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gladu [14]
3 years ago
7

Please help. Im not a very smart person

Chemistry
1 answer:
GenaCL600 [577]3 years ago
7 0
Either it’s, it is released when the reaction is complete or it is changed into atoms of carbon and oxygen during the reaction
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Which sample of matter is classified as a solution? 1. H2O(s) 2. H2O(l) 3. CO2(g) 4. CO2(aq)
lys-0071 [83]

Answer : Option 4) CO_{2}_{(aq)}

Explanation : CO_{2}_{(aq)} is the only sample of matter which can be classified as a solution. As the solution can be defined as a liquid mixture which contains a minor component (the solute) that is uniformly distributed within the major component (the solvent).

In this case, the solute is CO_{2} which is dissolved in water which acts as an solvent. Also, it has a subscript which is aq. which means aqueous, is often given to the solution in which the solvent is water.

Therefore, CO_{2}_{(aq)} is the correct answer.

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Answer:

The Axis Powers took these aggressive actions prior to the outbreak of World War II which include the invasion of Ethiopia, Manchuria, and the Rhineland.

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Axis Powers: It was the coalition of Germany, Italy and Japan against the <em>Allied Powers</em> (the United States, the Soviet Union, Great Britain, and China) in World War II.

  1. In 1930, the Japanese took control of railway track in Manchuria (a region in China) and in  1931, the Japan attacked the Chinese army claiming that the Chinese soldiers sabotaged the railway.
  2. On 3 October 1935, Italy invaded the Ethiopia (former name: Abyssinia) in the leadership of <em>Mussolini </em>to expand its territories.
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Answer:

400°C

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22,000 cal / (0.11 cal/g°C x 500 g) = 400°C

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Atoms have no electric charge because the protons and electrons "cancel out" each others charges. Neutrons have no charge. What is the atomic number of an element? The atomic number is the number of protons in the atom's nucleus.

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