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ira [324]
3 years ago
13

The electron config for 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p3​

Chemistry
1 answer:
nadya68 [22]3 years ago
3 0

Answer:

I don't understand what you are asking

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KBr(aq) + NaCl(aq) =
torisob [31]
It’s ionic
KCl(at)
Potassium chloride
7 0
3 years ago
Why are the electrons in a nitrogen-phosphorus covalent bond not shared equally? which atom do the electrons spend more time aro
a_sh-v [17]
<span>Electrons in a nitrogen-phosphorus covalent bond are not shared equally because nitrogen and phosphorus do not have the same electronegativity. The atoms spend more time around the most electronegative atom nitrogen.</span>
6 0
3 years ago
What is the position of an element in the periodic table if its electron configuration is 1s2 2s2 2p6 3s2 3p5
OlgaM077 [116]
The element in the periodic table with the provided electron configuration is Chlorine. Cl it is found as in element in Group 7 of the periodic table.
4 0
3 years ago
Read 2 more answers
A sample of natural rubber (200.0 g) is vulcanized, with the complete consumption of 4.8 g of sulfur. Natural rubber is a polyme
nasty-shy [4]

Answer: 1.3% many crosslinks as isoprene units,  

Explanation:

Given:

mass pf natural rubber= 200.0g

mass of sulphur = 4.8g

molar mass of sulphur =32g/mol

molar mass of isoprene = C5H8=( 12x5) +(1x8)= 68g/mol

Solution: we first find no of moles present in each  using

no of moles = \frac{mass}{molarmass}

Isoprene: 200.0g x [1mole / 68g] = 2.94moles.

Sulfur: 4.8g x [1mole / 32g] x [1 mole crosslinks / 4 moles S] = 0.0375 moles crosslinks.

to find % crosslinked units, we have  

0.0375 / 2.94 = 1.3% as many crosslinks as isoprene units,  

3 0
3 years ago
Use the following table to answer the question. Strong acids Weak acids Weak bases Strong bases HBr CH3COOH NH3 NaOH HCl HF NH4O
Y_Kistochka [10]

Answer: The salt which has the highest pH is CH_3COONa

Explanation: Salts are formed by the reaction of acid and base. General equation for the generation of salt is given by:

HX+BOH\rightarrow BX+H_2O

The given salts are formed from the reaction of acids and bases.

1) K_2SO_4

This is a salt formed by the reaction of strong base (KOH) and strong acid (H_2SO_4) . So, this salt is a neutral salt.

H_2SO_4+2KOH\rightarrow K_2SO_4+2H_2O

2) CuSO_4

This is a salt which is formed by the reaction of weak base (Cu(OH)_2) and strong acid (H_2SO_4). So, this salt is an acidic salt.

H_2SO_4+Cu(OH)_2\rightarrow CuSO_4+2H_2O

3) NH_4Cl

This is a salt which is formed by the reaction of weak base (NH_3) and strong acid (HCl). So, this salt is an acidic salt.

HCl+NH_3\rightarrow NH_4Cl

4) CH_3COONa

This is a salt which is formed by the reaction of  strong base (NaOH) and weak acid (CH_3COOH). So, this salt is a basic salt.

CH_3COOH+NaOH\rightarrow CH_3COONa+H_2O

Now, we have to find the salt which has the highest pH value.

Highest pH value means that the salt must be basic in nature and from the given salts, only CH_3COONa is basic salt. Hence, this salt has the highest pH value.

6 0
3 years ago
Read 2 more answers
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