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Ede4ka [16]
3 years ago
5

An atom gets over all positive charge by ____ _______

Chemistry
1 answer:
Rasek [7]3 years ago
4 0
<h2>Answer:</h2>

Nucleus.

<h2>Explanation:</h2>
  • In an atom the nucleus has an overall positive charge as it contains the protons.
  • Every atom has no overall charge (neutral). While atoms do contain charged particles, they have the same number of positive protons as negative electrons( for example a sodium atom has 11 electrons which are of negative charge and 11 protons which are of positive charge).
  • These opposite charges cancel each other out making the atom neutral.

Result: Nucleus is the overall positive charge of an atom.

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Answer:

Addition of a catalyst can speed up a reaction by providing an alternate reaction pathway that has a lower activation energy

Explanation:

A catalyst is an agent that increases the rate of a chemical reaction by providing an alternate pathway for the reaction that requires a lower activation energy. As the requirement for activation energy is less in the presence of a catalyst, there are more reactant particles becoming involved in the chemical reaction and as such there are more products formed per unit time, or there is an increase in the rate of the reaction

Example of catalyst include

1. Addition of potassium permanganate to hydrogen peroxide to aid in the rapid decomposition into water and oxygen

2. Platinum serves as a catalyst in the complete combustion of carbon monoxide into carbon dioxide.

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You have 255 mL of a 1.5 M solution, how much liquid do you need to BOIL AWAY to increase the molarity to 2.5 M?
Lera25 [3.4K]

Answer:

102ml

Explanation:

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  2. when you get it you then subtract the final volume that you got from the initial volume because they asked from the question what liquid do u need to boil away
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Which substance is most likely to heat up the fastest?
ddd [48]
The best substance to heat up the fastest would be blue fire
7 0
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Oxygen Supply in Submarines Nuclear submarines can stay under water nearly indefinitely because they can produce their own oxyge
andrew11 [14]

Answer:

0.025 L

Explanation:

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4OH^-(aq) -----> 2H2O(l) + O2(g) + 4e

Since 1 F = 96500C

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From the reaction equation;

4 * 96500 C yields 22.4 L of oxygen

(3 * 60 * 60 *  0.0400) C yields (3 * 60 * 60 *  0.0400) * 22.4/4 * 96500

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2 years ago
The sun’s core is made of solid rock. True or false
KengaRu [80]

Answer:

False

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Heres what its made of:

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8 0
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