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Viktor [21]
4 years ago
9

Consider the following general voltaic cell and a cell notation, and answer all three parts of this question.

Chemistry
1 answer:
Lubov Fominskaja [6]4 years ago
6 0

Answer:

<u>Part -1</u>

Electrode A - Mg(s)

Electrode B - Cl_{2}

<u>Part-2</u>

Option -C

<u>Part - 3</u>

Electrons flow from electrode -A to electrode -B.

Explanation:

<u>Part-1</u>

Electrode A is Mg(s)|Mg^{+2}(aq)

Electrode B is Cl_{2}(g)|Cl^{-}(aq)|C(s)

<u>Part-2</u>

From the electrode, magnesium looses two electrons and chlorine gains two electrons. Therefore, balanced redox equation for the voltaic cell is as follows.

Mg(s)+Cl_{2}(g)\rightarrow Mg^{2+}(aq)+2Cl^{-}(aq)

<u>Part-3</u>

<u>Na^{+} </u>ions flow from the left to right.

NO_{3}^{-} ions flow from the right to left.

Therefore, Electrons flow from electrode -A to electrode -B.

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can energy and matter be created during photosynthesis and cellular respiration pleasssseeee this is due today
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Answer:

We can see that the energy and mass are transformed in other forms via cellular respiration and photosynthesis. Plants breathe carbon dioxide and expel oxygen.

Explanation:

Photosynthesis is where a plant takes light from the sun, water from the soil, and carbon dioxide from the air, and turns it into two things: glucose, which it uses for energy, and oxygen, which it releases into the air. ... Matter and energy is neither created nor destroyed, so it all has to go somewhere

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4 0
3 years ago
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Can you help me on this
lapo4ka [179]

A football field is 0.001 km in length. Since the 1 is in the thousands place, you’d have to run back and forth (0.001 km) 1000 times.


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6 0
3 years ago
Convert molecules of vitamin d (molar mass 384.7 g/mol) to grams of vitamin d.
velikii [3]

The 6.023 * 10²³  molecule means  384.7 grams of Vitamin D.

<h3>What is a mole ?</h3>

A mole is a universal unit used to measure large number of atoms , molecules of an element.

one mole is equal to the Avogadro's Constant.

Mole is equal to the ratio of the mass of a compound to its molecular weight

It is given that Vitamin D is present

no. of molecule = 6.023 * 10²³

6.023 * 10²³ molecule constitutes of 1 mol

1 mole  is equal to the molar mass of a compound/ element

Therefore 1 mole = 384.7grams of Vitamin D

and hence 6.023 * 10²³  molecule means 384.7 grams of Vitamin D.

To know more about Mole

brainly.com/question/26416088

#SPJ1

3 0
2 years ago
ANALYZE A ball of clay is manipulated into different shapes in each of the images
alekssr [168]

Answer:

The amount of mass and matter in all the transformations of the clay ball will remain the same or constant

Explanation:

From the  law of conservation of mass we have, for an enclosed system to and from which there is no transfer of matter or energy, mass cannot be created nor destroyed, and remains constant at the given value, but the matter which make up the mass can be changed into different forms

Therefore, the clay ball can be transformed into different shapes and will still posses the same initial mass before the transformation, provided there are no transfer of matter or energy from the clay ball system.

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3 years ago
An atom that has 13 protons and 15 neutrons is element
ololo11 [35]

Answer:

you are correct

Explanation:

i double checked u are correct :D

4 0
3 years ago
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