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hram777 [196]
3 years ago
7

Round the nearseat whole number how many neutrons on average are in atom of osmium?

Chemistry
1 answer:
Anettt [7]3 years ago
7 0

Answer:

jdjdjdhjxjxjchxjxjkxjxjxhxnxkjcjcjcj

Explanation:

sorry i just need point lolllllllllll

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Corrections here: 1. When calcium reacts with water, the temperature changes from 18c to 39c
Ugo [173]

When calcium reacts with water, the temperature changes from 18c to 39c is an exothermic reaction as energy is releasing and increasing the temperature.

<h3>What is an exothermic reaction?</h3>

Exothermic reaction are those reactions in which energy is released when a reaction completes.

An example is burning of wood.

Thus, when calcium reacts with water, the temperature changes from 18c to 39c is an exothermic reaction as energy is releasing and increasing the temperature.

Learn more about exothermic reaction

brainly.com/question/10373907

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1 year ago
The Bohr model of the atom explained why emission spectra are discrete. It could also be used to explain the photoelectric effec
muminat
<span>d)Electrons need specific amounts of energy to "jump" off an atom and be emitted.</span>
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3 years ago
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Does the mass of water increase or decrease when it changes to ice
NikAS [45]

Answer:

The mass stays the same only volume changes, the volume decreases

Explanation:

The ice shrinks (decreases volume) and becomes more dense. The weight will not (and cannot) change.

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3 years ago
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Solid Magnesium reacts with a Iron (II) Chloride solution -&gt;
photoshop1234 [79]

Answer:

Magnesium + iron chloride   →    iron + magnesium chloride

Explanation:

It is the single replacement reaction.

Single replacement:

It is the reaction in which one elements replace the other element in compound.

AB + C → AC + B

Molecular equation:

Magnesium + iron chloride   →    iron + magnesium chloride

Chemical equation:

Mg(s)  + FeCl₂(aq)       →     MgCl₂(aq) + Fe(s)

Ionic equation:

Mg(s)  + Fe²⁺(aq) + 2Cl⁻(aq)       →     Mg²⁺(aq) + 2Cl⁻(aq) + Fe(s)

Net ionic equation:

Mg(s) + Fe²⁺(aq)      →   Fe(s) + Mg²⁺(aq)

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2 years ago
What is the relationship between the number of chromosomes in sperm/egg cells compared to regular cells?
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each sex cell has 23 unpaired cells, a regular cell would have 46.
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