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Scrat [10]
3 years ago
7

Complete the following combustion reaction

Chemistry
1 answer:
Talja [164]3 years ago
5 0

Answer:n(CO2) = 11.4 mol.

Explanation:

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Why do the atoms in a piece of copper metal have no net charge?
Marat540 [252]

Answer;

-The charges of the positive and negative copper ions cancel each other out.

Explanation;

-A normal atom has a neutral charge with equal numbers of positive and negative particles.That means an atom with a neutral charge is one where the number of electrons is equal to the atomic number.

-Atoms are electrically neutral because they have equal numbers of protons (positively charged) and electrons (negatively charged). If an atom gains or loses one or more electrons, it becomes an ion. If it gains one or more electrons, it now carries a net negative charge, and is thus anionic.

6 0
3 years ago
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Which structure of the respiratory system connects the pharynx to the trachea?
muminat
Larynx connects the pharynx to the trachea and is also part of the respiratory system
6 0
3 years ago
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Whenever chemical bonds are broken, energy is . whenever chemical bonds form, energy is?
Lostsunrise [7]
Required; released.

Think of a bond as like a wooden board. You have to put in energy to break it.
3 0
3 years ago
If HCr2O7 is titrated with Ca(OH)2, what is the balanced chemical equation of this neutralization reaction?
Harrizon [31]

Answer:

2HCr2O7(aq) + Ca(OH)2(aq) --> 2H2O(l) + Ca(Cr2O7)2

Explanation:

A neutralization reaction produces water and a salt. Since Ca(OH)2 has two hydroxides, two water molecules are produced, which means you also need two molecules of the acid. Having two molecules of the acid also ensures that you have two dichromates on both sides.

6 0
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A scientist observes several metals and records the followinv data.which of the data sets represents qualitative data?A The máss
Strike441 [17]
The answers C and D are correct.
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3 years ago
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