The common name for butanone, a readily available solvent, is

Chemistry

1 answer:

azamat3 years ago

3 0

Answer:

The common name for 2-butanone, a readily available solvent, is B-butanone

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The leaf's cuticle

Lapatulllka [165]

I’m pretty sure it’s A it’s been awhile

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3 years ago

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A cube has sides that are 0.03 m . What is the volume of the cube in liters?

Marizza181 [45]

Answer:

0.027 litres

Explanation:

volume of cube = length × base area

volume of cube = 0.03m ×( 0.03m × 0.03m )

volume of cube = 0.03m × ( 0.0009m^2 )

volume of cube = 0.000027m^3

1 cubic metre = 1000 litres

0.000027m^3 = 0.027 litres

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3 years ago

How long does it take the sun to melt a block of ice at 0∘c with a flat horizontal area 1.0 m2 and thickness 1.8 cm ? assume tha

VLD [36.1K]

This is a problem involving heat transfer through radiation. The solution to this problem would be to use the formula for heat flux.

ΔQ/Δt = (1000 W/m²)∈Acosθ

A is the total surface area:
A = (1 m²) + 4(1.8 cm)(1m/100 cm)(√(1 m²))
A = 1.072 m²

ΔQ is the heat of melting ice.
ΔQ = mΔHfus
Let's find its mass knowing that the density of ice is 916.7 kg/m³.
ΔQ = (916.7 kg/m³)(1 m²)(1.8 cm)(1m/100 cm)(333,550 J/kg)
ΔQ = 5,503,780 J

5,503,780 J/Δt = (1000 W/m²)(0.05)(1.072 m²)(cos 33°)
Δt = 122,434.691 s or 34 hours

4 0

4 years ago

What is the molarity of a solution made by mixing 3.50 g of potassium chromate in enough water to make 100.00 ml of this solutio

shepuryov [24]

Answer:

.18 M

Explanation:

1st

The molarity of an aqueous solution (a solution that has water as the solvent) can be found just by remember this one formula = $\frac{mol}{liters}$ .

[moles of solute / volume of solution in L]

So, what do we have? From a glance we have the number of solute (Potassium Chromate), that tells us that we need to convert that value that is in grams (g) into...Moles or (mol), we can do that like this

$\frac{3.50 g}{ } \frac{1 mol}{194.19 g}$

After we cross multiply 3.50 times 1 and then divide by 194.19 - we get this value ⇒ .018 mol (the g cancels, and we keep mol)

(We get the 194.19 from adding up the molecular weight of Potassium Chromate, which is about 194.19 g/mol. In the above equation though, we flipped this, so that 1 mol is in the numerator and the 194.19 is in the denominator; this helps us convert the 3.50 g to moles).

2nd

Now, we just have to remember that 1 liter = 1000 ml. Because its easier for us to use a L instead of "ml" in the molarity formula. So...

100.00 ml = .1 L ....

(because $\frac{100 ml}{ } \frac{1 L}{1000 ml} = .1L$