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andrew-mc [135]

3 years ago

9

The following properties are either physical or chemical. Which one is different from the rest based on those two category? A.)

Density B.) Appearance C.) Color D.) Reactivity

2 answers:

Oduvanchick [21]3 years ago

5 0

Answer:

A.)physical B.)physical C.)physical D.)chemical

Zigmanuir [339]3 years ago

4 0

Answer:

a,b,and c are physical and d is chemical

Explanation:

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Grams of cl in 38g of cf3cl

Lerok [7]

Answer:

114 grams

Explanation:

3chlorines per compound*38grams=114

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A gas under an initial pressure of 0.60 atm is compressed at constant temperature from 27 L to 3.0 L. The final pressure becomes

IRINA_888 [86]

Answer: 5.4

Explanation:

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sweet-ann [11.9K]

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What substance is reduced in the reaction 2Fe 2+ + CI2 = 2Fe 3+ + 2CI- ?

atroni [7]

Answer:

$Cl_{2}$ is reduced in the reaction

Explanation:

The given reaction is

$2Fe^{2+}+Cl_{2} \to 2Fe^{3+}+2Cl^{-}$

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$Fe^{2+} \to Fe^{3+}+e^{-}$

And The oxidation number of $Cl$ is changed from $0\, \to \, -1$

$Cl_{2}^{0} + 2e^{-} \to 2Cl^{-}$

Hence, $Fe^{2+}$ is oxidized and $Cl_{2}$ is reduced

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3 years ago

Consider the burning of gasoline and the evaporation of gasoline. which process represents a chemical change and which represent

mart [117]

Burning gas is a chemical change and evaporation of gas is physical change.

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3 years ago