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Alex Ar [27]
4 years ago
8

Sort The following iron compound by whether the cation is iron(II) or iron(III)

Chemistry
1 answer:
lora16 [44]4 years ago
5 0

Answer:

Left, Left, Right, Left, Right, Right

Explanation:

Follow that order!

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How is the AHfusion used to calculate the energy required to vaporize a
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Hope u do well :) ik this maybe hard but you’ll get through it , the answer is D !
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3 years ago
Identify the independent /manipulated variable
fiasKO [112]

Answer:

independent- test variable

manipulated - outcome variable; if needed, there could be changes.

Explanation:

knowledge

7 0
3 years ago
How many independent variables can you have in an experiment for it to be valid?
Lemur [1.5K]

Answer:

There are often not more than one or two independent variables tested in an experiment.

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3 years ago
Hope me with all this slide :( TYSMMM
White raven [17]

Answer:

exemples of elements with 1 valence electron: Hydrogen, lithium, potassium.

exemples of elements with 2 valence electrons: magnessium, calcium.

boron has 3 valence electrons. Phosphorus has 5 valence electrons.

carbon has 4 valence electrons.

exemples of elements with 5 valence electrons: Phosphorus, nitrogen

exemples of elements with 7 valence electrons: fluorine, chlorine

exemples of elements with 8 valence electrons: helium, argon

Explanation:

the easiest way to know the number of electrons are by the number of the group so 14 is 4, 16 is 6.

7 0
4 years ago
The reaction between carbon tetrachloride, CCl4, and water, H2O, to form carbon dioxide, CO2, and hydrogen chloride, HCl, has a
xxTIMURxx [149]

Answer:

High activation energy is the reason behind unsuccessful reaction.

Explanation:

There are two types of reaction: (1) thermodynamically controlled reaction and (2) kinetically controlled reaction.

Thermodynamically controlled reaction are associated with change in enthalpy during reaction. More negative the enthalpy change, more favored will be the reaction.

Kinetically controlled reaction are associated with activation energy of a reaction. The lower the activation energy value, the more rapid will be the reaction.

Here, reaction between CCl_{4} and H_{2}O is thermodynamically favored due to negative enthalpy change but the high activation energy does not allow the reaction to take place by simple mixing.

6 0
3 years ago
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