for which of the following aqueous salts will electrolysis produce hydrogen gas and oxygen gas? check all that apply.

Answer:

radians

Explanation:

Answer:

Meters per second.

Explanation:

Ap3x approved

Answer:

A

Explanation:

Answer:

Sn (s) + 2 Cl2 (g) → SnCl4 (l)

This is an oxidation-reduction (redox) reaction:

4 Cl0 + 4 e- → 4 Cl-I

(reduction)

Sn0 - 4 e- → SnIV

(oxidation)

Cl2 is an oxidizing agent, Sn is a reducing agent.

Reactants:

Sn

Names: Tin source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Sn source: wikidata, accessed: 2019-09-07, Element 50 source: wikidata, accessed: 2019-09-07

Appearance: White crystalline powder source: ICSC, accessed: 2019-09-04; Gray to almost silver-white, ductile, malleable, lustrous solid. source: NIOSH NPG, accessed: 2019-09-02

Cl2

Names: Chlorine source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Molecular chlorine source: NIOSH NPG, accessed: 2019-09-02

Appearance: Greenish-yellow compressed liquefied gas with pungent odour source: ICSC, accessed: 2019-09-04; Greenish-yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.] source: NIOSH NPG, accessed: 2019-09-02

Products:

SnCl4 – Tetrachlorostannane source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02, Tin tetrachloride source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Tin(IV) chloride source: wikipedia, accessed: 2019-09-28

Other names: Stannic chloride source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Tin(iv) chloride (anhydrous) source: ICSC, accessed: 2019-09-04

Appearance: Colorless to slightly yellow fuming liquid source: wikipedia, accessed: 2019-09-28; Colourless or slightly yellow fuming liquid with pungent odour source: ICSC, accessed: 2019-09-04

When 52.0140 grams is added to 50.71 grams, the result is 102.72 grams.

When adding or subtracting numbers, it is important to consider the number of decimal places or significant figures in each value to determine the appropriate number of decimal places in the result.

In this case, we have 52.014 grams and 50.71 grams. Since the number 50.71 grams has the fewest decimal places (two decimal places), we need to round the result to two decimal places.

Adding 52.0140 grams to 50.71 grams gives us a result of 102.7240 grams. However, since we need to round to two decimal places, the final result is 102.72 grams.

Therefore, reported to the correct number of significant figures, the result when 52.0140 grams is added to 50.71 grams is 102.72 grams.

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A chemical reaction that has a positive ΔG is correctly described as an endergonic reaction.

In an endergonic reaction, the products have higher energy than the reactants, and energy is absorbed from the surroundings. This means that the reaction requires an input of energy to proceed. The positive ΔG indicates that the reaction is non-spontaneous under standard conditions.

In an endergonic reaction, the free energy change (ΔG) is greater than zero, indicating that the products are less thermodynamically stable than the reactants. The reaction proceeds by absorbing energy, which can be in the form of heat or external work.

Examples of endergonic reactions include photosynthesis, synthesis of complex molecules, and active transport processes in cells.

In contrast, an exergonic reaction has a negative ΔG and is spontaneous, releasing energy to the surroundings. These reactions occur spontaneously without the need for an input of energy.

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Answer:

These metals are less reactive than the neighbouring alkali metal. Magnesium is less active than sodium; calcium is less active than potassium; and so on. These metals become more active as we go down the column.

Explanation:

Magnesium is more active than beryllium; calcium is more active than magnesium; and so on.

= 18.02 g/mol) im sure its that

The balanced equation for the neutralization of hydrochloric acid with aluminum hydroxide is, 3HCl(aq) + Al(OH)₃(s) → AlCl₃(aq) + 3H₂O(l).

The neutralization reaction between hydrochloric acid (HCl) and aluminum hydroxide (Al(OH)₃) can be represented by the following balanced chemical equation,

3HCl(aq) + Al(OH)₃(s) → AlCl₃(aq) + 3H₂O(l)

In this equation, the hydrochloric acid (HCl) is in the aqueous state (indicated by "(aq)"), meaning it is dissolved in water. The aluminum hydroxide (Al(OH)₃) is in the solid state (indicated by "(s)"). When the acid and base react, they form aluminum chloride (AlCl₃) in the aqueous state and water (H₂O) in the liquid state.

This reaction is an example of a neutralization reaction, where an acid and a base react to form a salt and water. The aluminum hydroxide acts as a base, as it can accept hydrogen ions (H+) from the acid, and neutralize the acid. The resulting solution will have a neutral pH, indicating that the acid has been neutralized.

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Answer : Geela away is \(33.22\times 10^{15}\text{ miles}\)

Explanation :

As we are given that the alien tells you that it has traveled here from the planet Geela which is 5.670 × 10³ light years away.

And we know that:

\(1.06\times 10^{-16}\text{ light years}=6.21\times 10^{-4}\text{ miles}\)

Now we have to determine the distance away is Geela.

As, \(1.06\times 10^{-16}\text{ light years}=6.21\times 10^{-4}\text{ miles}\)

So, \(5.670\times 10^{3}\text{ light years}=\frac{5.670\times 10^{3}\text{ light years}}{1.06\times 10^{-16}\text{ light years}}\times 6.21\times 10^{-4}\text{ miles}\)

                                      = \(33.22\times 10^{15}\text{ miles}\)

Therefore, the Geela away is \(33.22\times 10^{15}\text{ miles}\)

Geometric isomers have profound effects on the physical properties properties of compounds. one physical property affected by this geometry is the melting point.

The physical property that will affected by the geometrical isomers are the melting point. let us take an example to understand the effect :

the isomers of 1,2 - dichloromethane is the cis 1,2 - dichloromethane and the trans 1,2 - dichloromethane. the table for the melting point and the boiling point is given below as :

isomers              melting point              boiling point

cis                            -80 °C                         60 °C

trans                           - 50 °C                         48 °C

it can easily be concluded from the table that :

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Answer:

type decomposition

balance form

2PbO₂⇒ 2PbO +O₂

Explanation:

Answer:

3

Explanation:

Applying,

\(2^{n'}\) = R/R'............... Equation 1

Where n' = number of halflives that have passed, R = Original atom of the substance, R' = atom of the substance left after decay.

From the question,

Given: R = 40 atoms, R' = 5 atoms

Substitute these values into equation 1

\(2^{n'}\) = 40/5

\(2^{n'}\) = 8

\(2^{n'}\) = 2³

Equation the base,

n' = 3

To form one formula unit of Al2O3, a total of 12 electrons (6 from aluminum and 6 from oxygen) must be transferred.

The compound Al2O3, commonly known as aluminum oxide, is formed when two aluminum atoms and three oxygen atoms bond. To determine the number of total electrons that must be transferred to form one formula unit of Al2O3, we first need to find the number of electrons that are present in one formula unit of Al2O3.

Aluminum has an atomic number of 13, which means it has 13 protons and 13 electrons in a neutral atom. Each aluminum atom in Al2O3 contributes 3 electrons, and since there are two aluminum atoms in one formula unit of Al2O3, the total number of electrons contributed by aluminum atoms is 6.

Oxygen has an atomic number of 8, which means it has 8 protons and 8 electrons in a neutral atom. Each oxygen atom in Al2O3 contributes 2 electrons, and since there are three oxygen atoms in one formula unit of Al2O3, the total number of electrons contributed by oxygen atoms is 6.

Therefore, to form one formula unit of Al2O3, a total of 12 electrons (6 from aluminum and 6 from oxygen) must be transferred.

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Whistle-blowing can be seen as unethical under certain conditions, such as when it involves divulging confidential information without just cause or when it is motivated by personal gain rather than genuine concern for the common good.

Whistle-blowing is the act of reporting or disclosing information about illegal, unethical, or dangerous activities within an organization. It is typically considered ethical when it serves the greater good by exposing wrongdoing that may harm the public, such as fraud, corruption, or violations of safety regulations. In such cases, whistle-blowing can help prevent harm and promote accountability.

However, there are situations where whistle-blowing may be viewed as unethical. For instance, if a whistle-blower divulges confidential information without a justifiable reason, such as to harm the reputation of individuals or the organization without any evidence of wrongdoing, it can be seen as an unethical act. Whistle-blowing motivated by personal gain or revenge, rather than a genuine concern for public interest, can also be considered unethical.

Additionally, context and potential consequences should be considered. Whistle-blowing should be a last resort when internal mechanisms for addressing the issue have failed or would likely be ineffective. In some cases, whistle-blowing without first attempting to address the concerns through appropriate channels may be seen as premature and unethical.

Overall, whistle-blowing is generally considered ethical when it serves the public interest and is motivated by a genuine concern for justice and accountability. However, it can be seen as unethical when it involves the unjustified disclosure of confidential information or when it is driven by personal motives rather than a sincere commitment to upholding ethical standards and protecting the common good.

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Dish of Cabbage, carrot, pea, cauliflower and brinjal are the meals we could enjoy that contain only plant products.

Cabbage, carrot, pea, cauliflower and brinjal are the five different plants based meals. In these meals, vegetables are used which are the parts of plant. We know that vegetables are very healthy and nutritive which can be get from plants.

So we can conclude that dish of Cabbage, carrot, pea, cauliflower and brinjal are the meals we could enjoy that contain only plant products.

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Answer:

mixture in which the composition is uniform throughout the

Explanation:

Answer:

10,148 kJ

Explanation:

Did it on Engenuity 2022 and got it right - just double 5074

Answer:

10,148

Explanation:

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Answer:

1.5g

Explanation:

According to this question, the amount of copper required to obtain copper sulfide in a 4:1 is 6g. This means that the ratio of copper to sulfur in the compound (copper sulfide) is 4:1.

Hence, to calculate the amount of sulfur required for the reaction to obtain copper sulfide using the above ratio, we say:

1/4 of the amount of copper required (6g)

= 1/4 × 6

= 6/4

= 1.5g of sulfur is required for the reaction to obtain carbon sulfide.

Answer:

does friction talks ? friction is a oppossing force tho

Answer:Nonpolar covalent compound-

Carbon tetrachloride CCl4

Polar covalent compound-Water - H2O.

Ammonia - NH. ...

Sulfur dioxide - SO. ...

Hydrogen sulfide - H2S.

Ionic compoundNaCl, sodium chloride ordinary table salt

Al(OH)3, aluminum hydroxide ingredient in antacids

NaOH, sodium hydroxide lye; used as drain cleaner

K3PO4, potassium phosphate

Explanation:

have a great day ahead" :)

Answer

Alkanes

Explanation

The CH3CH2CH2CH3, it falls under a group

So if we can draw it, it will look like this,

This structure only has single bonds

Therefore the homologous series it falls under is Alkanes

An isochron represents the age of a rock, given the composition of minerals. In geochronology, isochron dating is a technique used to determine the age of rocks or geological samples.

Isochron dating relies on analyzing the ratios of isotopes within the minerals present in the rock. Isotopes are variants of an element with different numbers of neutrons in their atomic nuclei. By measuring the isotopic ratios, specifically the parent and daughter isotopes, scientists can calculate the time elapsed since certain geological events, such as the crystallization of the rock or a metamorphic event.

The isochron method involves plotting the isotopic ratios on a graph, typically using a set of minerals from the same rock sample. If the minerals formed at the same time, the data points will fall along a straight line known as an isochron. The slope of the isochron line provides the age of the rock, while the intercept with the y-axis indicates the initial isotopic composition. This technique helps to overcome challenges such as the presence of inherited isotopes or disturbances in the isotopic system, providing a reliable estimate of the rock's age.

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Answer:

4.08

Explanation:

Answer:

By the formula of current,

I = Q/t

I × t = Q

Q/I = t

Explanation:

A) t = Q / I

t = 6 / 0.5

t = 12 sec

B) t = Q / I

First we,

36mA

36 / 1000

0.036A OR 3.6 × 10¯²

t = 48 / 0.036 OR t = 48 / 3.6 × 10¯²

t = 48 × 10² / 3.6

t = 1333.3sec t = 13.3 × 10²

Recheck the answers.

Answer: 2C8H18 + 25O2 -> 16CO2 + 18H2O

Explanation:

When a gas with a volume of 8.39 L at a pressure of 0.51 atm is allowed to expand until the volume raises to 25 L, the new pressure is 41.41 L

According to Boyle's Law, the pressure and volume of a gas are inversely proportional, meaning that as one increases, the other decreases, as long as the temperature and amount of gas remain constant. Therefore, if the pressure of a gas decreases, its volume should increase, and vice versa. It is represented as:

P₁V₁ =P₂V₂

where P₁ and V₁ are the initial pressure and volume, and P₂ and V₂ are the final pressure and volume, respectively.

According to given data

P₁= 0.51atm

P₂= ?

V₁= 8.39 L

V₂= 25 L

Using Boyle's Law, we can calculate the new pressure of the gas when its volume raises to 25 L

P₁V₁ =P₂V₂

(0.51 atm)( 8.39 L) = P₂( 25 L)

P₂ =(0.51 atm)( 8.39 L) / 25 L

P₂ = 0.171 atm

Therefore, the new pressure of the gas should be 0.171 atm  when its volume raises to 25L

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