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Calorimetry Pre Lab Questions - AcademicChemistry

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Posljednje ažuriranje over 1 year ago
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Pre-Lab/Virtual Lab for Calorimetry

Purpose
Online Lab
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Pre-Lab Questions
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Read through the lab carefully. Answer the following questions based on what you read.

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Pitanje 1
1.

Step 2: Record the mass of the empty cup. Answer to the nearest 0.1 g.

Pitanje 2
2.

Step 3: Record the mass of the cup and water. Answer to the nearest 0.1 g.

Pitanje 3
3.

Calculate the mass of the water.

Pitanje 4
4.

Step 4: Record the mass of the object. Answer to the nearest 0.1 g.

Pitanje 5
5.

Step 9: What is the starting temperature in the cup? Answer to the nearest 0.1 degree.

Pitanje 6
6.

Step 9: What is the highest temperature in the cup? Answer to the nearest 0.1 degree.

Pitanje 7
7.

Step 10: Calculate the heat gained by the water. Round your answer to the nearest whole number.

Pitanje 8
8.

Step 10: Calculate the specific heat of your unknown. Round your answer to 2 after the decimal point.

Pitanje 9
9.

If 200. grams of water is to be heated from 24.0°C to 100.0°C to make a cup of tea, how much heat must be added? The specific heat of water is 4.18 J/g∙°C. Round your answer to the nearest whole number. Do NOT include units in your answer.

Pitanje 10
10.

A block of aluminum weighing 140. g is cooled from 98.4°C to 62.2°C with the release of 1080 joules of heat. From this data, calculate the specific heat of aluminum. Round your answer to two after the decimal. Do NOT include units in your answer.

Pitanje 11
11.

What protective equipment should you wear during the lab? Select all that apply.

Pitanje 12
12.

Match the equipment

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

Styrofoam

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Graduated Cylinder

100 mL

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Beaker

Hot

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Cup

Crucible

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Plate

400 mL

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Tongs

Pitanje 13
13.

The thermometer should be placed so that it is resting on the bottom of the styrofoam cup.

Pitanje 14
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Pitanje 15
15.

In what step are you asked to have your teacher initial your paper?