What is a word that means carbon and water

Answer: the answer is C

Explanation:

Ocean water contains dissolved salts, like halite and gypsum. The correct option is C.

The ocean is the salty water that covers an area of 70.08% of the total surface. It is a large body of water that covers the entire earth. There are seven oceans present with different names, and they are connected with each other. The ocean is one of the traveling routes for traveling and exporting and import of products.

The average salinity of the ocean is 3.5%. It contains salts, halite, and gypsum-like minerals and substances.

Thus, the correct option is C. contains dissolved salts, like halite and gypsum.

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Oxidation number is a number assigned to an atom in a chemical compound that represents the number of electrons lost or gained by the atom.

A balancing equation or balanced is a chemical expression wherein the tally of atoms for each constituent element mirrors harmoniously on either side of the equation. This harmonious alignment extends to both mass and charge, embodying equilibrium throughout.

The art of balancing equations holds great significance as it upholds the revered principles of the conservation of mass and the conservation of charge.

The conservation of mass, a fundamental decree, dictates that the essence of matter remains unaltered, impervious to creation or annihilation in the course of a chemical transformation.

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Complete question:

What is oxidation number and balancing equation?

The digestion process in an amoeba occurs within its cell membrane. They are characterized by their ability to form temporary extensions of their cytoplasm called pseudopodia which they use to move, capture food, and perform various other functions.

A form of single celled organism known as an amoeba is a member of the protozoa phylum. It is a tiny, eukaryotic organism with the capacity to modify its shape continuously and lacks a fixed shape. Amoebas belong to the phylum Amoebozoa and are typically found in freshwater habitats, soil, and marine sediments.

An amoeba can generate temporary extensions of its cytoplasm, known as pseudopodia, which it uses for a variety of activities include locomotion, feeding, and trapping prey. The amoeba can travel and ingest food particles by surrounding them thanks to its flexible pseudopodia, which may be expanded in any direction.

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Here is the complete question:

Describe the digestive system of the amoeba.

Answer:

Each of these organelles performs a specific function critical to the cell's survival. For example, biochemical reactions in a cell's mitochondria transfer energy from fatty acids and pyruvate molecules into an energy-rich molecule called adenosine triphosphate (ATP).

Explanation:

The final concentration of the solution is  0.395 M.

Concentration is the abundance of a constituent divided by way of the total extent of a combination. several types of mathematical descriptions can be outstanding: mass awareness, molar awareness, quantity attention, and volume concentration.

M₁ =1.40 M

V₁ = 66 ml = 0.066 L

M₂ = ?

V₂ = 238 ml = 0.238 L

M₁V₁=M₂V₂

M₂ = M₁V₁ / V₂

    = 1.40 × 0.066 / 0.238

    = 0.388 M

New volume V₁ = 119 ml = 0.119 L

                    V₂ = 0.117 L

M₁  = 0.388 M

M₂ =  M₁V₁ / V₂

    = 0.388 ×0.119 /0.117

     = 0.395 M

Hence, the final concentration is  0.395 M

The awareness of a substance is the quantity of solute found in a given amount of answer. Concentrations are normally expressed in phrases of molarity, defined as the number of moles of solute in 1 L of answer.

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Answer:

By measuring through scale

Explanation:

CAN YOU TELL THE NAME OF COUNTRY BECAUSE I AM FROM NEPAL

Answer:

e. electrons jump from higher energy levels to lower levels

Explanation:

Atoms emit visible and ultraviolet light as electrons fall from higher levels to lower level. Whenever there is a fall from a higher level to  lower level, the electron loses energy that is equivalent to the energy difference of the two energy levels. This energy manifests itself as light which includes Visible and UV light. The correct option is; E.

Answer:

Physical property

Explanation:

Physical properties differ from chemical properties in that a different substance is formed during a chemical process whereas, a physical property produces NO 'new' substance upon completion of change.  By definition, 'Triple Point' is the temperature-vapor pressure value where the substance of interest exists in all three states simultaneously; that is, solid, liquid and gas. In this, the chemistry of cyclohexane remains unchanged regardless of temperature-pressure conditions and no new compounds are formed as products of change.

Example:

At the triple point of cyclohexane C₆H₁₂(s)  ⇄  C₆H₁₂(l) ⇄ C₆H₁₂(g) ⇄ C₆H₁₂(s),  the cyclohexane is still cyclohexane regardless of state and is classified as a physical process. The combustion of cyclohexane in the presence of oxygen, however, produces new substances  (CO₂(g) and H₂O(g)) having chemical and physical properties different from original cyclohexane added in the process.

For the combustion of C₆H₁₂(g) => 2C₆H₁₂(g) + 13O₂(g) => 12CO₂(g) + 2H₂O(g) produces substances (CO₂(g) and H₂O(g)) having different physical and chemical properties than the C₆H₁₂(g) introduced into the system and is classified a chemical process.

Some types of solids that are insoluble in water are:

Many solids are insoluble in water, meaning they do not dissolve in water to a significant extent. Here are some examples of common solids that are generally insoluble in water:

Metals: Most metals, such as gold, silver, platinum, and copper, are insoluble in water.

Non-Metallic Elements: Many non-metallic elements, such as carbon (in the form of graphite or diamond), sulfur, phosphorus, and iodine, are insoluble in water.

Metal Oxides: Some metal oxides, particularly those of less reactive metals, are insoluble in water. Examples include aluminum oxide (Al2O3), iron(III) oxide (Fe2O3), and lead(II) oxide (PbO).

Metal Carbonates: Most metal carbonates are insoluble in water. Examples include calcium carbonate (CaCO3), lead(II) carbonate (PbCO3), and copper(II) carbonate (CuCO3).

Metal Sulfides: Many metal sulfides are insoluble in water. Examples include lead(II) sulfide (PbS), silver sulfide (Ag2S), and mercury(II) sulfide (HgS).

Insoluble Salts: Certain salts have limited solubility in water. Examples include silver chloride (AgCl), lead(II) iodide (PbI2), and calcium sulfate (CaSO4).

It's important to note that while these solids are generally insoluble in water, they may exhibit some solubility to a small extent. The solubility of a solid in water can vary depending on factors such as temperature, pressure, and the presence of other solutes.

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Answer:

4 millllllermeeters jb

Answer:

...

Explanation:

Answer:

T =201.4k

Explanation:

pressure = 102000pa= 1.007atm

v = 8L

n = 0.487mole

R = 0.08206Latm.mol-¹k-¹

T = ?

Answer:

neap tide

Explanation:

There are two different types of tides, which are the spring tide and the neap tide.

Neap tides are weak tides which occur when the gravitational forces of the sun and the moon are at right angles to each other with respect to the earth. Since the sun and moon are at right angles, it causes a difference between the low and high tide.

The spring tide are strong tides which occur when the moon, sun and earth are in straight line. The spring tide occur during full moon and new moon.

Answer:

Neap Tides  

The result is a neap tide. The same effect happens during third quarter. These occur during first and last quarter moons. The gravitational pull is not as strong.

Explanation:

the first answer is correct

The calculated formula masses to 133.5 amu, we find that the substance with a formula mass closest to 133.5 amu is (d) AlCl3. Therefore, the answer is option D.

To identify the substance with a formula mass of 133.5 amu, we need to calculate the formula mass of each given substance and compare it to 133.5 amu.

(a) MgCl2:

The formula mass of MgCl2 can be calculated by adding the atomic masses of magnesium (Mg) and chlorine (Cl).

Mg: atomic mass = 24.31 amu

Cl: atomic mass = 35.45 amu

Formula mass of MgCl2 = (24.31 amu) + 2(35.45 amu) = 95.21 amu

(b) SCl:

The formula mass of SCl can be calculated by adding the atomic masses of sulfur (S) and chlorine (Cl).

S: atomic mass = 32.07 amu

Cl: atomic mass = 35.45 amu

Formula mass of SCl = 32.07 amu + 35.45 amu = 67.52 amu

(c) BCl:

The formula mass of BCl can be calculated by adding the atomic mass of boron (B) and chlorine (Cl).

B: atomic mass = 10.81 amu

Cl: atomic mass = 35.45 amu

Formula mass of BCl = 10.81 amu + 35.45 amu = 46.26 amu

(d) AlCl3:

The formula mass of AlCl3 can be calculated by adding the atomic mass of aluminum (Al) and 3 times the atomic mass of chlorine (Cl).

Al: atomic mass = 26.98 amu

Cl: atomic mass = 35.45 amu

Formula mass of AlCl3 = 26.98 amu + 3(35.45 amu) = 133.78 amu. Option D

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Answer:

Explanation: Liquid Chromatography  

I'm sorry if i'm wrong

At equilibrium, the number of moles of \(Cl_2\) (g) will be 0.2025 mol.

1: Write the balanced chemical equation:

\(C_O\)(g) + \(Cl_2\)(g) ⟶ \(C_OCl_2\)(g)

2: Set up an ICE table to track the changes in moles of the substances involved in the reaction.

Initial:

\(C_O\)(g) = 0.3500 mol

\(Cl_2\)(g) = 0.05500 mol

\(C_OCl_2\)(g) = 0 mol

Change:

\(C_O\)(g) = -x

\(Cl_2\)(g) = -x

\(C_OCl_2\)(g) = +x

Equilibrium:

\(C_O\)(g) = 0.3500 - x mol

\(Cl_2\)(g) = 0.05500 - x mol

\(C_OCl_2\)(g) = x mol

3: Write the expression for the equilibrium constant (Kc) using the concentrations of the species involved:

Kc = [\(C_OCl_2\)(g)] / [\(C_O\)(g)] * [\(Cl_2\)(g)]

4: Substitute the given equilibrium constant (Kc) value into the expression:

1.2 x \(10^3\) = x / (0.3500 - x) * (0.05500 - x)

5: Solve the equation for x. Rearrange the equation to obtain a quadratic equation:

1.2 x \(10^3\) * (0.3500 - x) * (0.05500 - x) = x

6: Simplify and solve the quadratic equation. This can be done by multiplying out the terms, rearranging the equation to standard quadratic form, and then using the quadratic formula.

7: After solving the quadratic equation, you will find two possible values for x. However, since the number of moles cannot be negative, we discard the negative solution.

8: The positive value of x represents the number of moles of \(Cl_2\)(g) at equilibrium. Substitute the value of x into the expression for \(Cl_2\)(g):

\(Cl_2\)(g) = 0.05500 - x

9: Calculate the value of \(Cl_2\)(g) at equilibrium:

\(Cl_2\)(g) = 0.05500 - x

\(Cl_2\)(g) = 0.05500 - (positive value of x)

10: Calculate the final value of \(Cl_2\) (g) at equilibrium to get the answer.

Therefore, at equilibrium, the number of moles of \(Cl_2\) (g) will be 0.2025 mol.

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(a) Because acid is caustic, dolphins can perish from exposure to it. Acids are compounds that give other things protons (H+). Acid can react with the proteins and lipids in dolphins' skin when they come into touch with it, leading to chemical burns and damage to the underlying tissue. Systemic consequences from this include death.

(b) Because chlorine is a potent oxidizer, it interacts with red-hot iron powder to produce Iron(III) chloride (FeCl3) rather than Iron(II) chloride (FeCl2). FeCl3 is created when chlorine at high temperatures rapidly accepts electrons from iron atoms. Contrarily, iron interacts with HCl, a less potent oxidizer than chlorine, to produce FeCl2.

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Non -metals and metals differ in following trends:

Atomic radius

Ionization energy

Electron affinity

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The rate law and the value of k for the given reaction is 1.7×103 M⁻²s⁻¹. Therefore, option D is correct.

The word "rate law" refers to an expression that expresses reaction rate as the product of the stoichiometric coefficient of the reacting species in a balanced chemical equation multiplied by the molar concentration of the reactants, with each term raised to a power.

\(\rm Rate = k \times [NO]^{n} x [O_{2}]^ {m}\)

Thus, m must = 1

\(\rm Rate\ 1 = k \times [NO 1]^ {m} x [O_{2} 1]^ {n}\\Rate\ 2 = k \time [NO 2]^ {m} x [O_2 2]^ {n}\)

Rearranging this equation

\(Rate1 / [O_2 1]^{n} = k x [NO1]^ {m}Rate2 / [O_2 2]^{n} = k x [NO2]\)

but  [NO 1] = [NO 2]

Hence,

\(Rate1 / [O_2 1]^ {n}= Rate2 / [O_2 2]^{n}\)

Rearranging and substituting in the values

\(([O_2 2] / [O_2 1])^{n} = Rate2 / Rate 1\)

\(2^{n} = 2\)

So, n = 1

Same from run 1 to 3

[NO] doubled

[O₂] stayed constant

Rate quadrupled

\((2)^{n} = 4\)

n = 2

we know that rate = k x [NO]² x [O₂]

Substitute in any value for [NO], [O₂] and rate and calculate K

k = rate / [NO]² x [O₂]

= (8.55x10⁻³ M / sec) / ((0.030M)² x (0.0055M))

= 1.7×103 M⁻²s⁻¹

Thus, option D is correct.

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Your question is incomplete, most probably complete question is

Determine the rate law and the value of k for the following reaction using the data provided.

2 NO(g) + O2(g) 2 NO2(g)

[NO]i (M) [O2]i (M) Initial Rate (M-1s-1)

0.030 0.0055 8.55 x 10-3

0.030 0.0110 1.71 x 10-2

0.060 0.0055 3.42 x 10-2

A. Rate = 57 M-1s-1[NO][O2]

B. Rate = 3.8 M-1/2s-1[NO][O2]1/2

C. Rate = 3.1×105 M-3s-1[NO]2[O2]2

D. Rate = 1.7×103 M-2s–1[NO]2[O2]

Answer:

If the hydrated salt is overheated, it causes the anhydrous salt to decompose, causing the product to be lost as gas. The reported percentage of water loss will be too high because the gap between the initial measurement and final (which will be lower due to loss of sample) measurement will widen.

When scientists say that a theory can never be proven, they mean that it is not possible to conclusively demonstrate its truth. The word "theory" in science refers to a body of knowledge that has been well-established through rigorous testing and observation. However, this does not mean that it is an absolute truth.

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Answer:

The change in internal energy of a system can be found by combining the heat energy added to a system minus the work done by the system is not a direct application of second law of thermodynamics.

Explanation:

Second law of thermodynamics states that heat can be transfer spontaneously from high temperature to low temperature only.

The change in internal energy of a system can be found by combining the heat energy added to a system minus the work done by the system is not a direct application of second law of thermodynamics because according to the second law of thermodynamics it is impossible in any system for heat transfer from a source to completely convert to work done in a cyclical process( bring the system to its original stage after each cycle) in which the system then return to it's original stage.

Answer:

A. synthesis

Explanation:

The reaction given is a synthesis reaction in which two substances combines to give a product.

In this reaction:

      4Fe + 3O₂ →  2Fe₂O₃

The reaction involves the formation of a single product from two or more reactants.

The formation of a compound from union of the constituent elements also falls into this category of reaction.

The reaction order and specific reaction rate constant can be determined by performing the kinetics experiment on irreversible polymerization A. Kinetic experiments can be used to investigate the rate and mechanism of chemical reactions. Chemical kinetics is the study of chemical reactions' speed and pathway.

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Here it is, you know... Googling helps :)

The Lewis structure of SeO₃ is attached to the image below.

Selenium (Se) is in Group 16 of the periodic table, so it has 6 valence electrons. Oxygen (O) is in Group 16 as well, so each oxygen atom contributes 6 valence electrons. Since there are three oxygen atoms, the total number of valence electrons is:

6 (valence electrons of Se) + 6 (valence electrons of each O) 3 (number of O atoms)

= 6 + 18 = 24

The central atom in SeO3 is selenium (Se) since it is less electronegative than oxygen and can accommodate more than two bonded atoms.

Place the selenium atom in the center and connect it to each oxygen atom using a single bond. Each bond consists of two electrons.

Subtract the number of electrons used in step 3 from the total number of valence electrons: 24 (total valence electrons) - 6 (bonds) = 18

Distribute the remaining 18 electrons around the atoms to satisfy the octet rule.

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The milliliters of hot air that a balloon's gondola is suspended below is 2775millilitres.

Litres and millilitres are both unit of measures of volume.

According to this question, a hot air balloon's gondola is suspended below a cloth envelope containing 2.775 x 10⁰ liters of hot air.

The conversion factors of litres to milllilitres;

1000mL = 1L

2.775 × 10⁰ × 1000 = 2775millilitres

Therefore, the milliliters of hot air that a balloon's gondola is suspended below is 2775millilitres.

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The property X is an extrinsic property.

The term extensive property refers to the type of property that depends on the amount of the substance present. We must recall that an intensive property does not in any way depend on the number or the amount of the substance present in the sample.

If we have a good look at the table that is being referred to here, we would see that the mass of the substance tends to increase as a certain un named property of the substance X is increasing. This implies that the property X is affected by the mass of the object which is the quantity of matter in the object. This gives us an idea that the property that we are referring to can not be an intrinsic  property since it varies with the mass of the substance that is under study as shown.

We can then conclude that the property X is an extrinsic property.

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Missing parts;

Carrie measured mass and another property, X, of three pure samples of the same compound. She recorded her data in the table. Which of the following best describes property X?

A. X  is an intensive property because it does not vary with the size of the sample.

B. X is an extensive property because it does not vary with the size of the sample.

C. X is an extensive property because it varies directly with the size of the sample.

D. X is an intensive property because it varies directly with the size of the sample.