1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Rasek [7]
3 years ago
14

What element is being oxidized in the following redox reaction?

Chemistry
1 answer:
DIA [1.3K]3 years ago
8 0

Answer:

The element that has been oxidized is the N

Explanation:

Zn²⁺(aq) + NH₄⁺(aq) → Zn(s) + NO₃⁻(aq)

See all the oxidation states:

Zn²⁺  → acts with +2

In ammonia, H acts with +1 and N with -3

Zn(s), acts with 0. In all the elements in ground state, the oxidation state is 0.

Zn changed from 2+ to 0. The oxidation number, has decreased.

This element has been reduced.

NO₃⁻ (aq) it's a ion, from nitric acid.

N acts with +5

O acts with -2

The global charge is -1

The N, has increased the oxidation state, so this element is the one oxidized.

You might be interested in
Which of the following molecules is responsible for transmitting the energy needed by cells
kolbaska11 [484]
Adenosine triphosphate (ATP)
7 0
3 years ago
Read 2 more answers
When air cools, water molecules lose energy and<br> or change into liquid form.
Delicious77 [7]
I think it’s called condensation or water vapor
5 0
3 years ago
77 grams of an unknown metal at 99ᵒC is placed in 225 grams of water which is initially at 22ᵒC. The water is inside a 44 gram a
BigorU [14]

Answer:

The specific heat capacity of the unknown metal is C = 0.6991 J/g°C = 0.1671 cal/g°C

Explanation:

Heat lost by the unknown metal is equal to the heat gained by the water and aluminium cup.

Given,

Mass of unknown metal = 77 g

Initial Temperature of unknown metal = 99°C

Mass of water = 225 g

Initial Temperature of water = 22°C

Mass of Aluminium cup = 44 g

Specific heat capacity of Aluminium cup = 0.22 cal/gᵒC = 0.92048 J/g°C

Final temperature of the setup = 26°C

Note that, specific heat capacity of water = 4.186 J/g°C

Let the specific heat of the unknown metal be C

Heat lost from the unknown metal

= (77)(C)(99 - 26) = (5,621C) J

Heat gained by water

= (225)(4.186)(26 - 22) = 3,767.4 J

Heat gained by Aluminium cup

= (44)(0.92048)(26 - 22) = 162.00448 J

Heat lost by unknown metal = (Heat gained by water) + (Heat gained by Aluminium cup)

5621C = 3,767.4 + 162.00448 = 3,929.40448

5621C = 3,929.40448

C = (3,929.40448 ÷ 5621) = 0.6991 J/g°C

C = 0.6991 J/g°C = 0.1671 cal/g°C

Hope this Helps!!!

6 0
3 years ago
Read 2 more answers
A mixture in which different materials can be easily distinguished.
Juli2301 [7.4K]

Answer:

heterogeneous mixture.

Explanation:

took k12 test

8 0
2 years ago
Methane (CH4) reacts with excess oxygen gas (O2) to produce carbon dioxide (CO2) and water (H2O). What is the percent yield of c
kotegsom [21]
I'm pretty sure that it's either 83.2% or 91.4%
6 0
3 years ago
Other questions:
  • 876 millimeters to meters
    11·1 answer
  • 6 Which substances have atoms of the same element but different molecular structures?
    10·1 answer
  • an atom with one valence electrons joins an atom with 7 what is likely to happen to the atom with one valence electron
    10·1 answer
  • What does pure substance mean in chemistry?
    9·1 answer
  • While performing the assays for the LDH kinetics experiment, you will pipet 25ul of 250 ug/ml LDH into 975 ul of assay buffer (T
    15·1 answer
  • 10 POINTS PLZ HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    10·1 answer
  • When 2.3 × 10^3 g of CaCO3 are heated, the actual yield of CaO is 1.09 × 10^3g. What is
    15·1 answer
  • Patra drops her toy from the balcony. The toy hits the ground in: 2.5 seconds. What is the velocity of
    7·1 answer
  • 14) How many molecules are there in 9.34 kg of water?
    9·1 answer
  • A scientist claims to have discovered an element with 30 protons in its nucleus. He determines it has 60 electrons. Why is his i
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!