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prisoha [69]
3 years ago
7

Which of these elements has physical and chemical properties most similar to Sulfur (S)?

Chemistry
1 answer:
andreev551 [17]3 years ago
8 0
A) Selenium - is apart of Sulfur family
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What is c4???????<br><br> will give brainliest if right
Lena [83]

C-4 or Composition C-4 is a common variety of the plastic explosive family known as Composition C, which uses RDX as its explosive agent. C-4 is composed of explosives, plastic binder, plasticizer to make it malleable, and usually a marker or odorizing taggant chemical.

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The explosive material in C-4 is cyclotrimethylene-trinitramine (C3H6N6O6), commonly called RDX (which stands for "royal demolition explosive" or "research development explosive").

5 0
3 years ago
8. How much heat, in kilojoules, is needed to produce 1850 grams of ammonia (NH3),
AleksAgata [21]

Based on the enthalpy of the reaction, 41625 kJ of heat is needed to produce 1850 grams of ammonia (NH3).

<h3>What is heat of reaction?</h3>

The heat of reaction or enthalpy change is the heat absorbed or evolved when reactant molecules react to form products.

According the enthalpy value of the reaction, 4 moles of ammonia require 1530 kJ of heat for its formation.

Molar mass of ammonia = 17 g

Mass of 4 moles of ammonia = 4 × 17 = 68 g

1850 g of ammonia will require = 1850 × 1530/68 = 41625 kJ of heat.

Therefore, 41625 kJ of heat is needed to produce 1850 grams of ammonia (NH3).

Learn more about enthalpy at: brainly.com/question/14047927

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6 0
2 years ago
Heeeeeellllppp, Iiiimmm sssooo stttuuuccckkk!​
n200080 [17]

Answer:

I think it would be D. None of the above

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why I think this is because none of the answers really adds up to it

4 0
3 years ago
Why do elements in the same group have a similar reactivity?
katrin2010 [14]
Elements in the same group have the same number of outer-shell electrons or "valence" electrons, so they tend to react similarly, as they can form similar bonds.
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3 years ago
NEED HELP!PLEAE WITH CHEMISTRY!
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Answer:

ionic

Explanation:

4 0
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