What are the types of yield symbols in chemical equations?

Answer 1
There are two basic types of yield symbols used in writing chemical equations. The most common yield symbol is an arrow that is placed after the reactant or reactants and points in the direction of the products as in the following example: A + B #rarr# AB. This indicates that the reaction goes from the reactants to the products. Sometimes a reaction can occur in both directions (it is reversible), in which case the yield symbol will point in both directions, such as CD #rightleftharpoons# C + D.
Sometimes symbols or words can be included with an arrow, such as the symbol #Delta#, which means heat, and the symbol or name of a catalyst, such as Ni for nickel.

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Answer 2

Chemical equations use two different types of yield symbols: 1. A single arrow (→) for irreversible reactions and a double arrow (↔) for reversible reactions.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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