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4 years ago

Which element will attract electrons more strongly—fluorine or carbon? explain your answer?

1 answer:

6 0

The property which can help us in this case is the electronegativity of atoms. Electronegativity is a measure of how strong an electron will be attracted to that atom. Well, Fluorine is the most electronegative element in the periodic table. Hence the answer is Fluorine.

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A technical machinist is asked to build a cubical steel tank that will hold 195 L of water. Calculate in meters the smallest pos

Aleks04 [339]

Answer:

The smallest possible inside length of the tank is $0.579$ m.

Explanation:

As we know that

$1 m^3 = 1000 L$

Thus, volume of $195$ liter tank is also equal to $0.195$ cubic meter

The volume of a cube is equal to $x^3$ , where, x is the length of the side of the cube

With the give condition,

$x^ 3 = 0.195$

Solving the above equation, we get -

$x = (0.195)^{\frac{1}{3})}\\x = 0.579$

The smallest possible inside length of the tank is $0.579$ m.

4 0

3 years ago

How many Liters of 0.968M solution can be made if 0.581 moles of solute are added? Group of answer choices 0.600 L 60 mL 0.562 L

Rzqust [24]

Answer:

0.6L

Explanation:

The formula of molarity is molSolute/litreSolution

$0.968M=\frac{0.581}{LitreSolution} \\\\LitreSolution=\frac{0.581}{0.968} \\LitreSolution=0.6L$ .

7 0

4 years ago

Suppose that a laboratory analysis of white powder showed 42.59% Na, 12.02% C, and 44.99% oxygen. Would you report that the comp

butalik [34]

Answer:

The white powder is sodium carbonate

Explanation:

If you supposed an ammount of 100 grams of the white powder, it means there are 42.59 grams of Na, 12.02 grams of C and 44.99 grams of O. If you divided every compound by its molar mass, you will know the moles of every compound. (According to moles=mass (grams)/ molar mass (grams/mole)

C=12.01 g/mole, Na=23 g/mole, O=16 g/mole

So:

C=12.02/12.01= 1.0 moles, Na=42.59/ 23= 1.85 moles, O= 44.99/16= 2.81 moles

Knowing this, we can stimated that the white powder has 1 mol of C and approximately 2 and 3 moles of N and O, respectively

Chemical formula for sodium carbonate is Na2CO3 and the formula for sodium oxalate is Na2C2O4. So the white powder is Na2CO3

8 0

3 years ago

How many atoms are present in 9 molecules of NH4CN?

otez555 [7]

Answer:

5.418x10^24 atoms

Explanation:

1mole of a substance contains 6.02x10^23 atoms.

From the above, it means that 1mole of NH4CN contains 6.02x10^23 atoms.

Therefore, 9 moles of NH4CN will contain = 9 x 6.02x10^23 = 5.418x10^24 atoms

3 0

3 years ago

When C2H5Cl(g) is burned in oxygen, chlorine gas is produced in addition to carbon dioxide and water vapor. 5145 kJ of heat are

Arisa [49]

Answer: The chemical equation is written below.

Explanation:

Combustion reaction is defined as the chemical reaction in which a hydrocarbon reacts with oxygen gas to produce carbon dioxide gas and water molecule.

$\text{hydrocarbon}+O_2\rightarrow CO_2+H_2O$