2. Perform the indicated operations and give answers in the indicated unit and with the proper number of significant figures. (a) 113.137g-2.047 g 50.0 mL-37.40 mL (in g/mL) (b) 25.50 g + 462 mg + 0.0100 kg (in g) (c) 0.900 mm * 0.8750 cm * 0.0031489 m (in cm³)

2. Perform the indicated operations and give answers in the indicated unit and with the proper number of significant figures. (a) 113.137g-2.047 g 50.0 mL-37.40 mL (in g/mL) (b) 25.50 g + 462 mg + 0.0100 kg (in g) (c) 0.900 mm * 0.8750 cm * 0.0031489 m (in cm³)

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

ChapterB: Si Units, Unit Conversions, And Physics For General Chemistry

Section: Chapter Questions

Problem 7P

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Concept explainers

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.

Question

2. Perform the indicated operations and give answers in the indicated unit and with the proper number of significant
figures.
(a)
113.137g-2.047 g
50.0 mL-37.40 mL
(in g/mL)
(b) 25.50 g +462 mg + 0.0100 kg (in g)
(c) 0.900 mm * 0.8750 cm * 0.0031489 m (in cm³)

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