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Montano1993 [528]
3 years ago
15

What are some facts about gold​

Chemistry
2 answers:
shepuryov [24]3 years ago
8 0

Answer: some facts about gold are that they are very hard to find and they are really rare.

Explanation:

Harlamova29_29 [7]3 years ago
8 0

Answer:

Gold is a chemical element. ...

Compared to other metals, gold is less chemically reactive.

Gold is a good conductor of electricity and heat.

Gold is shiny, soft and dense. ...

Gold is malleable enough for just 1 gram to be hammered into a sheet 1 square meter in size.

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A 2.5 L flask is filled with 0.25 atm SO3, 0.20 atm SO2, and 0.40 atm O2, and allowed to reach equilibrium. Assume at the temper
Anit [1.1K]

Explanation:

Reaction equation for the given chemical reaction is as follows.

      2SO_{3} \rightleftharpoons 2SO_{2} + O_{2}

Equation for reaction quotient is as follows.

         Q = \frac{P^{2}_{SO_{2}} \times P_{O_{2}}}{P^{2}_{SO_{3}}}

             = \frac{(0.20)^{2} \times 0.40}{(0.25)^{2}}

             = 0.256

As, Q > K (= 0.12)

The effect on the partial pressure of SO_{3} as equilibrium is achieved by using Q, is as follows.

  • This means that there are too much products.
  • Equilibrium will shift to the left towards reactants.
  • More SO_{3} is formed.
  • Partial pressure of SO_{3} increases.
4 0
3 years ago
PLEASE HURRY AND TELL ME THE ANWERS
lesantik [10]

Answer:

Explanation:

3 0
3 years ago
When 5.0 mol Al react with 13 mol HCl, what is the limiting reactant, and how many moles of AlCl3 can be formed? (2 points) 2Al
barxatty [35]

Well, we need to find the ratio of Al to the other reactant.

Al:HCl = 1:3

--> this means that for every 1 Al used, you have to use 3 HCl.


5*3 = 15 moles of HCl needed to fully react with 5 moles of Al. Since 13<15, HCL is the limiting reactant.


The ratio of HCl:AlCl = 3:1


13/3 = 4.3333...


The final answer is HCl is the limiting reactant with 4.3 moles of AlCl3 able to be produced so choice B.


Hope this helps!!! :)


5 0
4 years ago
Convert 4.0 cm to mm.
BabaBlast [244]

Answer: 40mm

Explanation:

You would multiply 4.0 by 10.

5 0
3 years ago
Briefly explain how will you describe which object is moving fast and which one is moving slow?
user100 [1]
The object that shows fast motion is said to have a higher speed while the one with slow motion is said to have a slow speed.
Hope that helps it was on googIe
3 0
3 years ago
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