Given: F₂ (G) + 2 E ^- ?2 F ^-

question 89

Multiple Choice

Given:
F₂ (g) + 2 e ^- ?2 F ^- E ° = +2.87 V Cr₂O ₇^{2 -} (aq) + 14 H⁺ (aq) + 6 e ^- ?2 Cr³⁺ (aq) + 7 H₂O E ° = 1.33 V Li⁺ (aq) + 1 e ^- (aq) ?Li (s) E ° = - 3.05 V What is the proper arrangement for the order of increasing strength as an oxidizing agent ?
F₂ (g) , Cr₂O₇^{2 -} (aq) and Li⁺ (aq)

• A) (weakest oxidizing agent) F 2 (g) - (aq) < Li + (aq) (strongest)
• B) (weakest oxidizing agent) Cr 2 O 7 2 - (aq) < F 2 (g) < Li + (aq) (strongest)
• C) (weakest oxidizing agent) Cr 2 O 7 2 - (aq) < Li + (aq) < F 2 (g) (strongest)
• D) (weakest oxidizing agent) Li + (aq) - (aq) (strongest)
• E) (weakest oxidizing agent) Li + (aq) - (aq) < F 2 (g) (strongest)

Recognize the importance of proper communication and timing for effective banking instructions, including stop-payment orders and check processing.

Understand the basic concepts and terminology related to weld symbols and their placement.

Identify and interpret the symbols for different types of welds.

Understand how to specify weld dimensions and other details according to standard welding symbols.

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Definitions:

Operators

Symbols in programming that perform operations on operands, such as mathematical operations, logical operations, or assignment operations.

Floating-point Expression

A type of expression in programming that allows for the representation of real numbers with fractional parts, using a format that can store a wide range of values.

Double-precision

A format for representing floating-point numbers that uses double the amount of storage compared to single-precision, allowing for increased precision.