To calculate the density of the metal when the solid metallic object is dropped into a graduated cylinder that contains 25.00 mL of water. The volume increases to 37.25 mL. The mass of the object is 96 grams. Use the definition of density as mass/volume. Concept introduction: The significant figures are also known as the significant digits. It is the uncertainty associate with the measurement by rounding the results. Moreover the significant figures are defined in a number of the digits with certainty and first uncertain digit. The measurement is a characteristic number to the object or event that can be compared with other object. The scope of the measurement depends upon the context and event. Measurement is commonly used as the international system of unit as a comparison framework. The system defines seven fundamental units like kilogram, meter, candela, ampere, kelvin and mole. The metric system is a decimal system of the measurement based on the units for the length, meter, the mass, the kilogram. It exists in the several forms with different choices of the basic units. The metric system indicates the single basic unit for the number of physical quantities. Other quantities are derived from the SI units.

Question

Draw orbitals for a and c and identify all of the molecules/functional groups' electron geometry, molecular shape and bond angles: a. H₂O b. Ketone c. Alkyne d. Ether

Answer 1

Question

Chapter 3, Problem 19PE

Interpretation Introduction

Interpretation:

To calculate the density of the metal when the solid metallic object is dropped into a graduated cylinder that contains 25.00 mL of water. The volume increases to 37.25 mL. The mass of the object is 96 grams. Use the definition of density as mass/volume.

Concept introduction:

The significant figures are also known as the significant digits. It is the uncertainty associate with the measurement by rounding the results. Moreover the significant figures are defined in a number of the digits with certainty and first uncertain digit. The measurement is a characteristic number to the object or event that can be compared with other object. The scope of the measurement depends upon the context and event. Measurement is commonly used as the international system of unit as a comparison framework. The system defines seven fundamental units like kilogram, meter, candela, ampere, kelvin and mole. The metric system is a decimal system of the measurement based on the units for the length, meter, the mass, the kilogram. It exists in the several forms with different choices of the basic units. The metric system indicates the single basic unit for the number of physical quantities. Other quantities are derived from the SI units.

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