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Phantasy [73]
4 years ago
14

What causes the shielding effect to remain constant across a period?

Chemistry
1 answer:
Ivanshal [37]4 years ago
5 0
Electrons are added to the same principal energy level.
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Identify the limiting reactant when 7.81 g of HCl reacts with 5.24 g of NaOH to produce NaCl and H2O
elena55 [62]

Answer:

NaOH is limiting

Explanation:

                                 Hcl   +    NaOH   ------------      Nacl   + H2O  

Given                     7.81g        5.24g

mol weights           1+35.5     23+16+1

                                 36.5            40

No of Moles        7.81/36.5       5.24/40  

                             0.2139              0.131

No of moles = weight/ molecular weight

No of moles of NaOH is  lower so it is limiting as according to equation one mole of Hcl requires mole of NaOH so equal number of moles are required. NaOH is 0.131 which is far lower than 0.2139

-------- represents arrow in forward direction in equation

7 0
3 years ago
Ethyl acetate can be prepared by an SN2 reaction. Draw the alkylbromide and nucleophile used in the reaction. Remember to includ
bulgar [2K]

Answer:

Few important points related to S_N2 reaction:

1. S_N2 is a one-step reaction that follows second order kinetics.

2. In S_N2 reaction, a transition state is formed in situ.

3. Strong nucleophiles like OH^- \ or\  CN^- are used in case of bi-molecular nucleophilic substitution reaction.

Ethyl acetate can be prepared by a second-order nucleophilic substitution reaction between acetic acid and ethyl bromide.  

The reaction between acetic acid and ethyl bromide is drawn below:

8 0
3 years ago
Read 2 more answers
The volume of hcl gas required to react with excess magnesium metal to produce 6.82 l of hydrogen gas at 2.19 atm and 35.0 °c i
Musya8 [376]
The answer would be 34
8 0
3 years ago
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A bond where the electrons are shared equally is called a(an) ________ bond.
zubka84 [21]
Metallic bonds result when electrons are shared equally.

7 0
4 years ago
What is the name of the organization where Chris brown works?
Nitella [24]

Answer: Chris Brown has launched a charity organization called the Symphonic Love Foundation.

Explanation:

8 0
2 years ago
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