Which elements would react most easily with each other? (1 point) an element with a high electronegativity and an element with a single valence electron an element with a high electronegativity and an element with a single valence electron an element with a high electronegativity and an element with a full shell of electrons an element with a high electronegativity and an element with a full shell of electrons an element with a high electronegativity and an element with low reactivity an element with a high electronegativity and an element with low reactivity an element with a high electronegativity and a second element with a high electronegativity

Explanation:

increases then decreases

Answer:

5) C

6) D

7) D

8) C

Explanation:

Answer:

When the concentrations of the reactants are raised, the reaction proceeds more quickly. ... When solids and liquids react, increasing the surface area of the solid will increase the reaction rate. A decrease in particle size causes an increase in the .

Explanation:

Rats and mice are both rodents, so look similar - the biggest difference is their size. Rats are larger and heavier while mice have smaller slender bodies. Mice also have long slender tails (for their body size) covered in hair compared to rat tails which are shorter, thicker and hairless

Answer:

CH3OH

Explanation:

has hydroxide ions

Solubility has been the property of the substance to get dissolved to form the solution. Methanol (CH₃OH) is more soluble in water than Diiodomethane (CH₂I₂).

Solubility is best defined as the capability of the substance to get dissolved or dissociated into a solvent for the formation of the solution at a given temperature. The solubility of the various substances varies and is an important part of the mixture and solution.

Solubility in water has been the measure of the solute to get dissolved in water. The pressure and the temperature of the system directly affect the solubility of any substance in a solvent. Water is a polar molecule with hydrogen bonds in a great solvent that dissolves almost all the molecules like salt, sugar, etc.

Methanol is soluble in water as it contains hydrogen bonds as the intermolecular forces that interact with the polar water molecule by the virtue of the hydroxide and the hydrogen ions that show the molecular attraction and allows the molecule to get dissolved.

Therefore, methanol is soluble in water.

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Answer:

fddoiiijjjjjjjhhggggrrddffgghuuiii

Answer:

What is that? I do not understand

Explanation:

We can measure the weight or mass of something by using beam balance.

Answer:

a different number of neutrons in their nuclei.

Explanation:

Answer:

I think that:

The tendency of an object to resist changes in motion: inertia

Attractive force:gravity

And everything else is right

Explanation:

I am not a physicist

But I passed physics with an A

To do this, just take the given miles and multiply it with the ratio of molecules in the chemical equation to get your answer.

Answer:

(I)

[tex] = (1 + 35.5) \\ = 36.5[/tex]

(II)

[tex] = \{1 + 14 +(16 \times 3) \} \\ = 63[/tex]

(III)

[tex] = \{(2 \times 39) + 12 + (16 \times 3) \} \\ = 138[/tex]

(IV)

[tex] = 23 + 16 + 1 \\ = 40[/tex]

Answer:

Sodium

Explanation:

Answer:

Lead is a chemical element with symbol Pb and atomic number 82.

Answer:

There are no units with electro negativity. Linus Pauling designed a scale of electro negativity that ranks elements with respect to each other. So, for example, fluorine is a 4.0 in comparison to 0.7 for francium.

Explanation:

Answer:

787.401575 inches

[tex]\setlength{\unitlength}{1cm}\begin{picture}(0,0)\thicklines\put(0,3){\bf Fe}\put(0,0){\bf -3}\put(4,3){\sf O}\put(4,0){\bf -2}\put(0.2,2.9){\vector(4,-3){3.5}}\put(3.8,2.9){\vector(-4,-3){3.5}}\end{picture}[/tex]

[tex]\\ \sf\longmapsto Fe_2O_3[/tex]

[tex]\setlength{\unitlength}{1cm}\begin{picture}(0,0)\thicklines\put(0,3){\bf Ca}\put(0,0){\bf 2}\put(4,3){\sf OH}\put(4,0){\bf -1}\put(0.2,2.9){\vector(4,-3){3.5}}\put(3.8,2.9){\vector(-4,-3){3.5}}\end{picture}[/tex]

[tex]\\ \sf\longmapsto Ca(OH)_2[/tex]

Note:-

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Answer:

B no observation pls mark me branilest

Answer:

2 and 3 explanation in the comments

Answer:

The speed of a roller coaster increases as gravity pulls it downhill and is greatest at its lowest point. Viewed in terms of energy, the roller-coaster-Earth system's gravitational potential energy is converted to kinetic energy

Explanation:

a ball held in the air is the example of a change from gravitational potential energy to kinetic energy.

Answer:

The number of electrons in the outermost shell of a particular atom determines its reactivity, or tendency to form chemical bonds with other atoms. This outermost shell is known as the valence shell, and the electrons found in it are called valence electrons.

Explanation:

brainliest is appreciated

Answer:

10

Explanation:

The identity of an element refers to the specific element that is being referred to. The identity of the element is phosphorus (P).

To determine the identity of the element based on the given idealized PES (Photoelectron Spectroscopy) spectrum, we need to examine the pattern of relative number of electrons vs. energy levels.

The PES spectrum shows the relative number of electrons at different energy levels, and it is usually plotted with the relative number of electrons on the y-axis and the energy levels on the x-axis.

From the given data, we can see that there are three peaks with the following approximate values:

Energy (MJ/mol): ~1000, Relative number of electrons: ~1000

Energy (MJ/mol): ~100, Relative number of electrons: ~100

Energy (MJ/mol): ~10, Relative number of electrons: ~10

Based on this information, we can infer that the element has three distinct electron energy levels or subshells with approximately 1000, 100, and 10 electrons each.

To identify the element, we need to consider the electron configuration of elements in the periodic table and find an element that has three energy levels or subshells with roughly the same number of electrons.

The element that matches this pattern is phosphorus (P), which has the electron configuration: 1s² 2s² 2p⁶ 3s² 3p³. This configuration has 2 electrons in the 1st energy level (1s²), 8 electrons in the 2nd energy level (2s² 2p⁶), and 5 electrons in the 3rd energy level (3s² 3p³). The numbers are not exact matches, but they are relatively close to the given values in the PES spectrum.

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d = m / V

Density = mass / volume

d (Density aluminio) = 2.7 g/cm³

m (mass) = 300 g

V (volume) = ?

[tex]volume = \frac{mass}{density} \\ \\ \\ v = \frac{m}{d} = \frac{300 \: g}{2.7 \: g/ {cm}^{3} } = 111.1 \: {cm}^{3} [/tex]

I hope I helped you^_^

To solve such this we must know the concept of redox reaction. Therefore, Zn is the reducing agent represented by the given cell notation

Zn(s) ∣ Zn2+(aq) ∣∣ Ag+(aq) ∣ Ag(s)

Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, double displacement reaction.

Redox reaction is a chemical reaction where oxidation and reduction takes place simultaneously. Oxidation is loss of electrons and reduction is gain of electrons. The electron transfer from oxidant to reductant. Zn is the reducing agent in the given reaction. The component that undergoes oxidation is known as a reducing agent.

Therefore, Zn is the reducing agent in the given reaction.

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The final product of the reaction is 4-amino-3-hydroxy-1-acetylbenzene, also known as N-acetylanthranilic acid.

A catalyst is a substance that accelerates or reduces the temperature or pressure required to initiate a chemical reaction without being consumed in the process.

The Friedel-Crafts acylation reaction occurs when benzene reacts with acetic anhydride in the presence of an acid catalyst.

The acid catalyst activates the acetic anhydride to form an acylium ion intermediate in this reaction. This intermediate reacts with the benzene ring, giving it an acetyl group.

On carbon 1, there is a hydroxy group, and on carbon 4, there is an NH2 group.

Both of these functional groups are activating groups, which means they donate electrons to the benzene ring and increase its reactivity to electrophilic aromatic substitution reactions like Friedel-Crafts acylation.

Acetic anhydride adds an acetyl group to the benzene ring in a regioselective manner, which means it only adds to one position on the ring.

Thus, in this case, it adds to carbon 1, which is more reactive than carbon 4 due to the presence of the hydroxy group.

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Answer:

B

You are only trained as a Fry man kitchen helper in your restaurant. One day, one of the trained kitchen helpers assigned to the sauté station was absent. The Executive chef immediately assigned you to the sauté station by force.

What will you do considering that you have no training in that station?

Answer:

dew is wet and clouds are not

Explanation: