3 years ago

How does acid affect limestone?

Chemistry

1 answer:

Andrej [43]3 years ago

7 0

Answer:

It reacts by fizzing and wearing away/dissolving the rock.

Explanation:

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18. Use the activity series to predict whether the following synthesis reaction will occur. Write the chemical equations for the

MAXImum [283]

Answer: The chemical reaction for the synthesis reaction is given below.

Explanation:

Synthesis reaction is defined as a chemical reaction in which two small chemical substances combine together to form a single compound. The general equation for this chemical reaction follows:

$A+B\rightarrow AB$

For the reaction of calcium and oxygen combining together to form calcium oxide, the equation follows:

$2Ca(s)+O_2(g)\rightarrow 2CaO(s)$

By Stoichiometry,

2 moles of calcium element combines together with 1 mole of oxygen gas to produce 2 moles of calcium oxide.

Hence, the chemical equation for the reaction is given above.

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3 years ago

Which one is the odd one out between melting and evaporating

Kaylis [27]

Evaporating is the right one

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4 years ago

2. A 90 g bag of trail mix is contains 22% nuts, 35% granola, 18% dried fruit. The rest is chocolate chips.

elena-14-01-66 [18.8K]

There are:

19.8g of nuts (90x0.22=19.8)
31.5g of granola (90x0.35=31.5)
16.2g of dried fruit (90x0.18=16.2)
22.5g of chocolate chips (90x0.25=22.5)

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3 years ago

True or false? Covalent molecules are formed when non-metal atoms share electrons with other non-metal atoms.

Tomtit [17]

Answer:

true

covalent bonds are between non metals and nonmetals. and they are sharing electrons.

7 0

3 years ago

Balance the following equation CH₄ + O₂ → CO₂ + H₂O

nalin [4]

Answer:

CH4 + 2 O2 - - - > CO2 + 2 H2O

Explanation:

hope this helps,

you can check by adding all the numbers on both sides

please mark it

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3 years ago