CHEM 2: E-Learning (1/28/2019)

CHEM 2: E-Learning (1/28/2019)

11th - 12th Grade

10 Qs

quiz-placeholder

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CHEM 2: E-Learning (1/28/2019)

CHEM 2: E-Learning (1/28/2019)

Assessment

Quiz

Chemistry

11th - 12th Grade

Easy

Created by

Stephen Ternet

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A material is cooled from 100ºC to 40ºC.

What is the temperature change?

60ºC

40ºC

-60ºC

-40ºC

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The specific heat of a metal is 0.21 J/g°C.


Calculate the heat when a 10 g piece of this metal is taken out of the oven and cools from 100°C to 50°C?

105 J

10.5 J

-105 J

-10.5 J

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In an exothermic process, the surroundings are are gaining energy.

True

False

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

In an endothermic reaction the system is releasing energy.

True
False

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A sample of iron receives 50.0 J of heat energy that raises the temperature of the iron 25.0°C.


If iron has a specific heat of 0.100 J/g°C, what is the mass of the iron sample?

25.0 g

30.0 g

20.0 g

50.0 g

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

372 J of heat is applied to a 1200 g steel pan with a specific heat of 0.23 J/goC.


How much does the temperature increase?

11,000 oC

1.6 oC

1.3 oC

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Convert 6 cal into joules

1.43 J

6000 J

25.1 J

0.006 J

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