(2) temperature of the solution decreases
(3) pressure on the solution increases
(4) pressure on the solution decreases
Answer: Option (1) is the correct answer.
Explanation:
Solubility of a solute gets affected by change in temperature. That is, when we increase the temperature then more and more solute particles will dissolve into the solvent or solution.
Therefore, solubility of KClO3(s) in water increases as the temperature of the solution increases because on increasing the temperature it will completely dissociate into the solution.
The answer to the riddle Maggie is solving is 6
To determine the answer to the riddle Maggie is solving,
We will subtract the number of valence electrons in halogens by the number of valence electrons in alkali metals.
First, let us define what is meant by valence electrons
Valence electrons are those electrons that reside in the outermost shell surrounding an atomic nucleus.
Now, we will the determine the respective number of valence electrons in halogens as well as the number of valence electrons in alkali metals.
For Halogens
Halogens are the group 17 (group 7A) elements in the periodic table. Examples are Fluorine, Chlorine, Bromine etc.
Halogens have 7 electrons in their outermost shell
For Alkali metals
Alkali metals are the group 1 metals. Examples are Lithium, Sodium, Potassium etc.
Alkali metals have 1 electron in their outermost shell
Now, for the answer to the riddle,
Answer to the riddle = Number of valence electrons in halogens - Number of valence electrons in Alkali metals
\
Answer to the riddle = 7 - 1
∴ Answer to the riddle = 6
Hence, the answer to the riddle Maggie is solving is 6
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Answer:
62_grams of FeO
Explanation:
Molar mass of Fe = 55.845_g/mol
Molar mass of O2 = 15.999_g/mol
From law of conservation of mass
2 moles of Fe combines with one mole of O2 to form 2 moles of FeO
Number of moles of Fe and O2 present = mass/(molar mass) = 56/55.845~1
and 24/16 = 1.1.5
Therefore
1 part of Fe will react with 0.5 part of one mole of O2
which is 54_g of Fe reacts with 8_g to form 54+8 = 62_grams of FeO
The chemical equilibrium can take place in a close system and can not be affected by catalyst and is a reversible reaction.
The term "chemical equilibrium" describes a situation in which a chemical reaction's forward reaction rate and reverse reaction rate are equal. In other words, throughout time, the reactant and product concentrations in the reaction mixture do not change. Even if the individual reactions may still be in progress, there is no net change in the reactant or product concentrations at the point of chemical equilibrium. This occurs as a result of the equalisation of the rates at which molecules react to create products and molecules disintegrate into reactants. Even though the reaction is still taking place at the molecular level, the system is in equilibrium and it appears to have stopped.
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(2) increases
(3) remains the same
An electron in an atom moves from a ground state to an excited state when the electron energy increases
Excitation in physics is the addition of a number of discrete energies (called excitation energies) to a system — such as the nucleus of an atom, atom, or molecule — so as to produce a change, usually from the lowest energy state (ground state) to one of the higher energies (excited state).
In nuclear, atomic and molecular systems, excited states do not continue to be distributed but instead have certain discrete energy values. Thus, external energy (excitation energy) can be absorbed in discrete quantities.
Excitation energy is stored in excited atoms and the nucleus that emits light is usually seen from atoms and as gamma radiation from the nucleus because they return to the ground state. This energy can also be lost by collisions.
In the nucleus, energy is absorbed by protons and neutrons which are transferred to an excited state. Within a molecule, energy is absorbed not only by electrons, which are very enthusiastic for higher energy levels but also by whole molecules, which are highly excited for the discrete states of vibration and rotation.
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Details
Class: High School
Subject: Chemistry
Keywords: electron, excitation, energies
Oxidation
Glycolysis
Hydrolysis
Glycolysis is a process that helps fuel your metabolism. It is apart of cellular respiration the process that helps produce ATP.
Explanation:
Glycolysis is the metabolic process that assists as the grounds for both aerobic and anaerobic cellular respiration. In glycolysis, glucose is transformed into pyruvate. Glucose is a six-membered circle molecule found in the blood and is regularly a result of the breakdown of carbohydrates into sugar.
Glycolysis is the process that helps fuel your metabolism. It generates energy in the form of ATP through the breakdown of glucose.
The metabolic process that helps fuel your body is known as Glycolysis. This is a series of reactions that takes place in the cell's cytoplasm, where glucose (a simple sugar) is broken down into two molecules of pyruvate. This process generates energy which gets stored in the form of ATP (adenosine triphosphate), a molecule that allows the body to perform various functions like muscle contraction, nerve impulse propagation, and chemical synthesis, etc. Hence, glycolysis supports the metabolism by providing necessary energy to the body.
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