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2 years ago

If aluminum has a density of 2.7 g/cm³, what is the volume of 2.7 grams of aluminum?

Chemistry

1 answer:

Lorico [155]2 years ago

4 0

Answer:

Solution Density of aluminium = 2.7 g/Cm 3 In kg/ m 3 = 27 × 1000 10 =2700 kg/ m 3

Explanation:

Not much of one

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The Prandtl number, Pr, is a dimensionless group important in heat transfer. It is defined as Pr - Cp*mu/k where Cp is the heat

algol [13]

Answer:

The Prandtl number for this example is 14,553.

Explanation:

The Prandlt number is defined as:

$Pr=\frac{C_{p}*\mu}{k}$

To compute the Prandlt number for this case, is best if we use the same units in every term of the formula.

$\mu=1896 \frac{lbm}{ft*h}*\frac{1000 g}{2.205 lbm}*\frac{3.281 ft}{1 m}*\frac{1h}{3600s} =7938 \frac{g}{m*s}$

Now that we have coherent units, we can calculate Pr

$Pr=\frac{C_{p}*\mu}{k}=0.66*7938/0.36=14553$

8 0

3 years ago

A sealed flask contains Ne, Ar, and Kr gas. If the total pressure in the flask is 3.782 atm, the partial pressure of Ne is 0.435

spin [16.1K]

Answer:

$P_{Ar}=1.734atm$ = partial pressure of Ar

Explanation:

Acccoding to dalton's law of partial pressure total pressure of system is equal to alzebraic sum of all partial pressure.

$P_{total} =P_{Ne}+P_{Ar} +P_{Kr}$

$P_{total}=3.782atm$

$P_{Ne}=0.435 atm$

$P_{Kr}=1.613atm$

$P_{Ar}=P_{total}-P_{Ne}-P_{Kr}$

$P_{Ar}=3.782-0.435-1.613$

$P_{Ar}=1.734atm$ =partial pressure of Ar

4 0

4 years ago

eleanor purchased $2568 worth of stock and paid her broker a 0.5% fee. She sold the stock when the stock price increased to 3928

Mrrafil [7]

Answer: $1338.16

Explanation: Total cost of stock= $2568

Total cost of stock including the brokerage $=2568+\frac{0.5}{100}\times {2568}=2580.84$ $

Selling price of stock = $3928

Selling price of stock including trading fee=($3928-$7)=$3919

Net Proceeds = Net selling price of stock - Cost Price of stock

Net Proceeds = ($3919 - $2580.84) = $1338.16

5 0

3 years ago

2.<br> Reflect polygon P using line l.<br> P

SSSSS [86.1K]

There is no photo , so I can’t really tell you the answer .

5 0

4 years ago

How much of each gas is there in 100cm3 air?

Akimi4 [234]

Each 100 cm3 of air, constitutes 78cm3 nitrogen, 21cm3 oxygen and 1cm3 constitutes of other gases like Argon, ozone, carbon dioxide and water vapour in small amounts.

8 0

3 years ago

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If aluminum has a density of 2.7 g/cm³, what is the volume of 2.7 grams of aluminum?​

If aluminum has a density of 2.7 g/cm³, what is the volume of 2.7 grams of aluminum?