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xxTIMURxx [149]
3 years ago
11

If a nitrogen atom has a -3 net charge, how many electrons does it have?

Chemistry
1 answer:
malfutka [58]3 years ago
8 0

Answer:

If the nitrogen atom is a neutral atom, it will have seven electrons orbiting the nucleus of the atom. This is because neutral atoms get their neutral...

Explanation:

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What are the differences between proton, neutron, and electron
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A proton is positive energy, a neutron is neutral, and an electron is negative charge. Protons and neutrons are in the nucleus of an atom and electrons are on the electron cloud.
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3 years ago
An antacid tablet weighing 0.833 g contained calcium carbonate as the active ingredient, in addition to an inert binder. When an
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Answer:

1.852 g of CO2 were produced in the chemical reaction

Explanation:

The problem is pretty simple. We can write down the chemical reaction that is involved to help us understand better what is going on in the process:

CaCO3 (aq) + HAc (aq) → CaAc (aq) + CO2 (g) + H2O (l)

Let's think this through: we have a tablet that has an active compound (CaCO3) and an inert substance that weighs 0.833 g. When we add 58.072 g of an acid solution (represented in the equation as HAc because we are not told specifically which acid is being added), CO2 is formed and released from solution as gas leaving us with an aqueous solution that weighs 57.053 g.

Having said that, we know that the only mass lost during the reaction is due to the formation of CO2 gas. Therefore, we sum the reactants (the tablet + the acid solution) and subtract the mass of the remnant solution. This value will indicate us the amount of CO2 formed:

0.833 g of the Tablet + 58.072 g from the Acid solution = 58.905 g

58.905 g of reactants - 57.053 g of remnant solution = 1.852 g of produced CO2.

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3 years ago
2. Draw a picture of your home. Where does the sun rise relative to your house? Where does the sunset? On the picture, indicate
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Answer:

sun rises in the east so to the right of the front of your house and sets to the left which is south.

Explanation: what i just said

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Erosion
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