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Elza [17]
3 years ago
10

What is the formula of arsenic hexabromide?

Chemistry
1 answer:
Nady [450]3 years ago
6 0
When dealing with compounds and their names, it helps to know the prefixes of some of the common compounds. For instance,

Mono- = 1
Di- = 2
Tri- = 3
Tetra- = 4
Penta- = 5
Hexa- = 6

And the list goes on.

However we are dealing with Arsenic Hexabromide:

That means we have 1 Arsenic with 6 Bromides:

AsBr_{6}
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A sample of carbon tetrachloride (CCl4) contains 3 moles of the substance. How many atoms are there in the sample?
kaheart [24]

Answer:

1.806 × 10²⁴ atoms

Explanation:

To obtain the number of atoms a substance contain, we have to multiply the number of moles in that substance (n) by Avogadro's number, which is 6.02 × 10²³.

According to this question, a sample of carbon tetrachloride (CCl4) contains 3 moles of the substance. The number of atoms in CCl4 is calculated thus:

number of atoms = 3 × 6.02 × 10²³

number of atoms = 18.06 × 10²³

number of atoms = 1.806 × 10²⁴ atoms.

6 0
3 years ago
Which type of space technology utilizes the electromagnetic spectrum to collect information?
Yanka [14]

<u>Satelites</u> are a type of space technology utilizes the electromagnetic spectrum to collect information.

Explanation:

Depending on the electromagnetic spectrum that the satellite is designed for, it can be utilized for a certain scientific function. The Hubble Telescope, for example, is designed to perceive the visible light spectrum of electromagnetic radiation to provide the beautiful pictures of space we see today. Some satellites that orbit teh earth are sensitive to infra-red radiation and are used to monitor earth’s atmospheric and ocean temperatures. Some satellites are designed for X-rays and gamma rays and are used to search for supernovae.

7 0
3 years ago
Which of the following atoms is likely to transfer (and lose) an electron when it forms an ion? Please choose the correct answer
mestny [16]

Answer:

An atom containing 11 electrons

Explanation:

Metal atoms form ions by a loss of electrons whereas non-metal atoms form ions by the gain of electrons.

The group 1 elements or alkali metals form lose their one valence shell electrons when forming ions; Group 2 metals lose two while Group 3 lose three. On the other hand, non-metal atoms found in Group 5, 6, and 7 forms ions by gaining one, two and three electrons respectively.

Using the electronic configuration of atoms, their groups in the Periodic Table can be determined.

An atom containing 6 electrons has the configuration 2,4 and thus belongs to Group 4.

An atom with 2 electrons belongs to Group 2

An atom with 11 electrons has the configuration 2,8,1 and thus belongs to Group 1

An atom with 10 electrons has the configuration 2,8 and thus belongs to Group 8

An atom with 8 electrons has the configuration 2,6 and thus belongs to Group 6.

From the above, it can be seen that an atom containing 11 electrons belongs to Group 1 and will lose an electron to form an ion.

8 0
2 years ago
Identify the correct statements associated with titration.
Montano1993 [528]

Answer:

a

Explanation:

because titration by definition, is used to determine the concentration of one reactant in an aqueous solution, it requires a burette to accurately measure the volume of a solution and endpoints in acid-base titration can be determined by a colour indicator or a pH meter

3 0
3 years ago
ACTUAL YIELD VS THEORETICAL YIELD?
lawyer [7]

Actual yield over theoretical yield, then multiply by 100

6 0
3 years ago
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