1. 27 JJ to calories Express your answer using two significant figures. 2. 5300 JJ to kilojoules Express your answer using two significant figures. 3. 374 kJkJ to joules Express your answer using three significant figures.

1. 27 JJ to calories Express your answer using two significant figures. 2. 5300 JJ to kilojoules Express your answer using two significant figures. 3. 374 kJkJ to joules Express your answer using three significant figures.

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter1: Basic Concepts Of Chemistry

Section: Chapter Questions

Problem 20RPS

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Concept explainers

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.

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1. 27 JJ to calories

Express your answer using two significant figures.

2. 5300 JJ to kilojoules

Express your answer using two significant figures.

3. 374 kJkJ to joules

Express your answer using three significant figures.

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