unit 8 Thermochem

unit 8 Thermochem

Assessment

Passage

Chemistry

11th Grade

Hard

Created by

Chelsea Zizzi

Used 7+ times

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit conversion between calories and joules?

1 cal = 4.18 J

1 cal = 3.14 J

1 cal = 4.00 J

1 cal = 4.50 J

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an endothermic reaction, where is heat written in the chemical equation?

On the left side of the arrow

On the right side of the arrow

Above the arrow

Below the arrow

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following factors does NOT increase the reaction rate?

Decreasing temperature

Mixing

Increasing surface area

Increasing concentration

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the specific heat capacity of iron in the given example?

0.15 cal/g°C

1.00 cal/g°C

0.50 cal/g°C

0.25 cal/g°C

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which phase change represents the transition from solid to gas?

Sublimation

Melting

Condensation

Freezing

6.

OPEN ENDED QUESTION

3 mins • 1 pt

What are 2 factors that increase reaction rate?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

In your own words, describe the math behind calculating the energy change of a chemical reaction? What are the steps?

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