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viktelen [127]
3 years ago
12

1. Which property makes metals good conductors of electricity?

Chemistry
1 answer:
Y_Kistochka [10]3 years ago
3 0

Answer:

I think it will be A

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Consider the following precipitation reaction: Pb(NO3)2(aq) + 2KI(aq) → PbI2(s) + 2KNO3(aq). Which ions are spectator ions? pls
Marta_Voda [28]

Potassium and Nitrate ions are spectator ions in the reaction:

Pb(NO_3)_2(aq) + 2KI(aq) → PbI_2(s) + 2KNO_3(aq).

<h3>What are spectator ions?</h3>

Ions that are not involved in the actual chemical reaction are called spectator ions.

A precipitation reaction occurs when two ionic compounds react to produce a precipitate and an insoluble substance which stays in the solution as a spectator ion.

Hence, Potassium and Nitrate ions are spectator ions in the reaction:

Pb(NO_3)_2(aq) + 2KI(aq) → PbI_2(s) + 2KNO_3(aq).

Learn more about the spectator ions here:

brainly.com/question/14050476

#SPJ1

6 0
2 years ago
Which of the following forces is responsible for accretion?
Makovka662 [10]

Answer:

It's explained by nebular theory, which describes the forces and processes at play as a nebula spins and accretes into a star and its planets orbiting it. A key piece of information to always keep in mind is that the force of gravity is responsible for accretion and all the objects it forms.

Explanation:

I hope this helps my mom helped me with this question too

8 0
3 years ago
1. Which is a substance that cannot be broken down into another substance?
grandymaker [24]

Answer:

Atom

Explanation:

my theory:

Atoms are their own substance. It's atom because if you tried to break an atom, you would be going into nuclear physics. That would be unsafe and dangerous.

3 0
3 years ago
Why is the formation of rust, iron oxide, considered a chemical change?<br>​
Kipish [7]

It is irreversible involving the arrangement of the atoms.

7 0
3 years ago
What would happen to the temperature if the pressure of a gas is increased and the volume is constant?
matrenka [14]

it will have no chance, remain the same

8 0
4 years ago
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