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stiv31 [10]
3 years ago
8

Get me the answers please

Chemistry
2 answers:
melomori [17]3 years ago
7 0

Answer:

a. opinion

Explanation:

shutvik [7]3 years ago
3 0

Answer:

a is a opinon answer

Explanation:

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The density of a cube is 2.0gcm3. If the mass is 128 g, what is the length of each side of the cube?
kozerog [31]

Density = Mass / Volume

Volume = Mass/Density

Volume = 2/128

Volume = 1/64

so side will be 4 cm

5 0
3 years ago
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Which star has the highest surface temperature
Mashcka [7]

Answer:

The blue star is the hottest star.

Explanation:

Red stars are cooler than the sun, with surface temperatures of 3,500 K for a bright red star and 2,500 K for a dark red star. The hottest stars are blue, with their surface temperatures falling anywhere between 10,000 K and 50,000 K

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3 years ago
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What is the amplitude of the wave above? *
erica [24]
The correct answer is 15
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3 years ago
If 34.5 g of Copper reacts with 70.2 g of silver nitrate, according to the following
Vlada [557]

Answer:

44,55 can be produced.

Explanation:

First, we balanced the equation

1Cu + 2AgNO3 → 1Cu(NO3)2 + Ag

Then, we find the moles of each reagent

mol Cu = \frac{34,5g}{63,55\frac{g}{mol} } = 0,543 mol\\

mol AgNO3 = \frac{70,2g}{169,87\frac{g}{mol} } = 0,413 mol\\

Now, we find the limiting reagent from the quantities of product that can be formed from each reagent

mol AgNO3= 0,543mol Cu . \frac{2 mol AgNo3}{1 mol Cu} = 1,086 mol

mol Cu= 0,413 mol AgNO3 . \frac{1 mol Cu}{2 mol AgNO3} = 0,206 mol

1,086 moles of AgNO3 is necessary for each mole of Cu since we have 0.413 moles of Ag(NO3), the nitrate is the limiting reagent

the value of the limiting reagent determines the amount of product that is generated

∴ 0,413 mol of Ag can be produced

Ag = 0,413 mol . 107,87\frac{g}{mol} = 44,55g

Ag≈ 44,6g

4 0
4 years ago
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Is a homomonocyclic compound?
torisob [31]

Explanation:

A homomonocyclic compound composed of eight sulfur atoms. ...

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