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balandron [24]
3 years ago
12

In a chemical reaction, energy may be released in what forms

Chemistry
2 answers:
Ipatiy [6.2K]3 years ago
7 0
Exothermic reactions
bezimeni [28]3 years ago
7 0
In a chemical reaction, energy may be released in exothermic reaction. One example may be the reaction of water with H2SO4.

The opposite is endothermic reaction such as ice melting
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The mass number of an atom is the sum of the atomic number and<br> the number of..
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The answer here is neutrons
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A mover packs books, CDs, and DVDs into a moving box. If the box contains 6.5 kg of books, 1.5 kg of CDs, and 2.0 kg of DVDs, wh
mariarad [96]
Given: 
<span>M1 = 6.5 kg of books
</span><span>M2 = 1.5 kg of CDs
</span><span>M3 = 2.0 kg of DVDs

Required: percent by mass of each object

Solution:
First, we calculate the total mass.

M = 6.5 kg + 1.5 kg + 2.0 kg =  10 kg

Percent by mass is calculated by getting the ration of the mass of an object and the total mass multiplied by 100 to get the percent.

%M1 = 6.5 / 10 x 100 = 65%
%M2 = 1.5/10 x 100 = 15%
%M3 = 2.0/10 x 100 = 20%</span>
4 0
3 years ago
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What is the difference between intermolecular forces and intramolecular forces
MrMuchimi

Answer:

Intramolecular forces are the forces that hold atoms together within a molecule. Intermolecular forces are forces that exist between molecules.

Explanation:

Examples: Intermolecular forces are categorized into dipole-dipole forces, London dispersion forces and hydrogen bonding forces.

Intramolecular forces are categorized into covalent, ionic and metal bonds

6 0
2 years ago
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How would the amount of force needed to keep the kite in the air change if it were made out of a heavier material instead of a l
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3 years ago
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Which list of elements consists of a metal, a metalloid, and a nonmetal?
Irina18 [472]

Answer:

Sn, Si, C

Explanation:

8 0
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