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kari74 [83]
4 years ago
13

What happens to the sugar from a sugar cube after it has dissolved in a cup of tea? (Molecule related)​

Chemistry
2 answers:
katovenus [111]4 years ago
6 0

Answer: Sugar is very soluble in water. When you add the solid to the tea the key process is that the solid sugar dissolves in the warm liquid: the solid crystals are broken up into molecules which are every dispersed throughout the existing liquid.

Explanation:

Svet_ta [14]4 years ago
5 0
Diffusion of molecules occur after it has dissolved
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Be sure to answer all parts. Solving the Rydberg equation for energy change gives ΔE = R[infinity]hc [ 1 n12 − 1 n22 ] where the
icang [17]

Answer:

Explanation:

Utilizing Rydber's  equation:

ΔE = Z²Rh ( 1/n₁² - 1/n₂²) and substituting the values given ( using the Rydbers constant value in Joules ), we have

n=1 to n= infinity

ΔE = 3² x (1/1² - 0) x 2.18 x 10⁻^18 J = 2.0 x 10⁻¹⁷ J      (1/infinity is zero)

n= 3 to n= infinity

ΔE = 3² x (1/3² - 0) x 2.18 x 10⁻^18 J = 2.28 x 10^-18 J

b.  The wavelength of the emitted can be obtained again by using Rydberg's equation but this time use the constant value 1.097 x 10⁷ m⁻¹ given in the problem .

1/λ = Z²Rh (1/n₁² - 1/n₂²) 10 ⁻¹ = 3² x 1.097 x 10⁷ m⁻¹ x (1/1² - 1/3²) m⁻¹

1/λ =8.8 x 10⁷ m⁻¹ ⇒  λ =1.1 x 10^-8 m

λ = 1.1 x 10^-8 m x 1 x 10⁹ nm/m = 11 nm

7 0
3 years ago
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Why is the circulatory system so important? please explain in own yours I keep getting copy and paste please don’t do that it’s
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<u>Importance </u><u>of </u><u>Circulatory </u><u>System</u>

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AZX symbol of a cation with 13 neutrons
Svet_ta [14]

The AZX symbol of  a cation with 13 neutrons is A = 24 , Z = 11 and X = Na+

<h3>What is AZX?</h3>

AZX is a symbol which stands for;

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  • Z is the atomic number or the number of protons
  • X is the chemical symbol of the element

Note, cations are positively-charged ions having more protons than electrons due to loss of one or more electrons.

Sodium ion represented as Na+ is a cation which lost one electron. It has 13 neutrons and 11 protons.

But the mass number of an element, A is the sum of protons and neutrons of the element.

Thus, for Na+

A = 13 + 11 = 24

Z = 11

X = Na+

Therefore, the AZX symbol of  a cation with 13 neutrons is A = 24 , Z = 11 and X = Na+

Learn more about sodium ion here:

brainly.com/question/1933786

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Answer:

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Explanation:

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