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Yuki888 [10]
3 years ago
8

I can model and explain how conduction transfers energy at a molecular level

Chemistry
2 answers:
astraxan [27]3 years ago
3 0

Conduction occurs when a substance is heated, particles will gain more energy, and vibrate more. These molecules then bump into nearby particles and transfer some of their energy to them. This then continues and passes the energy from the hot end down to the colder end of the substance.

Explanation:

Dvinal [7]3 years ago
3 0

Answer:

method of heat transfers with molecules interact each other.

Explanation:

On a microscopic scale, conduction occurs as rapidly moving or vibrating atoms and molecules interact with neighboring particles, transferring some of their kinetic energy. Heat is transferred by conduction when adjacent atoms vibrate against one another, or as electrons move from one atom to another.

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How can the properties of ionic compounds be used to determine the identity of an unknown mixture of ions?
Yanka [14]

Answer: By carrying out series of wet test

Explanation: Dissolve the ionic compound in water. Ionic compounds will ionise and allow the solution to conduct an electric current. Afterwards specific test will be carried out to detect the presence of cations and anions. Another way would be to find the substance's melting point. Ionically bonded compounds have much higher melting points.

7 0
4 years ago
KE and PE Math
slava [35]

Answer:

1. Answer: The bowling ball has more potential energy as it sits on top of the building. It does not have any kinetic energy because it is not moving.

2. Answer: The bowling ball has equal amounts of potential and kinetic energy half way through the fall. At the half way point, half of the potential energy has been converted to kinetic energy.

3. Answer: Just before the ball hits the ground, it has more kinetic energy. As it hits the ground the potential energy becomes zero.

4. Answer:

PE=784 J

5. Answer:  

PE = 392 J

6. Answer:

KE= 392 J

Also, since the PE and KE are equal at the half way point and PE =392 J, KE = 392 J.

7. What is the kinetic energy of the ball just before it hits the ground?

Answer:  

KE=784 J

At first I answered in the comments, but I am able to answer now. I hope this can help

6 0
4 years ago
All sound is produced by:<br><br> vibrations<br> color<br> a vacuum<br> light
GalinKa [24]
Vibrations of a medium
5 0
4 years ago
Read 2 more answers
A voltaic cell is constructed from a standard Ni2+|Ni half cell (E°red = -0.250V) and a standard Fe3+|Fe2+ half cell (E°red = 0.
tester [92]

Answer:

Anode half reaction equation:

Ni(s)------> Ni^2+(aq) + 2e-

Explanation:

Looking at the values of reduction potential given in the question, Ni2+|Ni half cell has a more negative reduction potential than the Fe3+|Fe2+ half cell. The more negative the reduction potential of a half cell, the more its tendency to act as the anode. Hence based on the half cell reduction potentials presented in the question, Ni2+|Ni is the anode while the other is the cathode.

7 0
3 years ago
How many grams of silver chloride are produced from 5.0g of silver nitrate reacting with an excess of
Sav [38]

Answer:

4.21 g of AgCl

3.06 g of BaCl₂ will be needed to complete the reaction

Explanation:

The first step is to determine the reaction.

Reactants: BaCl₂ and AgNO₃

The products will be the silver chloride (AgCl) and the Ba(NO₃)₂

The reaction is: BaCl₂(aq) + 2AgNO₃(aq) → 2AgCl(s) ↓ + Ba(NO₃)₂ (aq)

We determine the silver nitrate moles: 5 g . 1mol / 169.87 g = 0.0294 moles. Now, according to stoichiometry, we know that ratio is 2:2-

2 moles of nitrate can produce 2 moles of chloride, so the 0.0294 moles of silver nitrate, will produce the same amount of chloride.

We convert the moles to mass → 143.32 g / mol . 0.0294 mol = 4.21 g of AgCl.

Now, we consider the BaCl₂.

2 moles of nitrate can react to 1 mol of barium chloride

Then, 0.0294 moles of silver nitrate will react to (0.0294 . 1) /2 = 0.0147 moles. We convert the moles to mass:

0.0147 mol . 208.23 g /1mol = 3.06 g of BaCl₂

6 0
4 years ago
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