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3 years ago

which of the following is an organic compound? carbon monoxide, sodium chloride, sulfur oxide, water,

Chemistry

1 answer:

pochemuha3 years ago

5 0

I think carbon monoxide and sodium chloride are the organic compounds.

I hope this helps :-)

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The density of lead is 11.3g/cm^3 and the density of chromium is 7.14g/cm^3. If we have one gram of each metal, what is the rati

Lady bird [3.3K]

The ratio of the volume of lead to the volume of chromium is 22 : 35

Density is simply defined as the mass of a substance per unit volume of the substance.

<h3>Density = mass / volume </h3>

To solve the question given above, we'll begin by calculating the volume of lead and chromium. This can be obtained as follow:

Mass of lead = 1 g

Density of lead = 11.3 g/cm³

<h3>Volume of lead =? </h3>

Density = mass /volume

11.3 = 1 / Volume

Cross multiply

11.3 × Volume = 1

Divide both side by 11.3

Volume = 1 / 11.3

<h3>Volume of lead = 0.088 cm³</h3>

<h3>For Chromium:</h3>

Mass of chromium = 1 g

Density of chromium = 7.14 g/cm³

<h3>Volume of chromium =? </h3>

Density = mass /volume

7.14 = 1 / Volume

Cross multiply

7.14 × Volume = 1

Divide both side by 7.14

Volume = 1 / 7.14

<h3>Volume of chromium = 0.14 cm³</h3>

Finally, we shall determine the ratio of the volume of lead to the volume chromium. This can be obtained as follow:

Volume of lead = 0.088 cm³

Volume of chromium = 0.14 cm³

<h3>Ratio of the volume of lead to chromium =? </h3>

Ratio = Volume of lead / Volume of chromium

Ratio = 0.088 / 0.14

Ratio = 22 / 35

<h3>Ratio = 22 : 35</h3>

Therefore, the ratio of the volume of lead to the volume chromium is 22 : 35

Learn more: brainly.com/question/17262276

5 0

3 years ago

Identify the total number of molecules in the chemical formula: 6CH4 a 6 b 10 c 24 d 30

Anon25 [30]

Answer: A.6

Explanation:

8 0

2 years ago

How much nano3 is needed to prepare 225 ml of a 1.55 m solution of nano3?

andrezito [222]

Answer:

= 29.64 g NaNO3

Explanation:

Molarity is given by the formula;

Molarity = Moles/Volume in liters

Therefore;

Number of moles = Molarity × Volume in liters

= 1.55 M × 0.225 L

= 0.34875 moles NaNO3

Thus; 0.34875 moles of NaNO3 is needed equivalent to;

= 0.34875 moles × 84.99 g/mol

= 29.64 g

5 0

3 years ago

I know the balanced equation, I just need help with the next part, any help is greatly appreciated!

baherus [9]

Answer:

20.4081633 or 20.408

Explanation:

These ones you can do the regular method but it takes to long just divide and shoot.Hope this helps.

3 0

3 years ago

Which substance is a greenhouse gas that is emitted by human activities, is the most widespread, and remains in the air the long

adelina 88 [10]

The answer is carbon dioxide. <span>Carbon dioxide (CO2) covers approximately 75% of the heating effect of current greenhouse gas emissions. This is basically produced by burning coal and oil, and deforestation is also a very important contributor.</span>

7 0

3 years ago

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