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Electrolyte:

The substance that conducts electricity is known as an electrolyte.

Explanation :

For example, strong and weak acids and bases, as well as salts, are examples of electrolytes. In contrast, nonelectrolytes are substances that do not conduct electricity.

Strong electrolyte: Strong electrolytes fully dissociate in solution to produce ions.

For example, all ionic compounds are strong electrolytes, and acids such as hydrochloric acid and nitric acid are strong electrolytes.

Weak electrolyte: Weak electrolytes only partially ionize in solution, resulting in a few ions and a few molecules in solution.

For example, weak acids like acetic acid are weak electrolytes.

Nonelectrolyte: Nonelectrolytes don't conduct electricity in solution because they don't produce ions. For example, sugar and ethanol are both nonelectrolytes.

The following are the identifications of each substance as a strong electrolyte, weak electrolyte, or nonelectrolyte:

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Answer:

it have been already balanced

2H2 + O2 = 2H2O.

Answer:

The genetic material of plant and animal cells is located in the nucleus (option B).

Explanation:

In living beings the nucleus of each cell contains the genetic information in a molecule called DNA. The DNA is formed by chains of nucleotides, whose order and sequence determine this information.

A DNA molecule forms a chromosome, and this contains genes, corresponding to segments or fractions of the DNA molecule that forms it. This information, contained in the nucleus, is necessary for the construction and functioning of each living being.

Lysosomes , cell wall  and chloroplasts are other cellular structures that do not store genetic material.

Answer:

in the nucleus so b is the answer.

Explanation:

Answer:

The histosols of peat pogs are soils rich in organic material but poor in mineral nutrients, and are not fertile. Conversely, aridosols (desert soils) have an abundance of mineral nutrients but a dearth of organic matter and are also not fertile.

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If an object is added to a graduated cylinder containing 12.5 mL of water. If the volume of the object is 7.6 mL, then the new volume of the water in the graduated cylinder would be 20.1 mL, therefore the correct answer is option D.

It can be defined as the mass of any object or body per unit volume of the particular object or body.

As given in the problem an object is added to a graduated cylinder containing 12.5 mL of water. If the volume of the object is 7.6 mL,

The new volume in the graduated cylinder = 12.5 + 7.6

                                                                        = 20.1 mL

If something is put in a graduated cylinder with 12.5 mL of water in it. The new volume of water in the graduated cylinder if the object's capacity is 7.6 mL would be 20.1 mL, hence option D is the proper response.

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Answer: The molality of the aqueous solution is 56.35 m.

To determine the molality of an aqueous solution prepared by dissolving 0.224 moles of RbCl in 27.4 moles of H2O, you need to calculate the total number of moles of solute and the mass of the solvent.

First, calculate the total number of moles of solute. This is the sum of 0.224 moles of RbCl and 27.4 moles of H2O: 0.224 + 27.4 = 27.624 moles.

Next, calculate the mass of the solvent (H2O). We know that the molar mass of H2O is 18.02 g/mol, so the mass of 27.4 moles of H2O is: 27.4 mol x 18.02 g/mol = 492.368 g.

Finally, use the following equation to calculate the molality of the solution: molality = moles of solute / (mass of solvent / 1000). Plugging in our values, we get:
Molality = 27.624 moles / (492.368 g / 1000) = 56.35 m.

Therefore, the molality of the aqueous solution is 56.35 m.

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In this question, we have a situation where a gas is in constant pressure but changing its volume and temperature, and the best way to solve a situation like this, is through the Charles's gas law formula, which shows the relationship between volume and temperature when the pressure is constant. The formula is:

V1/T1 = V2/T2

We have:

V1 = 125 cm3, or 0.125 Liters

T1 = 10.0°C, or 283 K

V2 = 140 cm3, or 0.140 Liters

T2 = ?

Now we add these values into the formula:

0.125/283 = 0.140/T2

0.000442 = 0.140/T2

T2 = 0.140/0.000442

T2 = 317 K, or 44°C

Our sun is a star that is fueled by a specific type of nuclear reaction. The type of nuclear reaction is Fusion.

When two atoms collide to create a heavier atom, such as when two hydrogen atoms combine to create one helium atom, this process is known as fusion. The Sun is a main-sequence star, and thus generates its energy by nuclear fusion of hydrogen nuclei into helium.

This process generates enormous amounts of energy, many times more than fission, and powers the sun. Furthermore, it doesn't generate radioactive fission products.

Scientists are studying fusion processes, but they are challenging to maintain for extended periods of time due to the extreme pressure and temperature required to fuse the nuclei together.

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The concentration of [Ag+] present in the solution is 6.53 × 10⁻⁸ M

From the given information, the equation for the reaction between silver ion and ammonia can be represented as:

Ag⁺ + 2NH₃ ↔ [Ag(NH₃)₂]⁺

Given that the solubility constant (Ksp) for the product formed = 1.7 × 10⁷.

The solubility constant for this reaction can be expressed as:

\(\mathbf{Ksp = \dfrac{[Ag(NH_3)_2]^+}{[Ag^+][NH_3]^2} }\)

where;

\(\mathbf{1.7 \times 10^7 = \dfrac{0.025}{(x)(0.15)^2}}\)

\(\mathbf{1.7 \times 10^7 = \dfrac{1.1111}{x}}\)

\(\mathbf{x = 6.54 \times 10^{-8} \ M}\)

Therefore, we can conclude that the concentration of  [Ag+] = x = 6.54 × 10⁻⁸ M.

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Answer:

15.998 grams

Explanation:

Pls, choose me as brainliest!

Answer:  The correct answer is 15.999 grams.

Because I tried the one at the top it was wrong, but my answer is right!!!

Explanation:

The relation between half-life and rate at which it is decaying is given by

t(1/2) = log2/rate

now in the above problem half-life is given as 1459 years substituting in the above equation we get the value of rate at which it is decaying to be rate=0.0001075.

The amount of substance that is present after t years given that the half-life of the substance is h is calculated through the equation,

A(t) = A(o)(0.5^t/h)

The 1/2-life of a radioactive isotope is the quantity of time it takes for one-1/2 of the radioactive isotope to decay. The half of-existence of a selected radioactive isotope is consistent; it's miles unaffected by using situations and is independent of the initial quantity of that isotope.

1/2-life (symbol t1⁄2) is the time required for an amount (of substance) to reduce to half of its initial price. The time period is commonly utilized in nuclear physics to explain how speedy volatile atoms undergo radioactive decay or how long strong atoms survive.

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lol ag chem

Shiii I’m tranna find out

Answer:

sog-20g=30g

Explanation:

Answer:

(the numbers are suppose small on the bottom right of the letter)

1. H2SO4 + K

2. H2SO4 + Mg

3. HCL + Na

Based on the given options, the following statements are true of carbon: It can form a maximum of four covalent bonds with other elements and It can form both polar and nonpolar bonds.

Carbon is an element with atomic number 6, meaning it has six protons in its nucleus. It has four valence electrons, which are the electrons involved in bonding with other atoms.

Carbon's electron configuration allows it to form four covalent bonds by sharing its valence electrons with other atoms. This property is known as tetravalency and is a fundamental characteristic of carbon.

Additionally, carbon can form both polar and nonpolar bonds depending on the atoms it is bonded to and the electronegativity difference between them.

When carbon bonds with atoms of similar electronegativity, such as hydrogen, the bond is nonpolar because the electrons are shared equally. However, if carbon bonds with atoms of higher electronegativity, such as oxygen or nitrogen, the bond becomes polar due to the unequal sharing of electrons.

In summary, carbon can form a maximum of four covalent bonds with other elements due to its tetravalent nature. It is not highly electronegative itself but can form both polar and nonpolar bonds depending on the atoms it is bonded to. Therefore, the correct statements are:

It can form a maximum of four covalent bonds with other elements.

It can form both polar and nonpolar bonds.

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Answer :

A.) Kinetic energy

Explanation:

When work is either added to or taken away from a system, it forces the kinetic energy to change.

The work-energy theorem states : change in kinetic energy of an object is equal to the work done on the object

[ I took the quiz already on Edgenuity and received 100% ]

Hope this helped ! :)

Answer:

Kinetic energy

Explanation:

Edge 2020

By performing the necessary calculations and comparing the Q/K ratios, we can determine whether calcite or dolomite would form first in the given water sample with [Mg2+]∼0.10 mmol/L.

To determine which mineral, calcite or dolomite, would form first in the given water sample with [Mg2+]∼0.10 mmol/L, we need to calculate the saturation index (SI) for each mineral by comparing the Q/K ratios. The mineral with the higher SI will be more likely to precipitate first.

The saturation index (SI) is calculated by comparing the ion activity product (Q) with the equilibrium constant (K) for a particular mineral. In this case, we have the equilibrium reaction: CaMg(CO3​)2​⇌Ca2++Mg2++2CO3​2−.

For calcite, the Q/K ratio can be calculated using the concentration of Ca2+ and CO3​2− ions in the water sample. Since dolomite contains both Ca2+ and Mg2+ ions, we need to consider the concentration of Mg2+ as well.

By comparing the Q/K ratios for calcite and dolomite, we can determine which mineral has a higher saturation index (SI). The mineral with the higher SI will be more likely to precipitate first.

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Answer:

Shenzi

Banzai

Ed

Scar

Simba

Timon

Pumbaa

Explanation:

they don't make their own food but get it from other organisims

The concentration of H₂O, given that the solution has a OH⁻ concentration of 8×10⁻¹² M is 8×10⁻¹² M

First, we shall write the dissociation equation. This is given below

H₂O(aq) <=> H⁺(aq) + OH⁻(aq)

Now, we shall obtain the concentration of H₂O. Details below:

From the above dissociation equation,

1 mole of OH⁻ is present in 1 mole of H₂O

Therefore,

8×10⁻¹² M OH⁻ will also be present 8×10⁻¹² M H₂O

Thus, we can conclude that the concentration of H₂O in the solution is 8×10⁻¹² M

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Answer: equal to the number of electrons gained.

Answer: it's alpha decay (α)

Explanation: mass number of mother nucleus decreases by four and number of protons decreases by two. Smaller nucleus is He-4 nucleus.

Answer:

Alpha decay

Explanation:

Got it right on edge

Answer:

There is something wrong with my cell phone. It doesn't have your number in it.

Explanation:

Explanation:

First find the mass of 1 mole of water (Molecular mass)

\( H_{2} O = 2H + O \)

\(

= 2(1) + 32 \)

\(

= 34 \: grams

\)

Hence 1 mole of water is 34 g

Compare

1 mole = 34 g

1.33 mole = x g

\( \frac{x}{34} = \frac{1.33}{1} \)

\(

x = 1.33 \times 34 \)

\(

\color{blue}{\boxed{x = 45.2}} \: \: \: \: to \: 3 \: s.f.

\)

Therefore 1.33 moles of water is 45.2 grams

The mass of the substances can be given by the molar mass and the moles of the substances. The mass of 1.33 mole of water is expressed in grams as, 23.94 grams.

The mass has been defined as the product of the moles of the substance and the molar mass in grams per mole. The mass is given in grams and has a formula,

Moles = mass ÷ molar mass

Mass = molar mass × moles

Given,

Moles = 1.33 moles

Molar mass of water (H₂O) is calculated as = 2 (1) + 16= 18 grams per mole

Using the formula of mole, mass is calculated as:

Mass = molar mass × moles

mass = 1.33 × 18

= 23.94 grams

The mass of the substance can be calculated if the value of the molar mass and the moles of the substance has been known. The molar mass of the substance can be calculated by adding the mass of the individual masses of the element in a molecule.

Therefore, 1.33 mol of water contains 23.94 grams.

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The increase in energy when tetrahedral bond angles deviate from the optimum angle of 109.5 degree is known as angle strain.

In cycloalkanes, the carbon atoms are sp3 hybridized, which would imply an ideal tetrahedral bond angle of 109.5 degree whenever possible. cycloalkanes look like shapes such as a triangle, square, tetrahedral. all the rings are in a flat or planar shape. Bayer Theory suggests that the difference between the ideal bond angle (which is 109.5° for sp3 carbon) and the angle in the planer cycloalkane causes the strain, which is called angle strain. According to the Bayer Theory, cyclopentane would be the most stable because its bond angle, 108°, is closest to the ideal angle of 109.5°. Cyclopropane would be the least stable one since it has the largest angle deviation of 49.5° (60° vs 109.5°). It was also predicted that cyclohexane would be less stable than cyclopentane because of the larger angle deviation (10.5° deviation for cyclohexane vs 1.5° for cyclopentane), and as the number of sides in the cycloalkanes increases beyond six, the stability decreases.

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According to the claim made, the maximum current it can produce for 70 hours is 2.71A.

To create a lead-acid battery, two electrodes are submerged in an environment of sulfuric acid. In contrast to the column, the harmful electrode is attached to a mesh of metallic lead. The metallic lead oxide grains that make up the column are constructed.

Since lithium-ion batteries can tolerate higher current rates, they can be charged more quickly than lead-acid batteries. For applications that require quick responses, where vehicles are utilized more frequently and with less breaks, this is crucial. As more water is converted to hydrogen, the amount of water inside the battery drops.

The maximum current for 65 hours will be I = 190Ah/70h I = 2.71 A.

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