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Katyanochek1 [597]
3 years ago
12

To what temperature must

Chemistry
1 answer:
KatRina [158]3 years ago
8 0

Answer:

586 C degrees

Explanation:

because of gas laws. Thanks hope this helps please vote it up!

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Use the standard reduction potentials located in the Tables' linked above to calculate the equilibrium constant for the reaction
Nadya [2.5K]

Answer:

3.1 * 10^-14

Explanation:

Note that E°cell = 0.0592/n log K

We can obtain E°cell from the standard reduction potentials of cadmium and hydrogen

Anode reaction

H2(g) ----> 2H+ + 2e

Cathode reaction

Cd^2+(aq) + 2e -----> Cd(s)

E°cell = E°cathode - E°anode

E°cathode = –0.40 V

E°anode = 0 V

E°cell =  –0.40 V - 0 V

E°cell = –0.40 V

E°cell = 0.0592/n log K

Where n=2 electrons transferred

–0.40 = 0.0592/2 log K

–0.40 = 0.0296 log K

log K = –0.40/0.0296

log K = -13.5135

K = Antilog ( -13.5135)

K = 3.1 * 10^-14

4 0
3 years ago
Why is carbon considered tetravalent?
Rudik [331]
Because it has 4 electrons in outermost shell.
5 0
3 years ago
There are ____ main groups in the modern periodic table of elements
antoniya [11.8K]

There are 18 numbered groups in the periodic table, and the f-block columns (between groups 3 and 4) are not numbered. The elements in a group have similar physical or chemical characteristics of the outermost electron shells of their atoms (i.e., the same core charge), as most chemical properties are dominated by the orbital location of the outermost electron. There are three systems of group numbering. The modern numbering group 1 to group 18 is recommended by the International Union of Pure and Applied Chemistry (IUPAC). It replaces two older naming schemes that were mutually confusing. Also, groups may be identified by their topmost element or have a specific name. For example, group 16 is variously described as the oxygen group and as the chalcogens.

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3 years ago
Sodium metal and water react to form hydrogen and sodium hydroxide. If 1.99 g of sodium react with water to form 0.087 g of hydr
zavuch27 [327]

Answer:

1.56 g of water was involved in the reaction

Explanation:

From the stoichiometric equation

2Na + 2H2O = 2NaOH + H2

NB : Mm Na= 23, Mm H2O = ( 2+16)= 18

2(23) of Na requires 2(18) of water

Hence 1.99g of Na will require 1.99×2×18/2(23) of water = 1.56 g of water

7 0
3 years ago
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which type of weather technology often carries cameras that can make images of Earth's surface clouds and snow cover?
elixir [45]
...a satellite!!!! that is one and maybe only answer
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3 years ago
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