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Fittoniya [83]
3 years ago
6

4. What happens to the bond angle when you add or remove an electron domain?

Chemistry
1 answer:
Vaselesa [24]3 years ago
4 0

Answer:

Bond angle is affected by the presence or addition of lone pair of electrons at the central atom. Due to this, the bonds are displaced slightly inside resulting in a decrease of bond angle, and when you remove an electron domain the bond angle increases.

Explanation:

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4. Which of the following statement is correct about heating washing soda?
GenaCL600 [577]

Answer:

d) all are correct

Explanation:

5 0
3 years ago
The ΔHvap of a certain compound is 47.45 kJ·mol−1 and its ΔSvap is 59.15 J·mol−1·K−1. What is the boiling point of this compound
podryga [215]

Answer:

802.2 K

Explanation:

To solve this problem we can use the formula:

  • Tb = ΔHvap / ΔSvap

Where Tb is the boiling point (in K).

We already know the values of both ΔHvap and ΔSvap, so we calculate Tb:

  • ΔHvap = 47.45 kJ·mol⁻¹ = 47.45x10³J·mol⁻¹

Tb = 47.45x10³J·mol⁻¹/59.15 J·mol⁻¹·K⁻¹

  • Tb = 802.2 K

So the boiling point of the compound is 802.2 K (or 529 °C)

7 0
3 years ago
2. If I have 45 g of Carbon, to find the number of moles of carbon I would *
Sati [7]

Answer:

divide by molar mass (12.01 g)

Explanation:

To find the number of moles of the carbon, divide by molar mass (12.01 g).

The number of moles of a substance is given as;

           Number of moles  = \frac{mass}{molar mass}

To solve this problem;

  since mass of carbon  = 45g

                Number of moles  = \frac{45}{12.01}   = 3.75moles

3 0
3 years ago
Read 2 more answers
3)<br> How many atoms are in 14 moles of cadmium?
andre [41]

Answer:

8.4322\times10^{24} atoms atoms are in 14 moles of cadmium.

Explanation:

Cadmium is a white and  silvery  metal  that is found in the curst of the earth.During the  production process of metals such as lead, copper, zinc, cadmium is extracted

Cadmium is present in some foods and is emitted when fossil fuels like as coal and oil is used, smoking cigarettes. It is used in craft glazes, metal batteries, and coatings.

We know that 1 mole of  Cadmium (Cd contains) 6.023*1023 atoms, which is Avogadro's number.

So in 14 Grams of Cadmium, the number of atoms present is,

=>14×number atoms present in one cadmium atom

=>14\times 6.023\times10^{23}

=>8.4322\times10^{24} atoms

5 0
4 years ago
What are thermal plasmas? A) Plasmas that have particles that collide infrequently... B) plasmas that reach a temperature equal
OleMash [197]
Plasma's that reach a temperature equal to their surroundings
someone already asked this question by the way you should search it next time so you don't waste any points : )
6 0
3 years ago
Read 2 more answers
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