3 years ago

Which set of chemical name and chemical formula for the same compound is correct??

Chemistry

1 answer:

Kruka [31]3 years ago

5 0

The correct answer to your question is: <span>C) tin (IV) bromide, SnBr₄</span>

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Calcium (Ca) and oxygen (O) combine to form an ionic compound. Which best describes the electron dot formula for this compound

Blizzard [7]

CaO because oxygen have 2 dots and calcium as well
(oxygen valency -2
calcium valncy +2)= CaO

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2 years ago

What atoms are in Au(NO2)2

Fiesta28 [93]

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2 years ago

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2 years ago

Iron has a density of 7.86 g/cm3. Calculate the volume (in dL) of a piece of iron having a mass of 4.07 kg . Note that the densi

elena-s [515]

Answer:

The volume of the piece of iron is 5.18dL.

Explanation:

The density (ρ) is equal to the mass (m) divided the volume (V).

$\rho = \frac{m}{V}$

If we rearrange it, we have:

$V=\frac{m}{\rho }$

To express the volume in dL we will need the following relations:

1 dL = 0.1 L
1 kg = 10³ g
1 cm³ = 1 mL
1mL = 10⁻³L

Then,

$\rho = \frac{7.86g}{cm^{3} } .\frac{1cm^{3} }{1mL} .\frac{1mL}{10^{-3}L } .\frac{1kg}{10^{3}g } =7.86kg/L$

Finally,

$V=\frac{m}{\rho }=\frac{4.07kg}{7.86 kg/L} =0.518L.\frac{1dL}{0.1L} =5.18dL$

5 0

3 years ago

Read 2 more answers

The distance time graph for four objects is shown below:

solmaris [256]

Answer:

Option A

Explanation:

Remember constant means staying the same so in order to remain constant on the graph the line has to keep going up remaining the same pace. Which means the answer is option A or "Object A." The graph consists of a line going up at a constant speed without any bends or turns which all the other options consist of.

Hope this helps.

6 0

2 years ago