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Fiesta28 [93]
2 years ago
10

Please follow meWhat is science ?​

Chemistry
1 answer:
bonufazy [111]2 years ago
6 0
<h2>Explanation:</h2><h3>the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment. </h3>

<h3>"the world of science and technology"</h3><h3>Similar:</h3><h3>branch of knowledge</h3><h3>area of study</h3><h3>discipline</h3><h3>field</h3><h3>a particular area of science.</h3><h3>plural noun: sciences</h3><h3>"veterinary science"</h3><h3>a systematically organized body of knowledge on a particular subject.</h3><h3>"the science of criminology" </h3>

<h3>Translations and more definitions</h3><h3>Learn new words</h3><h3>Which word is similar to science?</h3><h3>Discipline</h3><h3>or</h3><h3>Discussion</h3><h3>Question 1 of 5</h3><h3>Feedback</h3>

<h3>Science, any system of knowledge that is concerned with the physical world and its phenomena and that entails unbiased observations and systematic experimentation. ... In general, a science involves a pursuit of knowledge covering general truths or the operations of fundamental laws. </h3>

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Electronegativities of the elements Be, Mg, Ca, and Sr follow a specific trend within their group. Based on this trend, the atom
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Sr

Explanation:

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Which object represents a simple machine? A)battery B)pliers C)Match D)candle
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Balance the following equations: (c) H2(g)+I2(s)⟶HI(s)H2(g)+I2(s)⟶HI(s)
kenny6666 [7]

Answer: H_2(g)+I_2(g)\rightarrow 2HI(s)

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

Thus in the reactants, there are 2 atoms of hydrogen and 2 atoms of iodine .Thus there has to be 2 atoms of hydrogen and 2 atoms of iodine in the product as well. Thus a coefficient of 2 is placed in front of HI.

The balanced chemical reaction is:

H_2(g)+I_2(g)\rightarrow 2HI(s)

6 0
3 years ago
What product is obtaned when carbon is
kirza4 [7]

Answer:

carbon dioxide

Explanation:

Carbon burns in oxygen to form carbon dioxide. Since hydrocarbon fuels only contain two elements, we always obtain the same two products when they burn. In the equation below methane (CH 4) is being burned. The oxygen will combine with the carbon and the hydrogen in the methane molecule to produce carbon dioxide (CO 2) and water (H 2O).

Carbon, as graphite, burns to form gaseous carbon (IV) oxide (carbon dioxide), CO2. ... When the air or oxygen supply is restricted, incomplete combustion to carbon monoxide, CO, occurs. 2C(s) + O2(g) → 2CO(g) This reaction is important. When one mole of carbon is exposed to some energy in the presence of one mole of oxygen gas, one mole of carbon dioxide gas is produced. This reaction is a combustion reaction.

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3 years ago
A chemical might be used to melt ice if it raises the temperature of the ice. This best type reaction to accomplish this would b
Setler79 [48]
<h2>Answer:</h2>

B) endothermic reaction.

<h2>Explanation:</h2>

Melting of ice is endothermic because it is taking heat from the environment, feeling cold, because it requires energy to break the ice bonds. It's also why you feel cold when wet it takes energy to evaporate water. The ice absorbs the energy from the environment. Its internal potential energy increases, therefore, it's endothermic. It also increases the entropy of reaction.

7 0
3 years ago
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