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Ray Of Light [21]
3 years ago
13

How many atoms in the formula Be (NO3)2

Chemistry
1 answer:
Pachacha [2.7K]3 years ago
3 0
The compound calcium nitrate consists of a total of nine atoms<span>, including </span>one atom <span>of calcium, two of nitrogen and six of oxygen.</span>
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For the given reaction, according to the Law of Conservation of Energy, the energy required to decompose Hcl and produce H_{2}+c l_{2} are equal.

Answer: Option C

<u>Explanation:</u>

According to law of conservation's of energy, energy can only be transferred from reactants to product side. So in this process, it is stated that 185 kJ of energy will be needed to decompose it. So that 185 kJ of energy will be getting transferred to produce the creation of hydrogen and chloride in the product side.

So if we see from the reactants side, the energy of 185 kJ is required for decomposition of hydrogen chloride. Similarly, if we see from the product side, the 185 kJ utilized for decomposition is transferred as energy required to create hydrogen and chlorine atoms. This statement will be in accordance with the law of conservation's of energy.

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Scientists use the scientific method all the time to help them understand things about certain topics. The scientific method is a list of steps that are used before, during, and after the experiment. The scientific method can help prove hypothesis about things and can tell you the outcome of the experiment.

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why does ice float on water? the temperature of ice is lower than the temperature of water. the temperature of water and ice are
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The density of ice is less than the density of water.

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