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2 years ago

What kind of organic compound is ethanoic acid?

Chemistry

1 answer:

Setler [38]2 years ago

7 0

Answer:

Acetic acid , systematically named ethanoic acid , is a colourless liquid organic compound with the chemical formula CH3COOH.

Explanation:

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On the periodic table, the average atomic mass for carbon is 12.01 g. Why is it not exactly 12.00?

KiRa [710]

The average the natural abundances of the various isotopes of carbon to arrive at the fractional mass.

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2 years ago

Which of the following is not a characteristic of a metal?

jolli1 [7]

Answer:

B. Poor conductor.

Explanation:

It cannot be A, as only 1 metal is not solid at room temp.

It cannot be C, as most metals are ductile.

It cannot be D, as most metals are malleable.

This leaves B, which is not true about metals, as a lot are very good conductors.

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1 year ago

Which are characteristics of the speed of light? Check all that apply.

valkas [14]

- The speed of light is the speed electromagnetic waves travel. The speed of light is 3.0 x 108 m/s in space. The speed of light is the same in all matter. The speed of higher frequency light slows down more than lower frequency light in matter.

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2 years ago

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Which object has particles with the most kinetic energy?

Pavlova-9 [17]

Answer:

Explanation:

because it is moving so it has kinetic energy

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2 years ago

How many grams of CaF2 would be needed to produce 1.12 moles of F2?

zlopas [31]

Step 1 : Write balanced chemical equation.

CaF₂ can be converted to F₂ in 2 steps. The reactions are mentioned below.

I] $CaF_{2} + H_{2} SO_{4} -------> 2HF + CaSO_{4}$

II] $2HF -------> H_{2} + F_{2}$

The final balanced equation for this reaction can be written as

$CaF_{2} + H_{2} SO_{4} ---------> CaSO_{4} + H_{2} + F_{2}$

Step 2: Find moles of CaF₂ Using balanced equation

We have 1.12 mol F₂

The mole ratio of CaF₂ and F₂ is 1:1

$1.12mol F_{2} * \frac{1molCaF_{2}}{1molF_{2}} = 1.12molCaF_{2}$

Step 3 : Calculate molar mass of CaF2.

Molar mass of CaF₂ can be calculated by adding atomic masses of Ca and F

Molar mass of CaF₂ = Ca + 2 (F)

Molar mass of CaF₂ = 40.08 + 18.998 = 78.08 g

Step 4 : Find grams of CaF₂

Grams of CaF₂ = $1.12molCaF_{2} *\frac{78.08gCaF_{2}}{1mol CaF_{2}}$

Grams of CaF₂ = 87.45 g

87.45 grams of CaF2 would be needed to produce 1.12 moles of F2.

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2 years ago

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