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Semmy [17]
3 years ago
12

HELP 50 POINTS WILL BE AWARDED I need 3-5 sentences that explains the importance of reaction types (combustion decomposition syn

thesis single/double replacement) in determining products
Chemistry
1 answer:
Fofino [41]3 years ago
6 0

Explanation:

Combustion reaction: Type of a chemical reaction in which compound and an oxidant reacts together to form a new product with release of an energy in the form of heat.

Decomposition reaction: Type of a chemical reaction in which compound breaks down into two or more elements or into new compounds.

ABC →  A + B + C

Synthesis reaction: Type of a chemical reaction in which two or more than two reactant reacts together to form a single product.

A + B + C  →  ABC

Single replacement reaction: Type of a chemical reaction in which element reacts with a compound and takes the place of another element in the compound.

A + BC → BA + C

Double replacement reaction: Type of chemical reaction in which two compounds reacts is such a way that the cations and anions of the compounds exchange their places to form new products.

AB + CD  →  AD + CB

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Which of the following pairings usually forms molecular compounds?
nikdorinn [45]

A nonmetal and a nonmetal will make molecular compounds like H2O and CO2

7 0
3 years ago
Which ONE of the following is an oxidation–reduction reaction? A) PbCO3(s) + 2 HNO3(aq) ––––> Pb(NO3)2(aq) + CO2(g) + H2O(l)
sveta [45]

Answer:

E) C₂H₄(g) + H₂(g) ⇒ C₂H₆(g)

Explanation:

Which ONE of the following is an oxidation–reduction reaction?

A) PbCO₃(s) + 2 HNO₃(aq) ⇒ Pb(NO₃)₂(aq) + CO₂(g) + H₂O(l). NO. All the elements keep the same oxidation numbers.

B) Na₂O(s) + H₂O(l) ⇒ 2 NaOH(aq). NO. All the elements keep the same oxidation numbers.

C) SO₃(g) + H₂O(l) ⇒ H₂SO₄(aq). NO. All the elements keep the same oxidation numbers.

D) CO₂(g) + H₂O(l) ⇒ H₂CO₃(aq). NO. All the elements keep the same oxidation numbers.

E) C₂H₄(g) + H₂(g) ⇒ C₂H₆(g). YES. <u>C is reduced</u> and <u>H is oxidized</u>.

8 0
3 years ago
Which equation represents the combined gas law?
stealth61 [152]

Answer:

P1V1/T1= P2V2/T2

Explanation:

Combined gas law involves Boyle's law and Charles law altogether with the formula of Boyle's law as P1V1=P2V2

formula for charles law as V1/T1=V2/T2

so when combined form P1V1/T1=P2V2/T2

4 0
3 years ago
What causes objects to move or stay still?<br> Claim <br><br> Reasoning:<br><br> Evidence:
kari74 [83]

Answer:

For an object to move, there must be a force. A force is a push or pull that causes an object to move, change direction, change speed, or stop. Without a force, an object that is moving will continue to move and an object at rest will remain at rest.

Explanation:

7 0
3 years ago
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Hey ignore ths i didn mean to post
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Explanation:

you said you didnt mean to post it but still typed it and posted it LOLLLLLLLLLLLLLL

7 0
2 years ago
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