a chemical formula contains information about the relative numbers of each type of atom in a compound. complete the following stoichiometric relationships.
1 mol NH3 contains ... mol N and .... mol H.

Answer:0

Explanation: zero because it is the most stable form of oxygen in its standard state

Answer:

Ok, in number 1 you have to write down the characteristics of light listed there in the Venn diagram, and place them in each column.

In number 2, you have to color in the boxes for with the corresponding color. For example, in box R, you would color red, and so on. Then, you have to color the wave of light following your chart on top of it.

In number 3 you have to color the apple red, and color the sun yellow and draw a yellow ray from the sun hitting the apple and then changing into red and bouncing into the eye.

Explanation:

I hope this helps.

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Ok I gave you the answer to question 2 and 3, the answer to question 1 is:

cannot be seen is ultraviolet light, can be seen is visible light, higher energy is ultraviolet light, lower energy is visible light, from of electromagnetic energy is both, emitted from the sun is ultraviolet light. :)

Answer:

Explanation:

= 7.36 g of Cu

Moreover, Copper is a chemical element with the symbol Cu and atomic number 29. It is a soft, malleable and ductile metal with very high thermal and electrical conductivity. The freshly exposed surface of pure copper has a pinkish-orange color.

Copper is one of the few elements found in nature in essentially pure form. These samples of copper metal are on display at the Smithsonian Museum of Natural History.

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The type of compound that can be made in one step from a secondary alcohol is a ketone. This is because the process of oxidizing a secondary alcohol results in the formation of a ketone.

Oxidation is a chemical reaction that involves the loss of electrons, and in the case of secondary alcohols, the loss of two electrons from the hydroxyl group (OH) results in the formation of a carbonyl group (C=O) that characterizes ketones.The reaction can be carried out by using various oxidizing agents such as chromic acid, potassium permanganate, or sodium dichromate. The choice of the oxidizing agent depends on the specific secondary alcohol being used and the desired end product. However, it is important to note that the reaction conditions need to be carefully controlled to avoid over-oxidation, which can lead to the formation of a carboxylic acid.In conclusion, a ketone can be made in one step from a secondary alcohol through oxidation. This process is commonly used in organic synthesis to create various compounds that have different applications in industries such as pharmaceuticals, perfumes, and flavors.Hi! The compound that can be made in one step from a secondary alcohol is D. a ketone. When a secondary alcohol undergoes oxidation, it is converted into a ketone.

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Answer:

30.5%

Explanation:

Answer:

A

Explanation:

Answer:

A. Hard

Explanation: got it correct on Edg

Answer:

double displacement reaction also neutralization reaction cause of acid and base

Answer:

Double Replacement Reaction

Explanation:

KOH + H₃PO₄ --> K₃PO₄ + H₂O

AB + CD --> AD + BC

K goes with PO4 and H goes with OH

The statements regarding complex ions that are true c)only transition metals can form complex ions.

A complex ion is an ion that consists of one or greater ligands which are connected to a primary metallic cation via a dative covalent bond. A ligand is a species which can shape a dative covalent bond with a transition metallic the use of its lone pair of electrons. A complicated ion bureaucracy from a metallic ion and a ligand due to a Lewis acid–base interaction. The definitely charged metallic ion acts as a Lewis acid, and the ligand, with one or greater lone pairs of electrons, acts as a Lewis base.

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Answer:

The metal in a complex ion acts as a Lewis acid, and the ligand acts as a Lewis base.

Coordinate covalent bonds are the primary interaction between the Lewis acid and Lewis base in complex ions

Explanation:

The metal (cation) in a complex ion accepts a pair of electrons from the ligands. This means the metal acts as a Lewis acid, and the ligands act as Lewis bases. The Lewis base donates a pair of electrons to the Lewis acid, forming a coordinate covalent bond between ligand and metal.Ligands are Lewis bases (electron pair donors). They can be negatively charged (such as OH−) or neutral molecules (such as H2O).Metals act like Lewis acids in complex ions. The metals need not be transition metals. For example, aluminum (Al3+) is a main group element that can act like a Lewis acid to form complex ions.

Answer:

how is this a question this is more of a statement but is this is a question the answer would be yes that is correct.

Explanation:

because in the periodic table that is where hydrogen stands.

Answer:

Micro, milli, deci, deca, mega

Explanation:

the suffix each denote the amount in comparison to a liter

The given statement, After the removal of carbon, the oxygen in CO₂ ends up is False.

Carbon dioxide (CO₂) is a compound made up of two elements, carbon and oxygen, in a ratio of one carbon atom for every two oxygen atoms. When carbon dioxide is removed, the oxygen atoms do not remain isolated - instead, they bond with other oxygen atoms from the surrounding environment, forming oxygen gas (O₂).

Oxygen gas is highly reactive and forms strong bonds with other oxygen atoms to form molecules of the natural gas O₂. The result is that the oxygen that was part of the carbon dioxide is no longer present - it has become part of the newly formed oxygen gas molecules.

Oxygen gas is present in the atmosphere and it is highly reactive and mobile, meaning that it can quickly move and form bonds with other elements. When carbon dioxide is removed, the oxygen atoms that were part of the molecule become part of oxygen gas instead, creating molecules of the natural gas O₂.

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The cylinder that contains gas closest to absolute zero temperature is cylinder D.

The correct option is cylinder D, 0. 0005 m/s.

Gas is one of the four states of matter. Gas is made up of individual atoms. The molecules of gas are very far from each other.

There are many gases present in the atmosphere.

The speed of gas depends on the temperature of the cylinder. The lower the temperature, the slower the speed of the molecule of gas.

Thus, cylinder D (0. 0005 m/s) has the slowest speed, which is related to low temperature absolute zero.

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Acid first forms a highly concentrated solution when water is added to it, and this solution may vigorously boil, spitting concentrated acid. Acid and water combine to form an incredibly dilute solution that cannot be vaporized and spattered because of the insufficient heat output.

An exothermic reaction occurs when water is introduced to a concentrated acid; the heat that is produced may cause the liquid to splash out and cause burns. In contrast, the mixture won't splash out when acid is gradually added to water while stirring continuously since less heat is produced. Concentrated acid is splashed out of the container when water is added to the solution, which causes the solution to violently boil. Here, hydration results in an exothermic process that releases a significant quantity of energy. As a result, concentrated acid is introduced to water instead of the other way around.

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Answer:

saturated

Explanation:

This problem is asking for the dissolution reaction of barium fluoride, both the equilibrium and Ksp expressions in terms of concentrations and x and its molar solubility in water. Thus, answers shown below:

In chemistry, when a solid is dissolved in water, one must take into account the fact that not necessarily its 100 % will be able to break into ions and thus undergo dissolution.

In such a way, and specially for sparingly soluble solids, one ought to write the dissolution reaction at equilibrium as shown below for the given barium fluoride:

\(BaF_2(s)\rightleftharpoons Ba^{2+}(aq)+2F^-(aq)\)

Next, we can write its equilibrium expression according to the law of mass action, which also demands us to omit any solid and refer it to the solubility product constant (Ksp):

\(Ksp=[Ba^{2+}][F^-]^2\)

Afterwards, one can insert the reaction extent, x, as it stands for the molar solubility of this solid in water, taking into account the coefficients balancing the reaction:

\(Ksp=(x)(2x)^2\)

Finally, we solve for the x as the molar solubility of barium fluoride as shown below:

\(2.5x10^{-5}=(x)(2x)^2\\\\2.5x10^{-5}=4x^3\\\\x=\sqrt[3]{\frac{2.5x10^{-5}}{4} } \\\\x=0.0184M\)

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Answer:

Carbon dioxide

HAVE A GOOD DAY!

Answer:

Carbon Dioxide

Explanation:

Carbon dioxide is in the atmosphere and is an end product in organisms that obtain energy from breaking down sugars, fats and amino acids with oxygen as part of their metabolism.

Litmus paper and Phenolphthalein are both indicators. This means they will change colour in the presence of an acid or a base.

Litmus paper turns blue in a base and remains red when it is in contact with an acid or neutral solution. Phenolphthalein turns pink in a base, but is coluorless in an acid or neutral solution.

The final result is 20100 kg/m³, which is the equivalent density in SI units. This means that a material with a density of 20.1 g/cm³ has a density of 20100 kg/m³ when expressed in SI units. It is important to use the correct units when working with scientific data to ensure that calculations are accurate and meaningful.

To convert a density of 20.1 g/cm³ to units of kg/m³, we need to use unit conversion factors that relate the two sets of units. We know that 1 cm³ is equivalent to 0.000001 m³, and 1 g is equivalent to 0.001 kg. Therefore, we can write:

20.1 g/cm³ x (0.001 kg/g) x (1 cm/0.01 m)^3 = 20100 kg/m³

In the first step, we multiply by the conversion factor of 0.001 kg/g to convert grams to kilograms. In the second step, we use the conversion factor of (1 cm/0.01 m)^3 to convert cm³ to m³. We raise the factor to the third power because we are dealing with volume, which is a cubic quantity.

The final result is 20100 kg/m³, which is the equivalent density in SI units. This means that a material with a density of 20.1 g/cm³ has a density of 20100 kg/m³ when expressed in SI units. It is important to use the correct units when working with scientific data to ensure that calculations are accurate and meaningful.

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Determine how many mL of solution A (acetic acid-indicator solution) must be added to solution B (sodium acetate-indicator solution) to obtain a buffer solution that is equimolar in acetate and acetic acid. Solution A: 10.0 mL 3.0e-4M bromescol green

hoped I helped

Answer:

double replacement is the answer

Answer:

b) energy can accomplish work

Explanation:

Under the circumstances, H2 and O2 do not react because not enough energy is used in the process.

Energy is released and the molecules of hydrogen and oxygen can join to generate either water or hydrogen peroxide when the molecules of H2 and O2 are mixed and allowed to react.

Hydrogen peroxide is very reactive and unstable. At standard pressures and temperatures, its vapours have an explosive character. It quickly breaks down and may cause dangerous reactions. hence it needs to be kept with extreme care.

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Explanation:

In 1909 millikan began a series of experiments to determine the electric charge carried by a single electron.He bagan by measuring the course of charged water droplets in an electric field......He found that all the drops had charges that were simple multiples of a single number, the fundamental charge of the electron.

Answer:

The Lewis formalism used for the H2 molecule is H:H or H—H. The former, known as a 'Lewis dot diagram,' indicates a pair of shared electrons between the atomic symbols, while the latter, known as a 'Lewis structure,' uses a dash to indicate the pair of shared electrons that form a covalent bond.

Explanation:

Answer:

1

Explanation:

Octet meaning 8. So if chlorine already has 7 valence electrons it will only need to get 1 more to be satisfied.

The factor that caused the widely different separations between the four medicinal compounds is their different affinities for the stationary phase in the chromatographic technique used.

Chromatography is a separation technique that relies on the differential affinities of compounds between a mobile phase and a stationary phase. The stationary phase is a solid or liquid material that is immobilized on a support, while the mobile phase is a liquid or gas that moves through the stationary phase.

In chromatography, compounds with stronger affinity for the stationary phase will have slower movement and shorter distances traveled, while compounds with weaker affinity for the stationary phase will have faster movement and longer distances traveled.

The four medicinal compounds being separated in the chromatographic process possess different chemical properties, such as polarity, molecular size, and functional groups. These differences in chemical properties result in different interactions between the compounds and the stationary phase.

Compounds that have stronger interactions with the stationary phase, such as through hydrogen bonding or dipole-dipole interactions, will have slower movement and shorter separations. On the other hand, compounds with weaker interactions or higher solubility in the mobile phase will have faster movement and longer separations.

Therefore, the widely different separations observed between the four medicinal compounds can be attributed to their unique chemical properties, leading to varying degrees of affinity for the stationary phase in the chromatographic technique.

The differing chemical properties and affinities of the four medicinal compounds for the stationary phase caused the widely different separations observed in the chromatographic process.

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