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3 years ago

What is the formula for the molecular compound disulfur decafluoride?

Chemistry

2 answers:

frosja888 [35]3 years ago

6 0

Answer:

S2F10

Explanation:

Over 100 million chemical compounds | Mol-Instincts.

WITCHER [35]3 years ago

3 0

Answer:

Explanation:

i dont really know how to explain this...

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How many ml of 0.500 m naoh would be required to exactly neutralize 220.0 ml of 0.150 m hcl?

Anni [7]

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3 years ago

A closed system is:

Inga [223]

A closed system is completely closed to the outside environment. Every interaction is transmitted inside that closed system.

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3 years ago

Pentane is a small liquid hydrocarbon, between propane and gasoline in size at C5H12. The density of pentane is 0.626 g/mL and i

Goshia [24]

Answer : The fuel value and the fuel density of pentane is, 49.09 kJ/g and $3.073\times 10^4kJ/L$ respectively.

Explanation :

Fuel value : It is defined as the amount of energy released from the combustion of hydrocarbon fuels. The fuel value always in positive and in kilojoule per gram (kJ/g).

As we are given that:

$\Delta H^o_{comb}=-3535kJ/mol$

Fuel value = $\frac{\Delta H^o_{comb}}{\text{Molar mass of pentane}}$

Molar mass of pentane = 72 g/mol

Fuel value = $\frac{3535kJ/mol}{72g/mol}$

Fuel value = 49.09 kJ/g

Now we have to calculate the fuel density of pentane.

Fuel density = Fuel value × Density

Fuel density = (49.09 kJ/g) × (0.626g/mL)

Fuel density = 30.73 kJ/mL = $3.073\times 10^4kJ/L$

Thus, the fuel density of pentane is $3.073\times 10^4kJ/L$

4 0

3 years ago

Which element is used in light bulbs as filament

Sergeeva-Olga [200]

The answer is tungsten.

8 0

3 years ago

consider a 1000-ml graduated cylinder with marks every 100 ml. a student records the volume of liquid in the cylinder as 750 ml.

kap26 [50]

Answer:

Yes, given statement is true.

Explanation:

Given that a cylinder of 1000 ml is marked at every 100 ml.

During the test, the student can easily check the volume of liquid so the student's guess is 750 ml true.

With this measurement, we can estimate that 1/10th of 100 ml can be measured.

So, given statement is correct.

6 0

3 years ago