Persamaan kimia bagi magnesium
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What is the frequency of radiation that has a wavelength of 1.73 nm? (HINT: Don't forget that you have to convert nm to m first.)
Which of the following statements is true?Mutations provide organisms with what they "need" to survive.Microevolution is based on fossils, geology, and comparisons to living organisms.Both plants and animals are autotrophs because they can make their own food.Parasites often show cospeciation because they must evolve with ther hosts.
What has to be true of a substance for it to dissolve in water?
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The common uses of base if for the formation of salts in a neutralisation reaction.
What is neutralisation reaction?
Neutralisation reaction is a type of chemical reaction whereby salt and water is formed from the reaction of an acid and a base.
For example the reaction between NaOH and HCl leads to the formation of a salt called NaCl.
Therefore, the common uses of base if for the formation of salts in a neutralisation reaction.
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b. hydrogen bonding
c. chemical reaction
d. dissolving
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The process that changes one set of chemicals into another set of chemicals is called a chemical reaction. The correct answer is option c.
A chemical reaction is a process in which chemical bonds between atoms and molecules are broken and formed, resulting in the creation of new substances with distinct chemical properties.
In a chemical reaction, the reactants are the starting substances that react with each other, while the products are the new substances that are formed.
For example: When hydrogen gas reacts with oxygen gas in the presence of a spark or flame, a chemical reaction occurs that produces water as a product:
Therefore, a chemical reaction is the process of transforming one set of chemicals into another set of chemicals. Option c is the correct answer.
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Cohesion would be the process that changes one set of chemicals into another set of chemicals, as the reactants bond to bring the product, aka product(s).
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a x b x c
Therefore:
5.54 x 10.6 cm x 199 => 11,686.076 cm³
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The discoverer of the electron was Thomson. The model of the atom that is missing from the set is the Thomson’s model. J. J. Thomson portrayed his atom model to look like a plum pudding. In his model, he described that an atom is composed mainly of electrons.
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Most of the positively charged particles should bounce back at a range of angles as they collide with the atoms in the foil; only a few should pass straight through the foil.
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it is a lot like rust on metal it takes awhile but soon enough it will rust completely or turn the big rock into dust rocks.