For the given reaction K3PO4 → 3K+ + PO4³-, the correct mole ratio would be 3 mol K3PO4 to 1 mol K+ and 3 mol K+ to 1 mol PO4³-, as seen in answer option B.
Explanation:The mole ratio in a chemical reaction is indeed determined by the coefficients of the balanced chemical equation. In the given reaction:
K3PO4 → 3K+ + PO43-
The correct mole ratio can be established as follows:
1 mole of K3PO4 corresponds to:
- 3 moles of K+
- 1 mole of PO43-
This accurately represents the stoichiometry of the reaction. Therefore, as you correctly pointed out, the mole ratios can be expressed as:
- 3 moles of K3PO4 to 1 mole of K+
- 1 mole of K3PO4 to 1 mole of PO43-
The correct answer choice, corresponding to this mole ratio, is indeed B) 3 mol K3PO4 to 1 mol K+ and 1 mol K3PO4 to 1 mol PO43-. This reflects the relationship between the reactants and products as described by the balanced chemical equation.
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Arjuna stood at Krishna feet with " rgppsmk Arjuna aet "arms folded what aspect of Arjuna character does this gesture show
The gesture of Arjuna standing at Krishna's feet with folded arms represents the aspect of Arjuna's character known as
Humility is an aspect of Arjuna's character that is represented by his gesture of standing at Krishna's feet with folded arms. Humility is the quality of being humble, which is the ability to show modesty, kindness, and an appreciation of the worth of others.
According to the Bhagavad Gita, humility is a highly regarded virtue and is one of the essential qualities that a person should have. It is said that by cultivating humility, a person can overcome many of the obstacles and difficulties that life throws their way. Humility is also believed to be the key to true knowledge and wisdom.
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the nucleus of every atom contains protons. true or false?
Answer:
true
Explanation:
atomic nuclei consist of electrically positive proton and electrically neutral neutrons. These are held together by the strongest known fundamental force, called the strong force.
The nucleus of every atom contains protons. This statement is true.
Protons are positively charged subatomic particles, which are one of the fundamental components of an atom, along with neutrons and electrons. Protons play a crucial role in determining the identity of an element. They determine the atomic number of an element.
The atomic number is used to arrange elements in the periodic table and is used as a basis for defining the number of electrons in an atom of that element. The arrangement and combination of protons, along with neutrons, determine the atom's mass and stability.
In summary, protons are an essential component of the nucleus in all atoms, making the statement true.
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which is an example of a colloid? a mixture that settles out, a mixture that scatters light, a mixture that is separated by filtration, or a salt and water mixture?
These substances have dispersed particles that are large enough to scatter light, making the beam visible. Therefore, out of the options provided, a mixture that scatters light is an example of a colloid. Option B)
A colloid is a type of mixture in which particles are dispersed throughout a medium, creating a homogeneous appearance. Unlike solutions, where the particles are completely dissolved, and suspensions, where the particles settle out, colloids have particles that are larger than those in solutions but smaller than those in suspensions. One characteristic of colloids is that they can scatter light due to the size of the particles. This scattering of light is known as the Tyndall effect. Examples of colloids include milk, fog, and aerosol sprays. These substances have dispersed particles that are large enough to scatter light, making the beam visible. Therefore, out of the options provided, a mixture that scatters light is an example of a colloid. Therefore option B) is correct
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Note Complete Question
which is an example of a colloid?
a mixture that settles out,
b mixture that scatters light,
c mixture that is separated by filtration,
d salt and water mixture?
Which statements are true about catalysts
The true statements about catalysts are the statement 1,2 and 3.
1. Catalysts increase the rate of reaction: Catalysts facilitate chemical reactions by providing an alternative reaction pathway with lower activation energy. They enhance the rate of the reaction without being consumed in the process.
2. Catalysts behave as reactants in the reaction mixture: Catalysts participate in the reaction by interacting with the reactants. They form temporary bonds with the reactant molecules, leading to the formation of an intermediate complex that ultimately results in the desired products.
3. Catalysts decrease the activation energy of a reaction: Catalysts lower the energy barrier required for a reaction to occur by providing an alternative pathway with a lower activation energy. This enables the reactants to overcome the energy barrier more easily, thus increasing the reaction rate.
4. Catalysts show no physical change at the end of the reaction: Catalysts are not consumed or permanently altered in the reaction. They remain chemically unchanged and are available to participate in subsequent reaction cycles.
The statement "Catalysts are required in large concentrations in a reaction" is false. Catalysts work effectively even in small concentrations, as their role is to facilitate the reaction rather than being directly involved in the stoichiometry of the reaction.
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Lewis Structure for NO3-
Answer::
Explanation::