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4 years ago

Which expression is equal to the number of milliliters(mL)in 12.5 liters(L)?

Chemistry

2 answers:

erastova [34]4 years ago

8 0

There are 1000 mL in a L.

12.5 L = 12.5(1000) mL = 12500 mL

12500 mL = 12.5 L

Hope this helps!

Cerrena [4.2K]4 years ago

4 0

12500 mL = 12.5 L would be correct

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Balance the following chemical equation: ___HCO + ___O —> ___H2 + ___CO3

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Answer: 2HCO + 4O → H2 + 2CO3

Explanation: Oxomethyl + Oxygen = Dihydrogen + Carbon Trioxide

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3 years ago

A sample of a pure compound that weighs 60.3 g contains 20.7 g Sb (antimony) and 39.6 g F (fluorine). What is the percent compos

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Answer:

The percent composition of fluorine is 65.67%

Explanation:

Percent Composition is a measure of the amount of mass an element occupies in a compound. It is measured in percentage of mass.

That is, the percentage composition is the percentage by mass of each of the elements present in a compound.

The calculation of the percentage composition of an element is made by:

$percent composition element A=\frac{total mass of element A}{mass of compound} *100$

In this case, the percent composition of fluorine is:

$percent composition of fluorine=\frac{39.6 g}{60.3 g} *100$

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4 0

4 years ago

Matter changing from a solid to a gas

DIA [1.3K]

B. sublimation is the answer.

5 0

3 years ago

The volume of a gas is 22 mL at 44°C and

sveticcg [70]

Answer:

The volume will be 18,23 ml.

Explanation:

We use the gas formula, which results from the combination of the Boyle, Charles and Gay-Lussac laws. According to which at a constant mass, temperature, pressure and volume vary, keeping constant PV / T. We convert the unit Celsius into Kelvin: 0 ° C = 273K, 44+273=317K, 17+273=290 K. The volume in L= 22/1000= 0,022L

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3 years ago

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Answer: The standard cell potential of the cell is -0.71 V

Explanation:

The half reactions follows:

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