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
mario62 [17]
3 years ago
6

Activation energy is ____. (1 point)

Chemistry
2 answers:
Usimov [2.4K]3 years ago
7 0
Activation energy is defined as the least amount of energy that is needed to be available in a chemical system with potential reactants in order to result a chemical reaction. Therefore, the correct answer would be the first option: the heat released in a reaction. 
marysya [2.9K]3 years ago
5 0
Activation energy is the energy barrier between the reactants and products.
You might be interested in
What is the mass of 2 moles of nitrogen gas, N2?
drek231 [11]

Answer:

28g

Solution. Hence, 2 moles of nitrogen atoms weigh 28g.

6 0
3 years ago
Wuy Piolcululugu<br> Give the names of two organs in the chest.<br> 1. ...............<br> 2 m
Arada [10]

Answer:

The organs present inside the chest are :

1. The lungs

2. The heart

Explanation:

The chest cavity is also called as the thoracic cavity. It is the second largest hollow space of the body.In the bottom , it is enclosed by the diaphragm.

This cavity actually contain three space each round with mesothelium , pleural cavity and precardial cavity.

This contain the lungs , the tracheobronchial tree , the heart , the blood vessels which transport the blood between the heart and the lungs.

It also contain the esophagus .

Esophagus is the path through which the food passes from the mouth to the stomach.

8 0
3 years ago
A voltaic cell is created by using a copper cathode and a magnesium anode. The cathode is immersed in a solution of Cu2 ions, an
Vikki [24]

Answer:

As the reaction proceeds in the given voltaic cell, the Na₂SO₄ present in the salt bridge will dissociate into Na⁺ and SO₄²⁻ ions. As the copper ions in the solution are being deposited on the copper cathode as neutral copper atoms, the solution will become more negative, therefore the Na⁺ ions in the salt bridge will migrate into the the solution in order to maintain electrical neutrality. At the anode, as the Mg metal dissolve into the solution as Mg⁺² ions, the  solution will tend to become more positive. Therefore, the SO₄²⁻ ions present in the salt bridge will migrate into the solution in order to maintain electrical neutrality.

Explanation:

A voltaic or galvanic cell is an example of an electrochemical cell.

An electrochemical cell is a device that produces an electric current from chemical reactions occuring within it.

Electrochemical cells have two electrodes; the anode and the cathode. The anode is defined as the electrode where oxidation occurs while the cathode is the electrode where reduction occurs.

The voltaic cell uses two different metal electrodes each immersed in an electrolyte solution. The two electrodes are connected to each other by means of a wire which allows the flow of electrons from the anode to the cathode. The electrolytes are connected by means of a salt bridge which is a junction that connects the electrolytic solution in the anode and cathode compartment. The salt bridge usually consists of a strong electrolyte like NaCl, KCl, Na₂SO₄, etc.

The electrolyte in the salt bridge serves two purposes: it completes the circuit by providing a path for electron flow and it maintains electrical neutrality in both solutions by allowing ions to migrate between them.

As the reaction proceeds in the given voltaic cell above, the Na₂SO₄ present in the salt bridge will dissociate into Na⁺ and SO₄²⁻ ions. As the copper ions in the solution are being deposited on the copper cathode as neutral copper atoms, the solution will become more negative, therefore the Na⁺ ions in the salt bridge will migrate into the the solution in order to maintain electrical neutrality. Also, at the anode, as the Mg metal dissolve into the solution as Mg⁺² ions, the  solution will tend to become more positive. Therefore, the SO₄²⁻ ions present in the salt bridge will migrate into the solution in order to maintain electrical neutrality.

5 0
3 years ago
During a hurricane, what effect can the ocean have on the beach?
Katen [24]
C is the answer I’m pretty sure
4 0
3 years ago
Alkanes are hydrocarbons that contain what type of bonds
olga2289 [7]
Carbon carbon triple bonds
3 0
2 years ago
Read 2 more answers
Other questions:
  • Which type of volcano formation would typically be found under a convergent boundary?
    8·2 answers
  • If the seawater carbonate ion (CO3 2-) concentration is 270 µmol/kg, a) what is the approximate rate of calcification, and b) ap
    12·1 answer
  • Balancing Practice (some of these may be in the simulation)
    5·1 answer
  • Use the periodic to write the electron configuration for rubidium (Rb) in noble-gas notation. . Rb: [Kr]s
    12·2 answers
  • Create a path of mechanisms for the reaction.
    14·2 answers
  • Calculate the heat energy in kJ, required to evaporate 50.0g of water at 100 degrees celcius
    5·1 answer
  • <img src="https://tex.z-dn.net/?f=%20%5Cunderline%7B%20%5Ctext%7BQUESTIONS%7D%7D%20%3A%20" id="TexFormula1" title=" \underline{
    8·2 answers
  • You and your science group have been handed five mineral samples to identify. First, you sort the minerals by color. One has man
    6·1 answer
  • How many non bonding electrons is in OH-
    11·2 answers
  • Chromium(III) oxide reacts with hydrogen sulfide (H₂S) gas to form chromium(III) sulfide and water:
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!