What name is given to this type of diagram

Answer:

Evaporation

Explanation:

Students are to mix the solvent to dilute completely,and get and evaporation dish,candle(heat),tripod stand...pour the solution in the evaporation dish and place it on tripod stand above the candle wait for some time the water will change into gas and to get the water they have to cover the evaporating and direct it to a different container to get the water and salt

Answer a

acid-base

Answer b

oxidation-reduction: Na is oxidized, H+ is reduced

Answer c

oxidation-reduction: Mg is oxidized, Cl2 is reduced

Answer d

acid-base

Answer e

oxidation-reduction: P3− is oxidized, O2 is reduced

Answer f

acid-base

Answer:

Similarity: Rocks within the mantle contain more magnesium and iron than the ones in the crust.

Difference: Rocks in the deep mantle are under intense heat and pressure. In this case, they are semi-solid rocks that flow slowly. On the other hand, the part of the mantle that is nearest to the surface consists of rigid rocks. It has a lower temperature than the rocks in the deep mantle.

Explanation:

Rocks within the mantle contain more magnesium and iron than the ones in the crust.

Rocks in the deep mantle are under intense heat and pressure. In this case, they are semi-solid rocks that flow slowly.

On the other hand, the part of the mantle that is nearest to the surface consists of rigid rocks. It has a lower temperature than the rocks in the deep mantle.

According to geologists, a rock is a naturally occurring material made up of crystalline crystals of various minerals that have fused together to form a solid mass.

Therefore, Rocks within the mantle contain more magnesium and iron than the ones in the crust.

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Answer:

Electronic configurations describe each electron as moving independently in an orbital, in an average field created by all other orbitals.

Explanation:

The sign of the free energy change when solid sodium sulfide is added to the following system HgS(s) ⇌ S2−(aq) + Hg2+(aq) is delta G<0. The correct option is c) delta G < 0.

Free energy change (ΔG) is the energy liberated or absorbed when a chemical reaction happens. The symbol ΔG stands for "delta G" and is usually expressed in units of kcal or kJ. The ΔG of a chemical reaction determines whether or not it will occur spontaneously.

The term spontaneous refers to a chemical reaction that occurs on its own without the need for energy input, whereas the term non-spontaneous refers to a reaction that requires energy input to occur. The energy difference between the reactants and products is the free energy change of a reaction.

The sign of ΔG for a given reaction decides if the reaction is spontaneous or non-spontaneous. The following table outlines the connection between ΔG and the nature of a reaction.

ΔGReaction TypeΔG > 0Non-spontaneousΔG < 0SpontaneousΔG = 0EquilibriumΔG = −RTln(Q)

When solid sodium sulfide (Na2S) is added to the system HgS(s) ⇌ S2−(aq) + Hg2+(aq), the reaction is expected to shift to the right in response to the introduction of additional S2- ions. The decrease in S2−(aq) concentration results in a reduction in the free energy of the system, indicating that the reaction is spontaneous

Therefore the sign of ΔG will be negative (ΔG < 0).

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The best choice for sterilizing the following items would be:

Autoclaving is the most commonly used method for sterilizing laboratory equipment, as it is effective in killing bacteria, viruses, and spores. However, it is not suitable for heat-sensitive materials, such as antibiotic solutions and plastic-wrapped petri plates.

Filtration is a good choice for sterilizing heat-sensitive liquids, such as antibiotic solutions, while ethylene oxide gas sterilization is a suitable method for sterilizing heat-sensitive materials, such as plastic-wrapped petri plates.

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If Eddy conducting the experiments and he did not keep accurate records, then he have to conduct the experiment again for the next time.

It is a scientific process in which a person experiences various hypothesis, undertaking many experiences and demonstrate a previous known fact.

During any experiment we have to take exact and accurate amount of each species to get a particular result and will compare this get result with the theoretical result, and may prepare conclusion.

Hence, he have to conduct test again for the next time.

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If moles of fuel (butene) are combusted in air, the number of moles of oxygen gas produced is 120 moles.

Stoichiometry is the study and calculation of quantitative (measurable) relationships of the reactants and products in chemical reactions (chemical equations).

According to this question, 1 mole of butene reacts with 6 moles of oxygen gas to produce 4 moles of carbondioxide and 4 moles of water.

Based on the reaction, 1 mole of fuel reacts with 6 moles of oxygen gas.

This means that 20 moles of fuel will react with 120 moles of oxygen gas.

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Answer:

Therefore the answer is d) The pressure exerted by a gas in the balloon results from collisions between the gas molecules and the balloon walls.

Explanation:

Propose two possible structures for a compound with molecular formula C5H8 that produces an ir signal at 3300 cm^-1. rearrangement are called Reconstruction debate that had federalism debate that had been an issue since the 1790s.

Reconstruction failed by most other measures: Radical Republican legislation ultimately failed to protect former slaves from white persecution and failed to engender fundamental changes to the social fabric of the South. When President Rutherford B. federalism debate that had been an issue since the 1790s almost mediately . Hayes removed federal troops from the South in 1877, former Confederate officials and slave returned to With the support of a conservative Supreme Court, these newly empowered white southern politicians passed black codes, voter qualifications, and other anti-progressive legislation to reverse the rights that blacks had gained during Radical Reconstruction. The U.S. Supreme Court bolstered this federalism anti-progressive movement federalism  with decisions in the Slaughterhouse Cases, the Civil Rights Cases, and United States v.

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Answer:

A.H2O,CO2,HCI,H2SO4

Explanation:

Have a nice day brother❤️❤️

Answer:

it's-B.....................

Answer:

columns and rows on the periodic table and groups based on reactivity and such like halogens,noble gases, trans metals, alkali metals, alkaline earth metals, lanthanids, actinids, metalliods, nonmetals and metals.

Explanation:

Answer: 8 oxygen atoms and 4 hydrogen atoms. Explanation down below.

Explanation: One molecule of oxygen gas is composed of two oxygen atoms (O2). Here there is four atoms of oxygen gas which in total gives eight oxygen atoms. Same ways One molecule of hydrogen gas is composed of two hydrogen atoms (H2), so 2 atoms of hydrogen gas in total gives four hydrogen atoms. As per the formula of water, 2 (H2) and 1(O) to form a water molecule (H2O). Here there are 4 H2, so divide the number of hydrogen atoms by the number needed per water molecule i.e. 4 / 2 = 2. This means 2 water molecules will be produced.

The given chemical reaction between acetic acid and sodium hydroxide has sodium acetate and water as its products.

The balanced equation of a chemical reaction between acetic acid and sodium hydroxide is:

\(CH_3COOH (aq) + NaOH (aq) \rightarrow CH_3COONa (aq) + H_2O (l)\)

This reaction is a neutralization reaction between a weak acid (acetic acid) and a strong base (sodium hydroxide).

In a neutralization reaction, an acid and a base mix chemically to provide salt and water as the final products. \(H^+\) ions and \(OH^-\) ions combine to generate water during a neutralization process. Because acid and base balance each other out to create a neutral chemical, this reaction is therefore known as a neutralization reaction.

In a balanced equation, the number of atoms of each element remains the same before and after the reaction. Therefore, in this reaction, on the products side, the number of atoms of Carbon (C) is 2, Hydrogen (H) is 5, Oxygen (O) is 3 and Sodium (Na) is 1.

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Answer:

A. 2.71 V

Explanation:

The standard reduction potential, E° of the metals are as follows:

Mg²⁺ + 2e⁻ ⇌  Mg; E° = -2.372

Cu²⁺ + 2e⁻ ⇌  Cu; E° = +0.337

Since magnesium has the the lower E°, it will serve as the anode in the electrolytic cell while copper will serve as the cathode.

At the anode; Mg ⇌  Mg²⁺ + 2e⁻, E° = -2.372

At the cathode; Cu²⁺ + 2e⁻ ⇌  Cu, E° = +0.337

EMF of the cell = E° cathode - E° anode = 0.337 - (-2.372) = 2.71 V

Therefore, EMF of the cell is 2.71 V

Answer:-2.71 is the correct answer

Explanation:

A P E X

Answer:

67.4 % of C₉H₈O₄

Explanation:

To make titrations problems we know, that in the endpoint:

mmoles of acid = mmoles of base

mmoles = M . volume so:

mmoles of acid = 20.52 mL . 0.1121 M

mmoles of acid = mg of acid / PM (mg /mmoles)

Let's determine the PM of aspirin:

12.017 g/m . 9 + 1.00078 g/m . 8 + 15.9994 g/m . 4 = 180.1568 mg/mmol

mass (mg) = (20.52 mL . 0.1121 M) . 180.1568 mg/mmol

mass (mg) = 414.4 mg

We convert the mass to g → 414.4 mg . 1g / 1000mg = 0.4144 g

We determine the % → (0.4144 g / 0.615 g) . 100 = 67.4 %

The flow of electrons that have a negative charge to protons that have a positive charge is the best definition of electric charge (option B) .

Electric charge is a fundamental property of matter that describes the presence or absence of electrons on an object.

Objects with an excess or deficiency of electrons relative to their neutral state are said to have a net electric charge. Electric charges can either be positive or negative.

Opposite charges are attracted to each other, while like charges repel each other.

The unit of electric charge is the Coulomb (C), which is defined as the charge transported by a constant current of one ampere in one second.

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Answer:

1. Potential

2. The relative potential energy of the reaction is positive.

3. the kinetic energy of the reactant molecules

4. catalyst

5. covalent

Explanation:

For everyone

Heat is added to a chemical system then Potential, The relative potential energy of the reaction is positive and the kinetic energy of the reactant molecules.

The exquisite intricacy and complexity of the biochemical machinery in cells give away the fact that they are the end result of a protracted evolutionary process.

The creation of membranes or the accumulation of information/catalytic machinery are two examples of distinct, well-defined challenges that have long been the focus of research on the origin of life.

This method is gradually being supplanted by a more "systemic" method that prioritizes complicated chemical system processes above particular separate functional apparatuses.

Therefore, Heat is added to a chemical system then Potential, The relative potential energy of the reaction is positive and the kinetic energy of the reactant molecules.

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Answer:

Explanation:

the compound consists of only two atoms of different elements and is called a  chemical binary compound.

It can be defined as a compound that cannot be broken further and are at its simplest form called a binary compound.

For example, NO2, it is at its simplest form and cannot be broken further, therefore it can be called  chemical binary compound

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Answer:

Pretty sure it is C

Explanation:

Due to the fact that It is talking about biotic survival

Answer:

I think part C

Because u are talking about the survivability

Peridotite is an ultramafic rock. When peridotite undergoes partial melting, the melt will have a higher concentration of magnesium (Mg) than the original peridotite.

Peridotite is a type of ultramafic rock that is composed primarily of olivine and pyroxene. It is commonly found in the mantle, and it is thought to be one of the primary rock types that make up the Earth's upper mantle. Partial melting is a process that occurs when a rock is heated to a temperature where some of its components begin to melt.

When peridotite undergoes partial melting, the minerals that have a lower melting point will begin to melt first, leaving behind the minerals that have a higher melting point. The melt that is produced as a result of partial melting will have a higher concentration of the minerals that melt first, and a lower concentration of the minerals that remain solid.

Because olivine and pyroxene have a higher melting point than magnesium, the melt that is produced when peridotite undergoes partial melting will have a higher concentration of magnesium than the original peridotite.

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Answer: Magnet

Explanation:Using a magnet is the best separating technique to be deployed in this case. The nails are easily picked out by just holding a magnet over the sandbox.

Answer:

It equals 826

Explanation:

Cos that's ur moms weight in pounds

Answer:

The answer is below:

Explanation:

3355.968

The reaction is spontaneous in the reverse direction(B).

The spontaneity of a reaction can be determined by considering the sign of the Gibbs free energy change (ΔG). If ΔG is negative, the reaction is spontaneous as written, meaning it will proceed in the forward direction without any external influence.

On the other hand, if ΔG is positive, the reaction is nonspontaneous and will not occur without external energy input. At equilibrium, the forward and reverse reactions occur at the same rate, resulting in no net change in the concentrations of reactants and products.

Therefore, the reaction is spontaneous in the reverse direction because the reverse reaction is favored and proceeds without external energy input. This indicates that the reactants are more stable than the products under the given conditions.

So B option is correct.

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Answer:

neutrons should be added with the protons