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jek_recluse [69]
2 years ago
10

What is the difference between fusion and melting?

Chemistry
1 answer:
photoshop1234 [79]2 years ago
4 0
Fusion is joining two or more things together in resulting of the form of one thing
Melting is to make something liquefied by the use of heat
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Acid rain is a dilute solution of acids that dissolve the calcium carbonate in limestone statues. Concentrated acids can dissolv
REY [17]

Answer:

See the answer below

Explanation:

A weak solution of acid would gradually dissolve the calcium carbonate in limestone statues. For example, dilute sulphuric acid formed from the dissolution of SO2 in rainwater would react with calcium carbonate according to the following equation;

    H_2SO_4(aq)+CaCO_3(s)-->CaSO_4(s)+CO_2(g)+H_2O (l)

<em>Generally, the rate of any reaction depends on a host of factors such as temperature, pressure, presence of catalysts, and surface area of reactants. The higher the surface area of reactants, the higher the rate of reaction.</em>

In this case, the rate of reaction of the dilute acid and the calcium carbonate depends on the surface area of the calcium carbonate which happens to be the only solid reactant. <u>Statues with intricate carvings seem to break down more quickly than ordinary statues because they offer more surface area for reaction to take place</u>. The intricate carvings create more surface area for reactions when compared to statues without intricate carvings.

7 0
2 years ago
What is the molar concentration (molarity) of a solution made by dissolving 0.285 moles of CaCl2(s) in just enough water to form
marusya05 [52]

Answer:

The answer to your question is Molarity = 0.238

Explanation:

Data

Molarity = ?

number of moles = 0.285

volume = 1.2 L

Molarity is a unit of concentration that relates the moles of a substance by the volume in liters.

Formula

Molarity = moles / volume

Substitution

Molarity = 0.285 / 1.2

Simplification and result

Molarity = 0.238

7 0
2 years ago
Are the cells in this image prokaryotic or eukaryotic
Bas_tet [7]

Answer:

Prokaryotic is the answer!

Explanation:

I know this because, the nucleolus is absent in the image.

PLZ MARK AS BRAINLIEST! HOPE THIS HELPS! :)

ps: i have the same profile photo lol, love it!

3 0
2 years ago
Provide an appropriate alkyne starting material A and intermediate product B. Omit byproducts. The number of carbon atoms in the
nadezda [96]

Answer:

C4H6 + 2HBr = C4H8Br2

Explanation:

Alkynes are organic molecules made of the functional group carbon-carbon triple bonds and are written in the empirical formula of CnH2n−2. They are unsaturated hydrocarbons.

Furthermore, Halogenation reaction of any alkyne such as but-2-yne with any of the hydro halogenated compounds such as HBr, HCl, HF or HI will give an alkane that will have the same number of carbon atoms in the starting material and in the final product.

Halogenation reaction is a reaction that occurs when one or more halogens are added to a substance. Halogens is the seventh column in the periodic table and it include fluorine, chlorine, bromine, iodine, and astatine.

6 0
3 years ago
What is the chemica composition if the sun
nadezda [96]
The sun is mostly Hydrogen with some helium. It also has traces of other elements like various metals.
7 0
2 years ago
Read 2 more answers
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