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19 Nov 2018

65. How many molecules are in each sample? a. 6.5 g H20 b. 389 g CBr4 c. 22.1 g 02 d. 19.3 g C3H10

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Related questions


1)Consider the decomposition of hydrogen peroxide into liquidwater and oxygen gas:

2 H202 (AQ) -> 2H20 (L) + 02 (G)

A) HOW MANY OF EACH OF THE PRODUCT MOLECULES WILL BE FORMED FROMTHE REACTION OF TWO DOZEN MOLECULES OF H202? 4 DOZEN?

B) HOW MANY OF THE PRODUCT MOLECULES WILL BE FORMED FROM THEREACTION OF 2 MILLION MOLECULES OF H202? 4 MILLION?

C) HOW MANY OF EACH OF THE PRODUCT MOLECULES WILL BE FORMED FROMTHE REACTION OF 2 MOLES OF H202? 4 MOLES? 15 MOLES?

D) WHAT IS THE RELATIONSHIP AMONG YOUR ANSWERS TO THE QUESTIONSABOVE? EXPLAIN WHY THIS RELATIONSHIP EXISTS.

2) BALANCE THE EQUATION C3H80 (L) + 02 (G) --> CO2 (G) + H20(G)

A) HOW MANY MOLES OF C3H80 WILL REACT WITH 2.500 MOLES OF OXYGENGAS?

BALANCE THE EQUATION FE (S) + 02 (G) --> FE203 (S)

A) HOW MANY MOLES OF IRON WILL REACT WITH 8.40 MOLES OF OXYGENGAS?

Without actually drawing the Lewis structure, determine how many valence electrons are available for covalent bonding in each of the following molecules.

A. CBr4

B. SF2

C. PH3

D. OF2

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