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3 years ago

Empirical formula of c3h12o6

Chemistry

1 answer:

morpeh [17]3 years ago

5 0

Answer:

$CH_{4} O_{2}$

Explanation:

The empirical formula is the simplest whole-number ratio of the elements in a compound to one another. To find the empirical formula given a molecular formula, divide all the subscripts by their greatest common factor.

3, 12, and 6 can all be divided by 3, which makes the empirical formula $CH_{4} O_{2}$

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3 years ago

Convert 150 kPa to atmospheres. *

lakkis [162]

Answer: 1.48 atmosphere

Explanation:

Pressure in kilopascal = 150

Pressure in atmosphere = ?

Recall that 1 atmosphere = 101.325 kilopascal

Hence, 1 atm = 101.325 kPa

Z atm = 150 kPa

To get the value of Z, cross multiply

150 kPa x 1 atm = 101.325 kPa x Z

150 kPa•atm = 101.325 kPa•Z

Divide both sides by 101.325 kPa

150 kPa•atm/101.325 kPa = 101.325 kPa•Z/101.325 kPa

1.48 atm = Z

Thus, 150 kPa is equivalent to 1.48 atmospheres

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3 years ago

A battery can provide a current of 4.60 A at 3.40 V for 2.50 hr. How much energy (in kJ) is produced? 1st attempt kJ Energy

Lunna [17]

Answer:

The energy produced equals 140.760 kJ

Explanation:

The relation between power, current and voltage is

$Power=Current\times Voltage$

Applying the given values in the relation above we get

$Power=4.60\times 3.40=15.64W$

Now Since $Power=\frac{Energy}{Time}\\\\Energy=Power\times Time$

Again applying the calculated values we get

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4 years ago

A cube 20 cm could contain how many millimeters of fluid

labwork [276]

Answer:

The cube will contain 8000 mL of the fluid.

Explanation:

Knowing that the volume of the cube = L³.

where, L is the edge length.

∴ V of the cube = L³ = (20.0 cm)³ = 8000 cm³.

Knowing that 1.0 cm³ = 1.0 mL.

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4 years ago

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3 years ago

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