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Lady bird [3.3K]
4 years ago
13

Which half reaction correctly describes the reduction that is taking place

Chemistry
1 answer:
pickupchik [31]4 years ago
6 0
<h2>Answer:</h2>

The correct answer is the option A which is: Cl2 + 2e- → 2Cl-

<h3>Explanation:</h3>

<em><u>Reduction is the gain of electrons and resulting in neutral or negative ions.</u></em>

<em><u>It is also the gain of hydrogen and release of oxygen ions.</u></em>

  • According to first most definition, option A describes the reduction.
  • Option B is incomplete reaction.
  • While C and D are oxidation reactions.
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Some one please help me ​
Norma-Jean [14]

Answer:

C.4

Explanation:

6 0
3 years ago
I wrote that all matter consists of tiny particles called atoms. I also thought all atoms of a specific
Westkost [7]

Answer:

John Dalton

Explanation:

John Dalton in 1808 suggested that all matter consists of tiny particles called atoms and that the atoms of a specific element are identical.

He postulated the Dalton's atomic theory which has the following important parts;

  • All matters consists of indivisible particles called atoms
  • Atoms of the same element are similar and are different from atoms of other elements.
  • Atoms can neither be created nor destroyed.
  • Atoms combine in simple whole ratios to form compounds.
7 0
3 years ago
A rock falls off a cliff and hits the ground after three seconds. What is its velocity right before it hits the ground?
Amiraneli [1.4K]
To solve this kinematics formula use the following equation:

Vf = Vi + at
Vf = 0 + (9.81 m/s^2)(3 seconds)
Vf = 29.43 m/s and or about 29.4 m/s of reported to 3 significant figures.
4 0
4 years ago
Read 2 more answers
2. What is the volume of 40.0 g of N2 at STP?
vampirchik [111]

Answer:

Molar mass of

N

2

=

28 g/mol

Moles of

40.5 g N

2

gas

=

40.5 g

28 g/mol

=

1.45 mol

1 mol

of any gas at

STP

occupies

22.4 L

of volume.

1.45 mol

of

N

2

gas will occupy

1.45

mol

×

22.4 L

1

mol

=

32.48 L

3 0
2 years ago
A dialysis unit requires 70000 mL of distilled water. How many gallons of water are needed? (1 gal = 4 qt)
Lady bird [3.3K]

Answer: 19.25 gallons

Explanation: 1 ml = 0.0011 quart

Given:  4 quarts = 1 gallon

Thus if 1 ml is equal to 0.0011 quart

70000 ml  is equal to =\frac{0.0011}{1}\times 70000=77quart

Now if 4 quarts is equal to 1 gallon.

77 quarts is is equal to=\frac{1}{4}\times 77=19.25gallons




5 0
4 years ago
Read 2 more answers
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