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Firlakuza [10]
4 years ago
15

In a science experiment, a variable is:

Chemistry
1 answer:
rewona [7]4 years ago
3 0
A variable is any factor,trait, or condition that can exist in differing amounts or types.
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Pioneer species like Lichens and Mosses inhabit an area after a major disturbance, such as a volcanic eruption. Over time, other
kvv77 [185]

Answer:

The number of pioneer species get less as the area has more soil to support complex plants and the competition decreases the role of pioneer species.

Explanation:

Pioneer species like Lichens and Mosses inhabit an area after a major disturbance, such as a volcanic eruption. However, with time the number of pioneer species decreases.

The number of pioneer species get less as the area has more soil to support complex plants and the competition decreases the role of pioneer species.

6 0
3 years ago
How will this system at equilibrium be affected by each of the conditions stated here?
Troyanec [42]

Answer:

Factors affecting a system in equilibrium are;

  • concentration
  • temperature
  • pressure

Explanation:

A chemical equilibrium occurs when there is a proportion in mixtures of reactants and products.

For concentration, where some of the reactants are removed from an equilibrium reaction, the contents in the product side will be unbalanced thus the system will not be  equilibrium and according to the Le Chatelier's principle, a system will shift in a manner to return balance in the reaction.

In temperature, in endothermic reactions, energy is considered as a reactant where as in exothermic reactions, energy is considered as a product.In exothermic reactions increase in temperature increases the reaction causing unbalanced reaction. A decrease in temperature causes a backward reaction which is endothermic

Increase in pressure causes the equilibrium to shift to the side of reaction with fewer moles of the reacting gas, where as a decrease in pressure forces the equilibrium to shift to the side of reaction with more moles of gas.

7 0
4 years ago
Which of the following measurements is used to measure the enthalpy of neutralization?
Lana71 [14]
The answer is going To be measuring the change in temperature of a beaker of water
3 0
3 years ago
Which electron configuration could represent the electrons in a sodium atom in an excited state?
Varvara68 [4.7K]

Answer:

2-7-2

Explanation:

4 0
3 years ago
Write the expressions for the equilibrium constant expressions for K_c, and for K_p, if applicable, for the following processes:
IceJOKER [234]

The equilibrium constant could be found using the relationship Kaq = [H^+] [HCOO-]/HCOOH

<h3>What is the equilibrium constant?</h3>

The equilibrium constant is a value that shows us the extent to which reactants are converted into products. We know that a very high value of the equilibrium constant implies that the reactants are mostly converted into products.

Now we have the equation of the reaction as; HCOOH(aq)⇌H^+(aq) + 〖HCOO〗^- (aq). The equilibrium constant ca now be written in terms of Kaq.

Thus the equilibrium constant is;

Kaq = [H^+] [HCOO-]/HCOOH

Learn more about equilibrium constant:brainly.com/question/10038290

#SPJ1

8 0
2 years ago
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