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il63 [147K]
3 years ago
11

The Blue Giant of the Orient is the largest faceted sapphire in the world, with a mass of

Chemistry
1 answer:
vfiekz [6]3 years ago
5 0

The volume of this sapphire in cubic centimeters is 24.4 cm^3

We have the following information;

Mass of the Blue Giant = 486.52 carats

Density of the blue giant = 3.98 g/cm3

Volume of the blue giant = ?

Since the density is given in g/cm3, we must convert the mass to grams.

We have the conversion factor; 5 carats = 1 g

So;

If 5 carats make 1g

486.52 carats make 486.52 carats × 1g/ 5 carats

= 97.30 g

Since;

Density = mass/volume

Volume = Mass/Density

Volume = 97.30 g/3.98 g/cm3

Volume =  24.4 cm^3

Learn more: brainly.com/question/6034174

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Balance the equation <br> C2H6O+O2 ——&gt; CO2 + H2O
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C2H6O + 3O2 —> 2CO2 + 3H2O
6 0
3 years ago
If acid comes in contact with your skin, why must you flush the area with plenty of cold water, rather than neutralizing the aci
PSYCHO15rus [73]

Answer:

that would just create a bigger mess if you flush it with ice water it can reduce swelling and help dull your nerves

Explanation:

3 0
3 years ago
A sample of aluminum absorbs 9.86 J of heat, upon which the temperature increases from 23.2°C to 30.5°C. Since the specific heat
True [87]

Answer:

1.50 g

Explanation:

The heat absorbed by the aluminum in this case is:

q = m x C x ΔT     m= q/ (C x ΔT)

q= 9.86 J

C = 0.90 J/g-K

ΔT = ( 30.5 ºC - 23.2 ºC ) = 7.3 ºC = 7.3 K (this is a range of temperature)

m = 9.86 J / ( 0.90 J/g-K ) x 7.3 K ) = 1.50 g

8 0
3 years ago
What is difference in reaction of O2 with metal and nonmetal?​
aksik [14]

Answer:

Metal more reactive than non metal

4 0
3 years ago
1. How many molecules of S2 gas are in 756.2 L?
AfilCa [17]

Answer: There are 2.032 \times 10^{25} molecules S_{2} gas are in 756.2 L.

Explanation:

It is known that 1 mole of any gas equals 22.4 L at STP. Hence, number of  moles present in 756.2 L are calculated as follows.

Mole = \frac{Volume}{22.4 L}\\= \frac{756.2 L}{22.4 L}\\= 33.76 mol

According to mole concept, 1 mole of every substance contains 6.022 \times 10^{23} molecules.

Therefore, molecules of S present in 33.76 moles are calculated as follows.

1 mol = 6.022 \times 10^{23}\\33.76 mol = 33.76 \times 6.022 \times 10^{23}\\= 2.032 \times 10^{25}

Thus, we can conclude that there are 2.032 \times 10^{25} molecules S_{2} gas are in 756.2 L.

5 0
3 years ago
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