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Andrej [43]
2 years ago
15

What effect doeshybridization have on boods,​

Chemistry
1 answer:
Alchen [17]2 years ago
3 0
Hybridisation influences the bond length and bond enthalpy strength in organic compounds. The sp hybrid orbital contains more s character and hence it is closer to its nucleus and forms shorter and stronger bonds than the sp3 hybrid orbital.
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The usefulness of diffusion in daily life​
Alexus [3.1K]

Answer:

<em>You can smell perfume because it diffuses into the air and makes its way into your nose. 2. Cigarette smoke diffuses into the air. ... A tea bag placed in a cup of hot water will diffuse into the water.</em>

Explanation:

Hope this helps

8 0
3 years ago
Read 2 more answers
Why doesn't the reaction Pb+Zn(C2H3O2)2--&gt; Zn + Pb(C2H3O2)2 occur?
Komok [63]
Because zinc is above lead on the activity series. This means that in a single displacement reaction such as this one, Pb will not easily displace Zn.
5 0
2 years ago
There's a 50 gram sample of our Ra-229 it is half-life is 4 minutes how much will be left after 12 minutes
KIM [24]

The half life of an isotope is the amount of time it will take for the given isotope to decay till the point where it reaches half of what amount you had started with.

If the half life of Ra-229 is 4 minutes then every 4 minutes the sample is reduced to half of what you had before

4 minutes.)     50/2 Ra-229 --> 25g Ra-229

8 minutes.)     25/2 Ra-229 --> 12.5 Ra-229

12 minutes.)    12.5/2 Ra-229 --> 6.25 Ra-229 remaining

<em>I beleive this is the correct answer</em>

7 0
3 years ago
at a pressure of 101.3 kilopascal and a temperature of 373 K, heat is removed from a sample of water vapor, causing the sample t
Kruka [31]

Answer:

The amount of heat released is 11.3 KJ

Explanation:

H20(g) -> H20(l) + heat

This reaction is changing state from gaseous to liquid without changing the temperature. This heat is know as Latent heat. It is the energy required for a phase change.

Heat released by 5 g of water vapor (Q) = M ×  L

where M = mass of vapor

L= latent heat

Latent heat can be divide into 2

  1. Latent heat of fusion
  2. Latent heat of vaporization

Since we are change the gaseous state to liquid, we will be working with Latent heat of vaporization which has a value of 22.6 x 10 ∧5 J/kg

                                     (Q) = M ×  L

                                           = 0.005 x 22.6 x 10 ∧5

                                           = 11300 J

                                           = 11.3 KJ

8 0
3 years ago
How many grams of NaHCO3 would you need to react with 6 moles of H2SO4?
maks197457 [2]

Answer:

\boxed{\text{1000 g}}

Explanation:

We know we will need a balanced equation with masses, moles, and molar masses, so let’s gather all the information in one place.

M_r:                           84.01  

              H₂SO4 + 2NaHCO₃ ⟶ Na₂SO₄ + 2CO₂ + 2H₂O

n/mol:         6

1. Use the molar ratio of NaHCO₃ to calculate the moles of NaHCO₃.

\text{Moles of NaHCO$_{3}$ = 6 mol H$_{2}$SO$_{4}$} \times \dfrac{\text{2 mol NaHCO$_{3}$}}{\text{1 mol H$_{2}$SO$_{4}$}}\\=\text{12 mol NaHCO$_{3}$}

2. Use the molar mass of NaHCO₃ to calculate the mass of NaHCO₃.

\text{Mass of NaHCO$_{3}$ = 12 mol NaHCO$_{3}$} \times \dfrac{\text{84.01 g NaHCO$_{3}$}}{\text{1 mol NaHCO$_{3}$}}\\\\= \text{1000 g NaHCO$_{3}$}

You must use \boxed{\textbf{1000 g}} of NaHCO₃.

8 0
3 years ago
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