Why do neutral atoms form ions?

1 answer:

8 0

Since they can still be unstable...nuetral atoms have the same amount of protons to electrons but to be stable they need to fill up there outer shell by gaining or losing electrons

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How many moles of Chromium(III) nitrate (Cr(NO3)3) are produced when Chromium reacts with 0.85 moles of Lead(IV) nitrate (Pb(NO3

Sedbober [7]

Answer:

$0.64molCr(NO_3)_3$

Explanation:

Hello there!

In this case, according to the given chemical equation, it turns out possible for us to realize there is a 4:3 mole ratio of chromium(III) nitrate to lead(IV) nitrate, and therefore, we can calculate the moles of the former by applying the shown below stoichiometry setup:

$0.85molPb(NO_3)_4*\frac{3molCr(NO_3)_3}{4molPb(NO_3)_4} \\\\0.64molCr(NO_3)_3$

Regards!

7 0

3 years ago

During a reaction, the enthalpy of formation of an intermediate is 34 kJ/mol. During the reaction, 4 moles of the intermediate a

Lapatulllka [165]

The enthalpy change for the formation step of this intermediate is 136 kJ/mol.

<h3>What is the enthalpy?</h3>

The enthalpy of reaction can be obtained from the enthalpies of formation of the species involved. The enthalpy of reaction is the heat evolved or absorbed in a reaction.

Thus, the enthalpy change for the formation step of this intermediate is 4 * 34 kJ/mol = 136 kJ/mol.

Learn more about enthalpy change:brainly.com/question/4526346

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7 0

2 years ago

What do you predict will happen to the volume inside a container when pressure & temperature remains constant but the number

Pani-rosa [81]

Answer:

<u>increase</u>

Explanation:

<u>The Ideal Gas Equation</u>

PV = nRT
V = nRT/P
V ∝ n

The volume of a gas is directly proportional to the number of moles it contains. Hence, if the number of particles is increased, then the volume inside the container will <u>increase</u>

7 0

2 years ago

An element's atomic number (ID number) is equal to the number of ______ that element has.

Veronika [31]

I’m pretty sure it is number of protons

5 0

3 years ago

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I really need to know Which of the following is a moral issue?

uysha [10]

Answer:

Explanation: