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butalik [34]
3 years ago
10

How many moles are in 3.85*10^4 grams of Ba(NO3)2

Chemistry
2 answers:
MA_775_DIABLO [31]3 years ago
7 0

Answer: answer is 261.3368.

Explanation:

tigry1 [53]3 years ago
3 0
3028 molucoles bro it’s lit
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This element has 50 electrons in a neutral atom and is usually mixed with metals to form an alloy.
babymother [125]
Heya!

HERE IS YOUR ANSWER:

Electrons = 50

Atomic number = 50

so, the Element is stannum (Sn)
6 0
3 years ago
Identify whether each element is a halogen, a noble gas, or nonmetal only. Astatine (At): Nitrogen (N): Krypton (Kr): Chlorine (
sasho [114]

<u><em>Answer:</em></u>

  • Astatine and chlorine are halogens only
  • Nitrogen and sulphur are non metals only
  • Krypton (Kr) is noble gas only

Explanation


  • Krypton (Kr) is noble gas only because it present in group 8 A that is known as noble gases.
  • Nitrogen is present in group 5A which act as non metal
  • Sulphur is present in group  6 A which act as non metal
  • Astatine and chlorine are known as halogens because they are present in group 7 A of the periodic table
3 0
3 years ago
Read 2 more answers
A sample of table sugar has a mass of 5.432g a) calculate the number of moles in the sample
Temka [501]

The number of particles of atoms depends on the ratio of their composition in the compound

<h3>Further explanation</h3>

Given

5.432 g of table sugar

Required

moles of sample

moles of C, H and O

number of atoms

Solution

Table sugar : Sucrose : C₁₂H₂₂O₁₁

  • moles of sample :

= 5.432 : 342,3 g/mol

= 0.016

  • moles of C, H, and O :

C = 12 x 0.016 = 0.192

H = 22 x 0.016 = 0.352

O = 11 x 0.016 = 0.176

  • number of atoms :

C = 0.192 x 6.02 x 10²³ = 1.16 x 10²³

H = 0.352 x 6.02 x 10²³ = 2.12 x 10²³

O = 0.176 x 6.02 x 10²³ = 1.06 x 10²³

3 0
3 years ago
When liquid lemonade is placed in a freezer, its temperature slowly drops. Its molecules move less and less until they can only
Natali5045456 [20]
The answer is A the heat is removed because it’s freezing and now the lemonade is frozen which makes a solid
8 0
3 years ago
Name at least two types of bonds and their site, which are broken by Exonuclease.
Greeley [361]

Answer:

phosphodiester bonds

Exonucleases are enzymes that work by cleaving nucleotides one at a time from the end (exo) of a polynucleotide chain. A hydrolyzing reaction that breaks phosphodiester bonds at either the 3′ or the 5′ end occurs.

Explanation:Exonucleases are enzymes that work by cleaving nucleotides one at a time from the end (exo) of a polynucleotide chain. A hydrolyzing reaction that breaks phosphodiester bonds at either the 3′ or the 5′ end occurs.

8 0
3 years ago
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