Calorimetry Pre Lab Questions - AcademicChemistry

Last updated about 1 year ago

15 questions

Note from the author:

Purpose

Online Lab

Pre-Lab Questions

Calorimetry Pre Lab Questions - AcademicChemistry

Last updated about 1 year ago

15 questions

Note from the author:

Pre-Lab/Virtual Lab for Calorimetry

Purpose

Online Lab

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

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

Calculate the mass of the water.

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

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

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

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

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

Pre-Lab Questions

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.

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.

Read through the lab carefully. Answer the following questions based on what you read. 

Match the equipment

Draggable item		Corresponding Item
Hot		Graduated Cylinder
Styrofoam

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

Fill in the missing words from the bold text in step 7:
Do _______ touch the hot metal with your _______ ! Do _______ allow the _______ to come in direct contact with the _______ sample. 

Draggable item		Corresponding Item
Hot		Graduated Cylinder
Styrofoam		Beaker
400 mL		Cup
100 mL		Plate
Crucible		Tongs

Calorimetry Pre Lab Questions - AcademicChemistry

Calorimetry Pre Lab Questions - AcademicChemistry

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

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

Calculate the mass of the water.

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

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

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

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

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

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.

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.

Match the equipment

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

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

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

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

Calculate the mass of the water.

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

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

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

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

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

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.

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.

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

Match the equipment

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

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