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2 years ago

Why is it harder to break an ionic bond than a covalent? Need answer asap!

Chemistry

1 answer:

Pavel [41]2 years ago

5 0

Answer:

The greater the energy required to break a bond, the stronger that bond must be.

Explanation:

Most iconic bonds are considerably stronger, more difficult to break, than covalent bonds.

Hope this helps! :) x

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Phone / she /me / the / not / at / weekend / did

Ann [662]

Answer:

is this rearrange words then it would be

she did not phone me at the weekend

I hope it helps

4 0

2 years ago

Calcium nitrate tetrahydrate dissolves in cold water to the extent of 266 g per 100 cm3. What is the concentration of nitrate io

Soloha48 [4]

Answer : The correct option is, (b) 22.5 M

Explanation : Given,

Mass of calcium nitrate tetrahydrate = 266 g

Molar mass of calcium nitrate tetrahydrate = 236.15 g/mole

Volume of solution = $100cm^3=100mL$

Molarity : It is defined as the moles of solute present in one liter of solution.

Formula used :

$Molarity=\frac{\text{Mass of calcium nitrate tetrahydrate }\times 1000}{\text{Molar mass of calcium nitrate tetrahydrate }\times \text{volume of solution in ml}}$

Now put all the given values in this formula, we get:

$Molarity=\frac{266g\times 1000}{236.15g/mole\times 100ml}=11.26mole/L=11.26M$

As calcium nitrate tetrahydrate dissociate to give 1 mole of calcium ion, 2 moles of nitrate ion and 4 moles of water.

The concentration of nitrate ion = $2\times 11.26M=22.5M$

Thus, the concentration of nitrate ion is, 22.5 M

4 0

3 years ago

Beakers A, B, C, and D shown below each contain a different aqueous

Nataly_w [17]

Answer: a n b

Explanation:

4 0

2 years ago

Ethanol absorbs more energy than water because it has a lower heat capacity True or false?

Bess [88]

Answer:

False

Explanation:

It makes sense

~Plz tap the crown~

~Thank you~

5 0

2 years ago

Consider these elements: p, ca, si, s, ga. a. write the electron configuration for each element

dimulka [17.4K]

Method:

1) Find the atomic number in a periodic table: the number of electrons equal the atomic number

2) Use Aufbau rule

Element atomic number electron configuration

P 15 1s2 2s2 2p6 3s2 3p3

Ca 20 1s2 2s2 2p6 3s2 3p6 4s2

Si 14 1s2 2s2 2p6 3s2 3p2

S 16 1s2 2s2 2p6 3s2 3p4

Ga 31. 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p

7 0

3 years ago