Which compound has the greatest molecular mass?

CO2

H2O

Pb2

NH4

The value of K is given as 2344 thus more products are obtained at equilibrium since the equilibrium constant is very large.

The equilibrium constant ( K ) is equal to the rate constant for the forward reaction divided by the rate constant for the reverse reaction.

The balanced equation is -

CaO(s) + CH₄(g) + 2H₂O(g) —> CaCO₃(s) + 4H₂(g)

K = [CaCO₃] [H₂]⁴ / [CaO] [CH₄] [H₂O]²

Since the value of K = 2344, which is large, more of products will be formed in the reaction.

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Answer:

See the answer below

Explanation:

The complete question can be seen in the attached image.

Phenolphthalein is an indicator that is often utilized in an acid-base reaction to indicate the endpoints of such reactions due to its ability to change color from pink/colorless to colorless/pink depending on if the final solution is acidic or basic.

Phenolphthalein is usually colorless in acidic solutions and appears pink in basic solutions. The more basic or alkaline a solution is, the stronger the pink color of phenolphthalein. Hence;

1. Ammonia with a pH of 11 is basic, phenolphthalein will turn pink.

2. Battery acid with a pH of 1 is acidic, it will remain colorless.

3. Lime juice with a pH of 2 is acidic, it will remain colorless.

4. Mashed avocado with a pH of 6.5 is acidic, it will remain colorless.

5. Seawater with a pH of 8.5 is basic, it will turn pink.

6. Tap water with a pH of 7 is neutral, it will remain colorless

Phenolphthalein is a chemical compound with the formula\(C_{20}H_{14}O_4\). Phenolphthalein is often used as an indicator in acid-base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions

Phenolphthalein works as in:-

According to the question, There are 5 solutions having different ph and the indication only turns basic solution to pink

The indicator only turn the basic solution pink and these solutions are as follows,

Hence, these are the answer.

For more information, refer to the link:-

Answer:

20

Explanation:

The wavelength of the radiation emitted by the argon ion laser is \(4.854 * 10^-7 m\).

Wavelength is a property of any type of wave that refers to the distance between two adjacent points on the wave that is in phase, i.e., at the same point in their respective cycles. It is usually denoted by the Greek letter lambda (λ) and is measured in units of length, such as meters or nanometers.

The energy carried by the photon (E) is related to the wavelength (\(\lambda\)) through the following equation:

\(E=hc/\lambda\); where 'h' is the Plank's Constant and 'c' is the speed of light which is \(3* 10^{-7} m/s\).

We can say that

\(\lambda - hc/E\)

Now after substituting the given values, we get:

\(\lambda = (6.626 * 10^{-34} J.s * 3.00 * 10^8 m/s) / (4.071 * 10^{-19} J)\\\lambda = 4.854 * 10^-7 m\)

Therefore the wavelength of the radiation emitted by the argon ion laser is \(4.854 * 10^-7 m\).

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answer:

ionic bonds form between oppositely charged ions

explanation:

Answer:

C6H12O6

Explanation:

C6H12O6

Explanation:

Ionic bonds are special interatomic or intramolecular forces of attraction within a compound.

Answer:

The answer would be B. 1 joule/s.

Explanation:

The answer is B because the power in general is normally defined as energy over time. Watts are defined as 1 Watt = 1 Joule per second (1W = 1 J/s) which means that 1 kW = 1000 J/s.

Another reason why it's B is because I had the same exact question in class, I took a screenshot of it a day ago:

Hope this helps

The addition of more acid or base will increase the number of H3O+ and A- particles thereby decreasing and increasing the pH of the solution respectively.

An acid-base titration is one in which an acid is added to a given volume of base in order to neutralize it.

When more of acid is added to a solution of a base than is required to neutralize it, the solution becomes acidic.

Similarly, when more base is use to neutralize an acid than is required, the solution becomes alkaline.

In the given simulation, (H3O+) is the acid while (A-) is the base.

By adding increasing the quantity of acid added, the number of H3O+ particles will increase. This will reduce the pH of the solution.

Also, the adding more base to the solution, the number of A- particles in the solution will increase. This will increase the pH of the solution.

Therefore, addition of more acid or base will increase the number of H3O+ and A- particles thereby decreasing and increasing the pH of the solution respectively.

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Filtration is the process of passing a liquid containing contaminants through a filter to get a cleaner liquid.

After filtration impurities are left on the filter when the liquid goes through it, resulting in a cleaner combination. The procedure of separating one ingredient from another in a compound is used in the purification of chemical compounds or any materials. A mixed sample is turned into fresh samples, each of which contains a single ingredient.Separation procedures are then utilised to separate these compounds. These techniques alter the relative proportions of components in a combination.The type of the compounds and the impurities in them influence the purification of organic chemicals and compounds.

Purification of compounds can be done in other methods as well such as distillation, chromatography, sublimation and crystallisation.

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Full question:

What can you conclude after learning about filtration of solutions of organic compounds? Name other methods of purification of compounds.

Answer:

Li + HCl = LiCl + H2 - Chemical Equation Balancer.

Explanation:

2 moles of ZnO are produced if 1 mole of Zn and 2 moles of \(O_2\) is required.

A mole is defined as 6.02214076 × \(10^{23}\) of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.

Balanced equation:

\(2 Zn + O_2\) → \(2 ZnO\)

For 2 moles of Zinc, we need 1 mol of Oxygen to produce 2 moles of Zinc oxide

For 1 mole Zn, we need 2 mol \(O_2\) to produce 2 moles ZnO only.

Hence, 2 moles ZnO is produced.

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Answer:

rise your words, not your voice rain grows flowers thunder does not.

Explanation:

off the top of my head

Alpha decay occurs in a polonium-218 atom. A brand-new lead element is created. The atomic number and total mass both drop by 2 and 4 respectively as a result.

Lead is a chemical element with the atomic number 82 and the symbol Pb (derived from the Latin word plumbum). Denser than the majority of materials, it is a hefty metal. In addition to having a comparatively low melting point, lead is soft and flexible. Lead is a lustrous grey with a tinge of blue when it is first cut. The total number of protons and neutrons (collectively known as nucleons) in an atomic nucleus is known as the mass number, also known as the atomic mass number or nucleon number (sign A, from the German word Atomic weight [atomic weight]).

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Answer: they form at equal rates

Explanation:

By definition, at equilibrium, the rate of the forward reaction is equal to the rate of the reverse reaction.

The one feature of Rutherford's model of the atom is that positive charge are concentrated in small region called nucleus and negatively charged electrons the nucleus of atom.

Rutherford's model of atom proposed the following observation:

conclusion :

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5'-GTCCTACGGACGCG-3' is the DNA sequence that matches the data given by shortest fragment on the left to longer fragments on the right.

Chromatography is a laboratory method used in chemical analysis to separate a mixture into its constituents. The combination is dissolved in a fluid solvent known as the mobile phase, which transports it through a system containing a substance known as the stationary phase. A chromatogram is the result of a chromatography run. It is a hardcopy or electronic file comprising the information generated during the chromatography run. Chromatography works on the premise of smearing molecules in a mixture onto a solid or surface, and a stable phase (fluid stationary phase) separates the components of a mixture while working with a mobile phase.

Here,

The DNA sequence 5'-GTCCTACGGACGCG-3' corresponds to the data provided by the smallest fragment on the left to the larger segments on the right.

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Incomplete question. However, I answered from a general perspective.

Explanation:

Note, a flyer is a piece of advertising leaflet that is usually posted in public spaces, consisting of captivating as well as persuasive message designs. Although there are also digital flyers that can be distributed electronically.

Since in the case we imagine you are a cloth or plastic product manufacturer, your ideal flyer may contain such captions as;

→ with  [brand name]

YOUR BEAUTY IS AT ITS BEST!!!

→ LIVE THE MOMENT, EXPRESSION AT WORK!!!

Answer:

3564 = 3.564 x 10^3

Explanation:

i.e expresing the value in standard form.

Answer:

c

Explanation:

Answer:

The reaction of 4-acetyl anisole (also known as p-methoxyacetophenone) with hydroiodic acid (HI) results in the cleavage of the O-methyl group of the anisole ring, leading to the formation of iodobenzene and acetophenone. The balanced equation for this reaction is C9H10O2 + HI → C6H5I + C8H8O.

So, the product of the reaction of 4-acetyl anisole with HI is a mixture of iodobenzene and acetophenone. The specific ratio of these products will depend on the reaction conditions, such as the temperature and concentration of the reactants.

It's worth noting that the reaction between 4-acetyl anisole and HI is an example of a nucleophilic aromatic substitution reaction, which involves the replacement of a leaving group (in this case, the O-methyl group) on an aromatic ring by a nucleophile (the iodide ion from HI).

Answer:

Partial pressure is proportional to the number of moles so: partial pressure = total pressure x mole fraction. Let's calculate total pressure first. We know the volume in liters and the temperature. We can also find the number of moles of each gas by conversion.Mar 25, 2019

Answer:

A. Disturbing the equilibrium by adding NO2Cl decreases Qc to a value less than Kc.

B. To reach a new state of equilibrium, Qc therefore increases which means that the denominator of the expression for Qc decreases.

C. To accomplish this, the concentration of reagents decreases, and the concentration of products increases.

Explanation:

Hello,

In this case, for the equilibrium reaction:

\(NO_2Cl(g)+NO(g)\rightleftharpoons NOCl(g)+NO_2(g)\)

Whose equilibrium expression is:

\(Kc=\frac{[NO_2][NOCl]}{[NO_2Cl][NO]}\)

The proper matching is:

A. Disturbing the equilibrium by adding NO2Cl decreases Qc to a value less than Kc, since the denominator becomes greater, therefore, Qc decreases.

B. To reach a new state of equilibrium, Qc therefore increases which means that the denominator of the expression for Qc decreases, since the lower the denominator, the higher Qc as it has the concentration of reactants.

C. To accomplish this, the concentration of reagents decreases, and the concentration of products increases, since the reactants must be consumed in order to reestablish equilibrium by shifting the reaction towards the products.

Best regards.

The general form of a neutralization reaction is HF + FrOH → FrF + H₂O

We refer to this as a neutralisation reaction. Only this reaction, which produces NaCl and water as products, is a neutralisation reaction since it involves HCl and NaOH. The resulting response is listed below: NaCl(aq) + H₂O = HCl(aq) + NaOH(aq) (l)

The interaction of H⁺ ions and OH⁻ ions produces water in a neutralisation reaction, which occurs when an acid and a base combine to make water and a salt. The neutralisation of a strong acid and strong base yields a pH of 7.

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Answer: The answer is incus