947
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Answer:

1947 the United States Army had an excess of metallic sodium left over from World War II and determined that the alkaline waters of Lake Lenore would be a good spot to dump and neutralize the acidic element, which reacts with water with intense explosions.

Explanation:

there ya go

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The alkline earth metals include?
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Answer:

The Popular ones are five in number

Explanation:

Calcium

Silicon

Germanium

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Lead

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