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Aliun [14]
2 years ago
8

2. Using the article complete the following, be sure to write neatly and answer all questions in

Chemistry
1 answer:
PtichkaEL [24]2 years ago
3 0

Answer: electrochemical reaction

Explanation:its electrolyte, phtocatalytic electron

plz mark me as brilliant  or just a thanks

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Select True or False: The reaction of hydrogen chloride gas with propene will yield 1-chloropropane as the main product
kifflom [539]

Answer:

False

Explanation:

My first response got deleted by brainly so here, again

3 0
2 years ago
What information does a subscript in a chemical formula provide? Choose all that apply. * The charge of that atom while in the c
Sloan [31]

Answer:

B. How many of each atom are present in the compound

D. the simplified ratio of atoms in relation to each other

Explanation:

In a chemical formula, chemical elements or atoms are represented by a chemical symbol for example Fe for iron and Na for sodium, and the number of each atom is represented by a subscript such as CO2, where 2 is a subscript representing 2 atoms of oxygen.

A subscript represents the number of each atom in the compound and the simplified ratio of atoms in relation to each other. The simplified ratio of atoms in relation to each other means subscript shows the contribution of both the atoms in the compound, for example: N2 + 3H2 => 2NH3, it means the subscript showing the ratio or proportionate of atoms that is 2:2 for both nitrogen and hydrogen.

The subscript is always written below and to the right of the chemical symbol.

Hence, the correct answer is "B. How many of each atom are present in the compound and D. the simplified ratio of atoms in relation to each other"

3 0
3 years ago
A catalyst is:<br> one answer only pls help lol
natka813 [3]
A catalyst is a substance that speeds up a chemical reaction.
3 0
3 years ago
Read 2 more answers
Which of the following systems has potential energy only?
DIA [1.3K]

Answer:

a bird sitting on a branch

6 0
2 years ago
A 5.00 L sample of helium expands to 12.0 L at which point the
mina [271]

Answer:

1.73 atm

Explanation:

Given data:

Initial volume of helium = 5.00 L

Final volume of helium = 12.0 L

Final pressure = 0.720 atm

Initial pressure = ?

Solution:

"The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"

Mathematical expression:

P₁V₁ = P₂V₂

P₁ = Initial pressure

V₁ = initial volume

P₂ = final pressure

V₂ = final volume  

Now we will put the values in formula,

P₁V₁ = P₂V₂

P₁ × 5.00 L = 0.720 atm × 12.0 L

P₁ = 8.64 atm. L/5 L

P₁ = 1.73 atm

7 0
2 years ago
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