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Yanka [14]
2 years ago
11

How many kg are in 10 pounds

Chemistry
1 answer:
Ann [662]2 years ago
6 0

Answer:4.536 kilograms

Explanation:

for an approximate result, divide the mass value by 2.205

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Enter your answer in the provided box. How many unpaired electrons are present in the ground state of the atoms in Group 6A(16)
Nat2105 [25]

Answer:

Two unpaired electrons

Explanation:

The elements of group 16 include; oxygen, sulphur, selenium, tellurium etc. These elements contain six electrons on their outermost shells. These six electrons are comprised of two lone pairs and two unpaired electrons. The outermost electron configuration of group 16 elements is ns2np4.

Let us take a well known example, look at the formation of water. Oxygen contains two lone pairs of electrons and two unpaired electrons which are used to bond to two hydrogen atoms to form H2O. Similar hydrides are formed with other group 16 elements.

6 0
2 years ago
If the mass of an object is 10 kg and the acceleration of an object due to
mars1129 [50]
Hmm the answer is 2.454

No explanation needed it’s just 2.454
5 0
1 year ago
Calculate the number of moles if we were given 9.2 x 10 ^ 23 atom of lead . ( plz show work) (helpme0)
ohaa [14]

Answer:

<h3>The answer is 1.53 moles</h3>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L}  \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{9.2 \times  {10}^{23} }{6.02 \times  {10}^{23} }  \\  = 1.52823920...

We have the final answer as

<h3>1.53 moles </h3>

Hope this helps you

3 0
2 years ago
What is the oxidation number of Na2So4
DiKsa [7]
For example, Na2SO4 has two sodium (Na) atoms with an oxidation charge of plus 1 each and an overall oxidation value of plus 2.

Please tell me if this helped
7 0
1 year ago
How many grams are in 6.50 moles of h2so4?
GREYUIT [131]
You multiply 6.50 by the molar mass of H2SO4. 
7 0
2 years ago
Read 2 more answers
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