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7nadin3 [17]
3 years ago
11

Hello! is it anyone thats up here can help me with this question please anyone​

Chemistry
2 answers:
Irina18 [472]3 years ago
4 0

Answer:

Explanation:

What's the question?

liberstina [14]3 years ago
3 0

Answer:

Where is the question???

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Consider the following precipitation reaction (balanced). precipitation reaction: 2NH4Br(aq)+Pb(C2H3O2)2(aq)⟶2NH4C2H3O2(aq)+PbBr
sweet [91]

Answer:

Pb2+ (aq) & 2Br- (aq) --> PbBr2 (s).

Explanation:

Equation of the reaction:

Pb(C2H32O2)2 (aq) + 2 NH4Br (aq) --> 2NH4C2H3O2 (aq) + PbBr2 (s)

Ionic equation:

Pb+2(aq) + 2(C2H3O2)-1 (aq) + 2(NH4+) (aq) + 2Br-1 (aq) --> 2(NH4+) (aq) + 2(C2H3O2-) (aq) + PbBr2 (s)

2(NH4)+1(aq) & 2(C2H3O2)-1 (aq) cancel out from both sides, you are left with the net ionic equation :

Pb2+ (aq) & 2Br- (aq) --> PbBr2 (s).

6 0
3 years ago
Please someone help me ASAP I'm confused.
Hatshy [7]
An element. Elements are found in the periodic table.
3 0
3 years ago
Being able to curl your tongue is a recessive trait (t), while not being able to curl your tongue is a dominant trait (T).
gizmo_the_mogwai [7]
Should be this. you can’t have any of these listed below since they both rain recessive traits. recessive traits aren’t able to be created in the dihybrid. btw i did the simplified grid since they produce the same gametes. i could be wrong though (:

6 0
4 years ago
Kidneys help regulate the concentration of which substance in the blood?
krek1111 [17]
Bicarbonate, sodium, potassium
are regulated by the kidneys.
3 0
3 years ago
Which of the following Group 17 elements is the least reactive?
satela [25.4K]

The given question is incomplete. The complete question is :

Which of the following Group 17 elements is the least reactive

a) Flourine

b) Chlorine

c) Astatine

d) Iodine

Answer: c) Astatine

Explanation:

Halogen is the name given to Group 17 family with general electronic configuration of ns^2np^5 which have 7 valence electrons and thus easily gain one electron to attain stable configuration.

As we move down the group from flourine to chlorine to bromine to iodine to astatine , the valence shell moves farther from nucleus and thus tendency to accept the electron decreases and thus reactivity also decreases.

Thus Astatine is the least reactive of all.

7 0
3 years ago
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