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2 years ago

6

Atoms of which of elements will form covalent bonds in a compound

1 answer:

Trava [24]2 years ago

6 0

C and O will come together to form CO2 (carbon dioxide)

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What is the use of the crystallisation process?

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to obtain pure salt from seawater.
in order to obtain pure crystals of a substance from an impure mixture.
obtain pure alum crystals from an impure alum.

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What chemical substance is formed when the oh and h is joined?

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Water is formed when this happens

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Which classification best describes oxygen gas? a element b compound c solution d heterogeneous mixture

NNADVOKAT [17]

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oxygen is an element because it is a pure substance which cannot be split into simpler substances by chemical means

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Neap tides, relatively weak tides, occur when the Moon is in position(s)

andrew-mc [135]

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D) B and D. Weak tides, called neap tides, are experienced in the Earth's oceans when the sun is in positions B or D. In this case, the sun and moon interfere with each other in producing tidal bulges on Earth. It is definitely not the other answer since I got it right on USATESTPREP.

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2 years ago

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Acetone is the main chemical in nail polish and has a density of 0.7857 g/mL. What is the volume of 6.54g of acetone ?

trapecia [35]

8.3mL

Explanation:

Given parameters:

Mass of acetone = 6.54g

Density of acetone = 0.7857 g/mL

Unknown:

Volume of acetone = ?

Solution:

Density is defined as the mass per unit volume of a substance. It is expressed mathematically as shown below:

Density = $\frac{Mass}{Volume}$

Since the unknown is volume, we make it the subject of the formula

Volume = $\frac{mass}{density}$

Input the values;

Volume = $\frac{6.54}{0.7857}$ = 8.3mL

learn more:

Volume brainly.com/question/2690299

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