Polyethylene Is a Polymer Consisting of Only Carbon and Hydrogen

question 71

Multiple Choice

Polyethylene is a polymer consisting of only carbon and hydrogen.If 2.300 g of the polymer is burned in oxygen it produces 2.955 g H₂O and 7.217 g CO₂.What is the empirical formula of polyethylene?

• A) CH
• B) CH₂
• C) C₂H₃
• D) C₅H₈
• E) C₇H₈

Analyze the design and purpose of surveys, experiments, and correlational studies including the interpretation of correlation coefficients.

Grasp the significance of sample selection and the impact of non-random samples on research findings.

Recognize the procedure and implications of stimulus sampling in experimental design.

Understand the relationship between variables as represented by correlation coefficients and their implications.

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Definitions:

Link Master Fields

In database applications, it relates to the action of creating relationships between master (primary) and detail (secondary) fields to synchronize data.

Option Buttons

Interactive elements within a graphical user interface that allow users to make one selection from a set of predetermined options.

Option Group

A graphical control element allowing the user to choose only one of a predefined set of mutually exclusive options.

Grouping Controls

Elements in user interfaces that allow for the organization and management of multiple controls or items as a single unit.