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3 years ago

Convert 59,800 cg/L to g/mL

1 answer:

6 0

To convert the given value to the desired one, use the proper unit conversions and dimensional analysis. Use the following conversion for the first set.

1 g = 100 cg
1 L = 1000 mL

Using the concept presented above,

V = (59800 cg/L)(1 g/100 cg)1 L/1000 mL)
V = 0.598 g/mL

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Which ppower source directs the electrons from oxidation reduction reations to flow through a device to give the device power?

tensa zangetsu [6.8K]

Battery or electrochemical cell

Explanation:

A battery is a power source that directs electrons from oxidation - reduction reactions to flow through a device to give electrical power.

A battery is an electrochemical cell.
Electrochemical cells are devices in which chemical reactions produce an electric current that is, chemical energy is turned into electrical energy.
The reactions here are spontaneous redox reactions, hence electrons flows on its own in an external circuit.

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Battery brainly.com/question/8892837

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3 years ago

Volcano help! *I GIVE THANKS!*

Pani-rosa [81]

A volcanic eruption occurs when the pressure in a magma chamber becomes so great it is released like a valve. Magma is released through the volcano's cone in an eruption of lava rocks (bombs) and ash. A volcanic cone develops over centuries as flowing lava from the active volcano cools to form layers of rock.
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3 years ago

At what temp will a gas be at if you allow it to expand from an original 456 mL to 65°C to 3.4 L

alexira [117]

We use the gas law named Charle's law for the calculation of the second temperature. The law states that,
V₁T₂ = V₂T₁
Substituting the known values,
(0.456 L)(65 + 273.15) = (3.4 L)(T₁)
T₁ = 45.33 K

5 0

3 years ago

Read 2 more answers

The decomposition of NI3 to form N2 and I2 releases −290.0 kJ of energy. The reaction can be represented as 2NI3(s)→N2(g)+3I2(g)

EastWind [94]

Answer:

-7.34 kilo Joules is the change in enthaply when 20.0 grams of nitrogen triiodide decomposes.

Explanation:

Mass of nitrogen triiodide = 20.0 g

Moles of nitrogen triiodide = $\frac{20.0 g}{395 g/mol}=0.05063 mol$

$2NI_3(s)\rightarrow N_2(g)+3I_2(g), \Delta H_{rxn}=-290.0 kJ$

According to reaction, 2 moles of nitrogen triiodide gives 290.0 kilo Joules of heat on decomposition ,then 0.05063 moles of nitrogen triiodide will give :

$\frac{-290.0 kJ}{2}\times 0.05063=-7.34 kJ$

-7.34 kilo Joules is the change in enthaply when 20.0 grams of nitrogen triiodide decomposes.

3 0

3 years ago

Why is it that 85.48 rounded to two significant figures is 85 and not 86?

Gelneren [198K]

Answer:

See below.

Explanation:

That is because of the .48.

85.48 is closer to 85 than 86.

8 0

3 years ago