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3 years ago

If a flask containing one liter of water was poured into 1,000 small cubes, then each cube would contain:

Chemistry

2 answers:

erastova [34]3 years ago

7 0

Every cube would contain 1 milliliter of water, or .01 liter

anzhelika [568]3 years ago

4 0

Answer is: 1 mL or 1 cm³.

V(water) = 1 L; volume of the water.

One liter is equal to 1000 milliliters (mL) or 1000 cubic centimetres (1000 cm³).

V(water) = 1 L · 1000 mL/L.

V(water) = 1000 mL.

V(cube) = 1000 mL ÷ 1000.

V(cube) = 1 mL; volume of the cube.

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On average, Earth’s crust contains about 8.1% aluminum by mass. If a standard 12-ounce soft drink can contains approximately 15

MrMuchimi

Answer:

5400 cans

Explanation:

First we convert the total weight, 1 ton, to grams:

$1ton=1x10^{6}g$

Now we need to know the mass of aluminum:

$m_{Al}=\frac{10^{6}*8.1}{100} =81000g$

Now we make the relation between the mass of aluminum in 1 ton of the earth's crust and the mass of aluminum per can:

$n=\frac{81000g}{15g/can} =5400cans$

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3 years ago

What is the pH of a 8.7 x 10^-12 M OH- solution ? pH= ?

vivado [14]

PH=14-pOH

pOH=-lg[OH⁻]

pH=14+lg[OH⁻]

pH=14+lg(8.7*10⁻¹²)=14-11.06=2,94

5 0

3 years ago

Read 2 more answers

Which aqueous solution has the highest boiling point?a. 0.20 M NaClb. 0.10 M CaCl2c. 0.1 M Ga2(SO4)3d. 0.2 M C6H12O6

abruzzese [7]

Answer:

c. 0.1 M Ga₂(SO₄)₃

Explanation:

The boiling point increasing of a solvent due the addition of a solute follows the formula:

ΔT = K*m*i

Where K is boiling point increasing constant (Depends of the solute), m is molality = molarity when solvent is water, and i is Van't Hoff factor.

That means the option with the higher m*i will be the solution with the highest boiling point:

a. NaCl has i = 2 (NaCl dissociates in Na⁺ and Cl⁻ ions).

m* i = 0.20*2 = 0.4

b. CaCl₂; i = 3. 3 ions.

m*i= 0.10M * 3 = 0.3

c. Ga₂(SO₄)₃ dissolves in 5 ions. i = 5

m*i = 0.10M*55 = 0.5

d. C₆H₁₂O₆ has i = 1:

m*i = 0.2M*1 = 0.2

The solution with highest boiling point is:

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2 years ago

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fiasKO [112]

Answer:

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Explanation:

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3 years ago

Read 2 more answers

When water vapor changes to a liquid what is it called

Mademuasel [1]

Answer:

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Explanation:

<h2>Condensation is the change of water from its gaseous form (water vapor) into liquid water. Condensation generally occurs in the atmosphere when warm air rises, cools and looses its capacity to hold water vapor. As a result, excess water vapor condenses to form cloud droplets.</h2>

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5 0

3 years ago