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goldenfox [79]
3 years ago
13

I need some help!!! Asap

Chemistry
1 answer:
miss Akunina [59]3 years ago
8 0

Answer:

Al2O3 + 6HCl --> 2AlCl3 + 3H2O

Explanation:

Al: 2

O: 3

H: 6

Cl: 6

Balanced on both sides.

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If a cross-country runner covers a distance of 347 meters in 134 seconds what is her speed?
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Distance s=347 meters
time t=134 sec.
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Some of the most dangerous conditions occur when temperatures are hovering around _______ degrees fahrenheit, or freezing, when
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Answer:

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Explanation:

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Which is a heterogeneous mixture a jar of nuts
pogonyaev

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a party mix:-) it would be a jar of cashews, peanuts, almonds, ettc.

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Able 1 Cell Type Operating Cell Potential for Commercial Batteries, E (V) Lithium-iodine Zinc-mercury +2.80 +1.35 Table 2 Standa
IrinaK [193]

Answer:

During the initial cell operation, each reaction is thermodynamically favorable, but the larger operating potential of the lithium-iodine cell indicates that its cell reaction is more thermodynamically favorable.  ( B )

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Explanation:

<u>The major Differences between The Zinc mercury cell and Lithium-iodine cell are :</u>

During the initial cell operation, each reaction is thermodynamically favorable, but the larger operating potential of the lithium-iodine cell indicates that its cell reaction is more thermodynamically favorable.   and

During the initial cell operation, the oxidation of iodine is thermodynamically favorable but the oxidation of mercury is not.

Given the relationship below,

Δ G = -nFE

E = emf of cell ,  G = free energy.

This relationship shows that if E is positive the reaction will be thermodynamically favorable also if E is large it will increase the negativity of free energy  also From the question we can see that with the reduction of mercury the value of E is more positive and this shows that Mercury is thermodynamically unfavorable

8 0
2 years ago
The tiny particles that make up elements are called atoms.<br> True<br> False
raketka [301]
True.
where the atom is the smallest (tiny) particle of an element, the atom may be neutral or ionized, and its size is around 100 picometers. The atom composed of a nucleus and one or more electrons (negative charge) bound to the nucleus, the nucleus contains protons (positive charge) and neutrons. 
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3 years ago
Read 2 more answers
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