why are some properties of water different than those of the reactants gases​

Answer:

Explanation:

aluminum

Answer: The aluminum ion

Explanation:

Roman numerals are a numeral system that originated in ancient Rome and remained the usual way of writing numbers throughout Europe well into the Late Middle Ages. Numbers in this system are represented by combinations of letters from the Latin alphabet.

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0.26L is the volume of sodium hydroxide, NaOH, needed for the reaction to occur.

A measurement of three-dimensional space is volume. Several imperial or US customary units, as well as SI-derived units (such the cubic meter and liter), are frequently used to quantify it quantitatively (such as the gallon, quart, cubic inch).

Volume and length (cubed) have a symbiotic relationship. The capacity of such a container is typically regarded to be its volume.

Molarity₁×Volume₁=Molarity₂×Volume₂

0.95 × 0.42=1.5×Volume₂

Volume₂=(0.95 × 0.42)/1.5

             =0.26L

Therefore, 0.26L is the volume of sodium hydroxide, NaOH, needed for the reaction to occur.

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Answer

0.16574

Explanation:

because why not

Answer:

coastal area with very high tides deep ocean water miles from a river's mouth

Explanation:

Marshes are a type of wetland ecosystem where water covers the ground for long periods of time. Marshes are dominated by herbaceous plants, such as grasses, reeds, and sedges(National Geographic Society).

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While a dipeptide has two amino acids, a polypeptide has many. many chemical reactions, called dehydration synthesis reactions, occur by removing water. The central part of an atom is called the nucleus.

Nonpolar covalent compounds do not dissolve in water, meaning they are hydrophobic. Ionic compounds readily dissolve in water, meaning they are hydrophilic.

Hydrophilic materials draw or absorb water, whereas hydrophobic materials resist it. The chemical composition and surface roughness, among other things, affect a material's hydrophobic or hydrophilic properties. Hydrophobic materials include things like magic sand, lotus leaves, and nano-tex fabric.

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To calculate the concentration of hydrogen ions ([H+]) from the pH of a solution, you can use the following formula:

[H+] = 10^(-pH)

Let's apply this formula to determine the [H+] for a solution with a pH of 5.4:

[H+] = 10^(-5.4)

Calculating this using a scientific calculator or mathematical software, we get:

[H+] ≈ 3.981 x 10^(-6) mol/L

Therefore, the concentration of hydrogen ions in the solution is approximately 3.981 x 10^(-6) mol/L.

The concentration of hydrogen ions in the solution is approximately 2.51 × 10^(-6) mol/L.

To calculate the concentration of hydrogen ions ([H+]) in a solution based on its pH, we can use the formula:

[H+] = 10^(-pH)

Given that the pH of the solution is 5.4, we can substitute this value into the formula:

[H+] = 10^(-5.4)

Using a scientific calculator or logarithmic tables, we can evaluate this expression:

[H+] ≈ 2.51 × 10^(-6) mol/L

Therefore, the concentration of hydrogen ions in the solution is approximately 2.51 × 10^(-6) mol/L.

To clarify the calculation, we take the negative logarithm (base 10) of the hydrogen ion concentration to obtain the pH value. In this case, we are given the pH and we use the formula in reverse to determine the hydrogen ion concentration [H+]. The result indicates that the solution has a relatively low concentration of hydrogen ions.

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Scientists hypothesized the existence of another subatomic particle in the nucleus because helium has an atomic mass ratio of 4:1 to hydrogen. Helium and hydrogen have a mass ratio of 2:1 if protons were the only subatomic particles in the nucleus.

Rutherford's well-known gold foil experiment helped him discover protons in 1909. He bombarded a paper-thin piece of gold with alpha particles. Alpha particles, which have a positive charge, struck a piece of gold foil. Alpha particles mostly passed through unharmed. This demonstrated that the gold atoms contained largely void space. All atoms include minuscule, negatively charged subatomic particles or electrons, as demonstrated by J.J. Thomson's cathode ray tube studies. Thomson proposed the plum pudding model of the atom, which had positively-charged "soup" and negatively-charged electrons inside. The gold foil test was the most well-known experiment conducted by Ernest Rutherford. A beam of alpha particles was aiming at the gold foil. Although some alpha particles were scattered backward, the majority of them pierced the foil. This demonstrated that the vast majority of an atom is composed of void space that encircles a tiny nucleus.

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Answer:

the electron will be drawn more toward the atom with the higher e lectronegativity resulting in a polar covalent bond.

Explanation:

When atoms of different elements share electrons through covalent bonding, the electron will be drawn more toward the atom with the higher e lectronegativity resulting in a polar covalent bond. When compared to ionic compounds, covalent compounds usually have a lower melting and boiling point, and have less of a tendency to dissolve in water.

Answer:

a person or persons murder

Answer: the aerodynamics of hummingbird wings.

Explanation: i got it right

Answer:

b) spruce tree

Explanation:

Producers have the capability to produce their own food and energy and are often at the bottom of the food chain. Of the given answers, a white spruce is the only organism that is capapble of producing its own food, therefore it is a producer.

To solve the dilution problem, we can use the formula:

C₁V₁ = C₂V₂

Where:

C₁ is the initial concentration,

V₁ is the initial volume,

C₂ is the final concentration, and

V₂ is the final volume.

Given:

C₁ = 12 M (concentration of the concentrated HCl),

V₂ = 500 mL (final desired volume),

C₂ = 2.0 M (final desired concentration).

Let's solve for V₁:

C₁V₁ = C₂V₂

(12 M)(V₁) = (2.0 M)(500 mL)

Cross multiplying:

12V₁ = 2.0 × 500

12V₁ = 1000

V₁ = 1000 / 12

V₁ ≈ 83.33 mL

Therefore, the chemist should measure out approximately 83.33 mL of concentrated 12 M HCl to produce 500 mL of 2.0 M HCl.\(\)

The electric current is  0.025 A

Electric current refers back to the go with the flow of energy in an electronic circuit and to the amount of strength flowing through a circuit. it's far measured in amperes (A). the bigger the cost in amperes, the more energy is flowing within the circuit.

Ag+ + e¯ →Ag

1F deposits 107.87 g/mol (molecular mass) of silver

1F = 96500 C

Let, 107.87 g/mol needed = 96500 C

Number of coulombs required to deposit 0.3650 g of silver =(96500/107.87) 0.3650  

Q = 326.5 C

According to Faraday’s law, Q = I x t

I = 326.5 C / (216 x 60 s) = 0.025 A

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The volume of water needed to make the solution is 473.76 mL

We'll begin by calculating the volume of the diluted solution.

M₁V₁ = M₂V₂

15.5 × 5.41 = 0.175 × V₂

83.855 = 0.175 × V₂

Divide both side by 0.175

V₂ = 83.855 / 0.175

V₂ = 479.17 mL

Finally, we shall determine the volume of water needed.

Volume of water = V₂ – V₁

Volume of water = 479.17 – 5.41

Volume of water = 473.76 mL

Therefore, the volume of the water needed is 473.76 mL

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Answer:

By breaking down glucose into an energy molecule (ATP), so by producing energy which is necessary for the cell's survival.

Explanation:

Answer:

2.24 m

Explanation:

Initial: 329 m

Final: 1.0487 m

3.29m - 1.0487m = 2.2413m

Round 2.2413 ➞ 2.24 m

The difference in depth is 2.2413 m measued the initial depth of liquid in a reactor vessel is 3.29 m and the final depth s 1.0487 m.

A liquid reactor is a container of cylindrical shape in which the liquid is filled with some optimum temperature and pressure and the volume of some catalysts is also added to it to perform the reaction in the reactor.

As they are big in size and have depth and height so,  the initial depth of liquid is 3.29 m, and the final depth s 1.0487 m after subtracting the values from each other the difference is 2.2413 m.

Therefore, the initial depth of liquid in a reactor vessel is 3.29 m, and the final depth s 1.0487 m  difference in depth is 2.2413 m measured.

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The number of C atoms in 0.522 mol of C is:

Nc = 0.522 mol * Avogadro's number

Nc = 0.522 mol * 6.022 x 10^23 atoms/mol

Nc = 3.145 x 10^23 atoms

So there are 3.145 x 10^23 atoms of C in 0.522 mol of C.

The products of the alpha decay of radium-226 and the beta decay of carbon-14 are radon-222 and nitrogen-14, respectively.

The alpha decay of radium-226 results in the emission of an alpha particle, which is a helium nucleus consisting of two protons and two neutrons.

Therefore, the product of the alpha decay of radium-226 is radon-222:

Ra-226 → Rn-222 + alpha particle

On the other hand, In the case of carbon-14, beta minus decay occurs, in which a neutron is converted into a proton, and an electron and an antineutrino are emitted.

So carbon-14 becomes nitrogen-14:

C-14 → N-14 + beta particle

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--The complete Question is, What is the product of the alpha decay of radium-226 and the beta decay of carbon-14?--

Answer:

D) Repeating units.

Explanation:

Polymers are large macromolecules which are made up of many repeating structural units called monomers :)

Answer:

The answer is Option A = CCl2F2

The chemical formula for an organic molecule is CCl2F2. The correct option is A.

An organic molecule is a complicated compound that is chiefly comprised of carbon atoms bonded with other elements and another carbon atoms.

All lifeforms on Earth are comprised of organic molecules. A molecule is a cluster of atoms which are basically bonded together.

Molecules other than organic molecules is referred to as inorganic molecule. These are basically simple and are not usually encountered in living things.

Although all organic substances encompasses carbon, some substances containing carbon, such as diamonds, are taken as inorganic.

Organic compounds as well as inorganic compounds develops the basis of chemistry.

The chief distinction between organic and inorganic compounds is that organic compounds always contain carbon while most inorganic compounds do not encompass carbon.

Also, perhaps all organic compounds contain carbon-hydrogen or C-H bonds.

Thus, the correct option is A.

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Answer: 25 μg of calcium in a total volume of 57 mL to ppm is 0.4386ppm

Explanation:

Please see the attachments below

Answer:

something that can be maintained over a period of time

Answer:

a balance between meeting today's needs.......

Explanation:

Answer:

See explanation

Explanation:

In this question, we have to follow the IUPAC rules. Lets analyze each compound:

a. 1-methylbutane

In this compound we have a chain of 5 carbons, so the correct name is Pentane.

b. 1,1,3-trimethylhexane

In this compound, we longest chain is made of 7 carbons, so, we have to use the name "heptane". Carbon one would be the closet one to the methyl group, so the correct name is  2,4-dimethylheptane.

c. 5-octyne

In this case, carbon 1 would be the closet one to the triplet bond. With this in mind, the correct name is oct-3-yne.

d. 2-ethyl-1-propanol

In this compound, we longest chain is made of 4 carbons, so, we have to use the name "butane". Carbon one would be the carbon with the "OH" group, so the correct name is  2-methylbutan-1-ol.

e. 2.2-dimethyl-3-butanol

In this case, carbon 1 would be the closet one to the "OH". With this in mind, the correct name is 3,3-dimethylbutan-2-ol.

See figure 1

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dolphin and whales use echolocation

Answer: Decomposition

Explanation:

Answer:

what I don't understand anymore JJ is the best thing I think it's help with that I hope it's a pako I will be there in about a

collision theory

Explanation:

Collision theory, theory used to predict the rates of chemical reactions, particularly for gases. The collision theory is based on the assumption that for a reaction to occur it is necessary for the reacting species (atoms or molecules) to come together or collide with one another.

The method used to separate copper sulfate and water mixture was evaporation.

Explanation:

So, from this, we can conclude that the method used to separate copper sulfate and water mixture was evaporation.

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Answer:

Just did this on my test the answer is evaportion.

Explanation: