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3 years ago

Which is a proper description of chemical equilibrium?

Chemistry

1 answer:

serg [7]3 years ago

3 0

D) because both reactions are occurring at the same rate. They are not equal but their concentrations are constant.

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tino4ka555 [31]

Do you relizes how many activities lead to global warming? When gas is burned in a car, it produces carbon dioxide (a green house gas). The carbon dioxide then floats up towards the atmosphere and becomes part of the atmosphere. This then causes the heat from the sun to get trapped, bouncing from the atmosphere to the earth. The sun will never stop producing heat which will only lead to the world getting hotter as each decade goes by.

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3 years ago

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The fuel used in many disposable lighters is liquid butane, C4H10. Butane has a molecular weight of 58.1 grams in one mole. How

maks197457 [2]

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3 years ago

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NEED HELP ASAP! Newton's Law of Gravity says that any the effect of gravity between two objects depends on what two factors?

kari74 [83]

Answer:

C. Distance and mass.

Explanation:

Objects that have greater mass have more force of gravity between them.

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3 years ago

What mass of cu(s)cu(s) is electroplated by running 14. 5 aa of current through a cu2 (aq)cu2 (aq) solution for 4. 00 hh?

galina1969 [7]

The mass of Copper electroplated is 68.76 g

<h3>What is electroplating?</h3>

The process of plating a metal onto another is known as electroplating.

It is often used to prevent corrosion of metal or for the decorative purposes

In this process, electric current is passed through an aqueous solution containing dissolved cations.

The dissolved cations are reduced developing a thin metal coating on the electrode.

At cathode,

$Cu^{2+}(aq) + 2e^-\rightarrow Cu(s)$

Current, I = 14.5 A

Time, t = 4 hrs = 4×60×60 = 14400 sec

Charge, q = It = 14.5×14400= 208800 C

Copper metal deposited by 2×96487 C = 63.55 g

Copper metal deposited by 208800 C = $\frac{63.55 \times208800}{2\times96487}$

= 68.76g

Hence, The mass of Copper electroplated is 68.76 g

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1 year ago

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vlabodo [156]

Answer:

1. Delete lion, bison, reindeer, and giraffe

2. Delete cactus, oak, evergreen,

Explanation:

1. Lions live in the African savanna, bison live in open fields with lots of grass, reindeer live in Antarctica and other very cold places, and giraffes also live in the areas of the African savanna where there are trees.

2. Cacti live in the desert, oaks and evergreens live in open grassy areas.

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3 years ago

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