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N76 [4]
1 year ago
12

Balance each of the following redox reactions and classify it as a combination, decomposition, or displacement reaction:

Chemistry
1 answer:
alexgriva [62]1 year ago
6 0

In the given equation

PF₃(g) + F₂(g) → PF₅(g)

This is a combination reaction in which Phosphorus trifluoride has combined with the element fluorine and form the compound Phosphorus pentafluoride (PF₅).

<h3>What is redox reaction ?</h3>

Redox reactions include a change in the oxidation state of the substrate. Loss of electrons or a rise in an element's oxidation state are both considered to be oxidation. Gaining electrons or lowering an object's or its atoms' oxidation state are both considered reductions. Combination, decomposition, displacement, and combustion reactions are the most frequent oxidation-reduction (redox) processes.

<h3>Redox response types</h3>
  • Combination reaction is a chemical process in which two atoms or molecules combine to generate a third molecule.
  • Decomposition is the process through which a molecule disintegrates into two or more other molecules.
  • Displacement reaction involves the replacement of an atom or ion in a compound by an atom or ion from a different element.

To know more about redox reactions visit :

brainly.com/question/15678074

#SPJ4

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What is the mass of CO2 lost at 20 min from the limestone sample?
harkovskaia [24]

Answer:

The mass, CO2 and CO3 from the limestone sample is discussed below in details.

Explanation:

(A) mass loss of sample of limestone after 20 min

= 0.8437g-0.5979g = 0.2458 g

From the given reaction of limestone, 2 mol of the sample gives 2 moles of CO 2.

Therefore  

184.4 g ( molar mass of limestone) gives2× 44 g of carbon dioxide.

1 g of sample gives 88/184.4 g of carbon dioxide

Hence 0.2458 g sample gives

= 88/184.4 × 0.2458 g = 0.117 g carbon dioxide

(B) mole of CO 2 lost = weight/ molar mass

= 0.117 g / 44 g/mol =0.0027 mole

(C). 1 mol of limestone contain 2 mol of carbonate ion

From the reaction we know that carbonate ion of limestone is converted into carbondioxide

Hence lost carbonate ion = 0.2458 g

(D) we know that

1 mol limestone contain 1mol CaCO​​​ 3

Hence in sample present CaCO​​​ 3

= 1mole / 184.4 g × 0.8437 g= 0.00458 mol CaCO​​​3

8 0
3 years ago
The rate of acceleration of an object is determined by the mass of the object and...
GREYUIT [131]

Answer:

a. forces acting on the object

7 0
3 years ago
2h3po4 + 3mg(oh)2 → mg3(po4)2 + 6h2o phosphoric acid, h3po4, is neutralized by magnesium hydroxide, mg(oh)2, according to the eq
Rina8888 [55]
The balanced equation for the neutralisation reaction is as follows
2H₃PO₄ + 3Mg(OH)₂ --> Mg₃(PO₄)₂ + 6H₂O
stoichiometry of H₃PO₄ to H₂O is 2:6
number of H₃PO₄ moles reacted - 0.24 mol
if 2 mol of H₃PO₄ form 6 mol of H₂O
then 0.24 mol of H₃PO₄ forms - 6/2 x 0.24 = 0.72 mol of H₂O
therefore 0.72 mol of H₂O are formed 
4 0
4 years ago
What’s the answers to these?
nata0808 [166]

Answer:

0bervation

Explanation:

cause it is

5 0
4 years ago
Heyy pls help anyone?
madam [21]
1a. calcium chloride (CaCl2)
b. 2HCl (aq) + Ca(OH)2 (s) —> CaCl2 (aq) + 2H2O (l)

i’m not sure about the rest but i hope this helped ^^
7 0
3 years ago
Read 2 more answers
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