A mixture of bases can sometimes be the active ingredient in antacid tablets. If 0.4826 g of a mixture of Al(OH)₃ and Mg(OH)₂ is neutralized with 17.30 mL of 1.000 M HNO₃, what is the mass % of Al(OH)₃ in the mixture?

When cyclohexene is reacted with hydrogen in the presence of platinum, it undergoes a hydrogenation reaction to form cyclohexane.

This reaction is a common example of catalytic hydrogenation, where the catalyst (platinum) allows for the addition of hydrogen to the double bond in cyclohexene. The resulting product, cyclohexane, is a saturated hydrocarbon with a six-membered ring structure. This reaction is often used in the production of cyclohexane for industrial purposes, as well as in the synthesis of other organic compounds. It is important to note that the reaction must be carried out under controlled conditions to prevent unwanted side reactions and ensure a high yield of the desired product.

know more about product formed is cyclohexane, here:

https://brainly.com/question/30455875

#SPJ11

Answer:

No

Explanation:

The volume of water that will be produced from the reaction will be 6.3 mL

From the equation of the reaction:

\(H_2SO_4 + 2NaOH --- > Na_2SO_4 + 2H_2O\)

The mole ratio of hydrogen sulfate to sodium hydroxide is 1:2.

Mole of hydrogen sulfate = 0.50 x 350/1000 = 0.175 moles

Mole of 15 grams sodium hydroxide = 15/40 = 0.375 moles

Thus, hydrogen sulfide is the limiting reagent.

Mole ratio of hydrogen sulfide to water = 1:2.

Equivalent mole of water = 0.175 x 2 = 0.35 moles

Mass of 0.35 moles of water = 0.35 x 18 = 6.3 grams.

1 gram of water = 1 ml.

Thus, 6.3 grams of water will be equivalent to 6.3 mL

More on stoichiometric calculation can be found here: https://brainly.com/question/27287858

#SPJ1

Answer:

Molar mass of H2CO3 : 62.03 g/mol

a) The sphere emits thermal radiation at a rate of 139.75 Watts.

b) The sphere absorbs thermal radiation at a rate of 37.66 Watts.

c) The sphere's net rate of energy exchange is 102.09 Watts.

To calculate the rates of thermal radiation emission and absorption, we can use the Stefan-Boltzmann law, which states that the rate of thermal radiation emitted or absorbed by an object is proportional to its surface area, temperature, and the Stefan-Boltzmann constant.

a) The rate of thermal radiation emitted by the sphere can be calculated using the formula:

Emitting Rate = emissivity * surface area * Stefan-Boltzmann constant * (\(temperature^4 - environment\ temperature^4\))

Plugging in the given values:

Emitting Rate = \(0.924 * (4\pi * (0.457)^2) * 5.67 \times 10^{-8} * ((32.2 + 273.15)^4 - (82.9 + 273.15)^4)\)

Emitting Rate ≈ 139.75 Watts

b) The rate of thermal radiation absorbed by the sphere can be calculated in a similar way but using the environment temperature as the object's temperature:

Absorbing Rate = emissivity * surface area * Stefan-Boltzmann constant * (\(environment\ temperature^4 - temperature^4\))

Plugging in the given values:

Absorbing Rate = \(0.924 * (4\pi * (0.457)^2) * 5.67 \times 10^{-8} * ((82.9 + 273.15)^4 - (32.2 + 273.15)^4)\)

Absorbing Rate ≈ 37.66 Watts

c) The net rate of energy exchange is the difference between the emitting rate and the absorbing rate:

Net Rate = Emitting Rate - Absorbing Rate

Net Rate = 139.75 Watts - 37.66 Watts

Net Rate ≈ 102.09 Watts

Therefore, the sphere emits thermal radiation at a rate of 139.75 Watts, absorbs thermal radiation at a rate of 37.66 Watts, and has a net rate of energy exchange of 102.09 Watts.

Note: The units for all the rates are Watts.

Learn more about thermal radiation emission

brainly.com/question/28517392

#SPJ11

From the observations we can conclude that the substance contains  protein and starch.

The different observations are given below:

Biuret - Violet (Violet color represents +ve for proteins)

Iodine - Black (Black color represents +ve for starch)

Benedicts - no change ( No change in color represent -ve due to absent of reducing sugar)

Sudan VI- (-ve  as there is not lipid)

So, these results strongly suggest that substance is having protein and starch and showing positive test for these macromolecules in the sample as violet color for in biuret test and black while using iodine.

Therefore, assuming all the observations we can conclude that the substance contains protein and starch.

Learn more about biuret from the link given below.

https://brainly.com/question/14422731

#SPJ4

A) F2 and C2H5OH (Heterogeneous mixture)B) H2O and CH3OH (Homogeneous mixture)C) LiCl and C10H20 (Heterogeneous mixture)D) CH4 and C2H5OH (Heterogeneous mixture).

The pair of substances that are most likely to form a homogeneous solution is B. H2O and CH3OH. A homogeneous mixture is one in which the components are evenly distributed throughout the mixture. These types of solutions have uniform properties and the same composition throughout.A heterogeneous mixture is one in which the components are not evenly distributed. This means that the mixture has distinct regions or phases that are visibly different from one another. The following are the most likely pairs of substances to form a homogeneous solution:A) F2 and C2H5OH (Heterogeneous mixture)B) H2O and CH3OH (Homogeneous mixture)C) LiCl and C10H20 (Heterogeneous mixture)D) CH4 and C2H5OH (Heterogeneous mixture).

learn more about Heterogeneous

https://brainly.com/question/24898889

#SPJ11

If Jake have type 1 diabetes then he needs insulin cells because his body cannot make insulin protein.

What is diabetes?

Diabetes is a chronic, metabolic disease characterized by elevated levels of blood glucose (or blood sugar), which leads over time to serious damage to the heart, blood vessels, eyes, kidneys and nerves.

The most common diabetes symptoms experienced by many people with diabetes are increased thirst, increased urination, feeling tired and losing weight. In Type 1 diabetes, body cannot make insulin whereas in type 2 diabetes, body can make insulin but can't use it properly.

Therefore, if Jake have type 1 diabetes then he needs insulin cells because his body cannot make insulin protein.

Learn more about diabetes, here:

https://brainly.com/question/30770821

#SPJ9

The process of photosynthesis requires water and air in addition to grow ,obtain their energy from the sun  and supply oxygen to the environment .

It is defined as a process by which plants and other photosynthetic organisms convert the light energy in to chemical energy  through the process of cellular respiration.

Some of the energy which is converted  is stored in molecules of carbohydrates like sugar and starches  which are made up of from carbon dioxide and water . Photosynthetic organisms which can perform photosynthesis  are algae and cyanobacteria. Photosynthesis is largely responsible for producing and maintaining the content of oxygen in earth's atmosphere.

Learn more about photosynthesis,here:

https://brainly.com/question/29764662

#SPJ1

Answer:

The atomic radius of the atoms will increase with more shells and decrease moving right to left in a period.

Explanation:

The ideal compound to use as a pH indicator should have the property of changing color at different pH values. This is due to the fact that the acid-base chemistry of the indicator molecule changes depending on the pH of the solution, causing the color of the solution to change. This property is typically found in molecules that are not very acidic, meaning they are not too protonated, and do not dissolve in most solvents.

Additionally, the compound should not precipitate out of solution at different pH's, as this could interfere with the indicator's ability to accurately reflect the pH of the solution.
To summarize, the best compound to use as a pH indicator should not be too acidic, should not dissolve in most solvents, should change color at different pH values, and should not precipitate out of solution at different pH's. These properties make it ideal for accurately indicating the pH of a solution.

To know more about color changes in pH's refer here:

https://brainly.com/question/13576450

#SPJ11

You think we can answer this question without seeing the cubes you're mentioning?

pH plays a crucial role in cation exchange and mineral retention in soil. Low pH (acidic conditions) increases the release of cations from soil particles, while high pH (alkaline conditions) promotes cation retention and reduces their availability for plants.

The pH of soil affects cation exchange and mineral retention through its influence on the soil's electrical charge and the solubility of minerals. In acidic conditions (low pH), the soil becomes positively charged, which leads to the release of cations from soil particles.

The high concentration of hydrogen ions (H+) displaces cations from the exchange sites on clay particles, allowing them to be leached away or become more available for plant uptake. This increased cation release can result in nutrient deficiencies for plants.

Conversely, in alkaline conditions (high pH), the soil becomes negatively charged. This facilitates the retention of cations on soil particles, reducing their availability for plant uptake.

The elevated concentration of hydroxide ions (OH-) can compete with cations for binding sites on clay minerals and organic matter, effectively immobilizing the cations and decreasing their mobility in the soil.

Therefore, maintaining an optimal pH range for specific crops is essential for promoting cation exchange and mineral availability in the soil. pH management through soil amendments and fertilization practices can help create favorable conditions for nutrient uptake and plant growth.

Learn more about cation here:

https://brainly.com/question/1626694

#SPJ11

The energy that is going to release in Zn-sulfur reaction is 3168.92 kJ.

The chemical equation of the given Zn-sulfur reaction is :

Zn + S →Zn + 205.98 kJ

The molar mass of the zinc is 65 g.

1 mole is equivalent to 65 g of zinc which means the amount of energy released by 1.00 kg zinc is :

1 kg = 1000 g

Now,

205.98/65 g × 1000g

= 3168.92 kJ

The total energy released is 3168.92 kJ.

If you need to learn more about the Zn-sulfur reaction, click here

https://brainly.com/question/28299240?referrer=searchResults

#SPJ4

Explanation:

Number 1

Q = 4280J

mass = x

∆∅ = 34.5 - 22

∆∅ = 12.5°C

Specific heat capacity of water = 4200J

Q = mc∆∅

4280 = x(4200)(12.5)

4280 = 52500x

x = 4280/52500

x = 0.0815kg

Number 2

c = x

Q = 3750

m = 315g

∆∅ = 78 - 28.4

∆∅ = 49.6°C

Q = mc∆∅

3750 = 315×x×49.6

3750 = 15624x

x = 3750/15624

x = 0.2400J(g°C)-¹

Number 3

c = 0.448

Q = 35000

m = 454g

∆∅ = x

Q = mc∆∅

35000 = 454(0.448)(x)

35000 = 203.392x

x = 35000/203.392

x = 172.0815

∅2 - ∅1 = ∆∅

∅2 = ∆∅ + ∅1

∅2 = 172.0815 + 24

∅2 = 196.0815

∅2 = 196°C

Number 4

Q = 8750J

m = 75g = 0.075

c = 4200J/kg/°C

∆∅ = x

Q = mc∆∅

8750 = 0.075(4200)∆∅

8750 = 315×x

x = 8750/315

x = 27.7778

∅2 - ∅1 = 27.7778

∅2 = 27.7778 + ∅1

∅2 = 27.7778 + 23

∅2 = 50.7778

∅2 = 50.8°C

Number 5

Q = 38800J

c = 0.448J/(g°C)

∆∅ = 178 - 24.5

∆∅ = 153.5°C

m = x

Q = mc∆∅

38800 = x × 0.448 × 153.5

38800 = 68.768x

x = 38800/68.768

x = 564.2159

x = 564g

Based on the data provided, the mass of the object is inversely proportional to acceleration and directly proportional to the time taken to cover the distance.

Given that the force applied on an object is constant, the acceleration of the object is inversely proportional to the mass of the object.

According to the Newton's second law of motion, the acceleration of an object is inversely proportional to the mass of the object and directly proportional to the force and takes place in the direction of the applied force.

Based on the data provided, the more mass the car has, the more time it takes to complete the distance.

Therefore, it can be concluded that the mass of the object is inversely proportional to acceleration and directly proportional to the time taken to cover the distance.

Learn more about mass and acceleration at: https://brainly.com/question/14344386

State​ physical property can be used to distinguish between a 1 cm cube of copper and a 1 cm cube of sugar. Hence, option D is correct.

A property (such as colour, hardness, boiling point) of the matter is not involved in its manifestation of a chemical change.

Physical properties are those general properties you notice most readily about a substance, such as its size, state of matter (solid, liquid, or gas), colour, mass, density and strength.

Values for physical properties can be determined by tests that don't alter the substance being tested.

Hence, state​ physical property can be used to distinguish between a 1 cm cube of copper and a 1 cm cube of sugar.

Learn more about the physical property here:

https://brainly.com/question/18327661

#SPJ2

The approximate alkalinity is similar to the exact value, i.e., around 175 mg/L. To calculate the exact and approximate alkalinity of the water, we need to consider the concentrations of carbonate (CO3 2-) and bicarbonate (HCO3 -) ions.

In this case, the water sample contains 100 mg/L of CO3 2- and 75 mg/L of HCO3 - at a pH of 10.

Exact alkalinity can be calculated by adding the concentrations of both ions:
Exact alkalinity = [CO3 2-] + [HCO3 -] = 100 mg/L + 75 mg/L = 175 mg/L.

Approximate alkalinity is typically calculated using the concentrations and the pH, but given the limited information, it is difficult to provide a precise approximate value. Nevertheless, since the pH is 10, which indicates alkaline conditions, we can assume the approximate alkalinity is similar to the exact value, i.e., around 175 mg/L.

To know about alkalinity:

https://brainly.com/question/11584594

#SPJ11

The energy released when adding an electron is the energy released in the atomization reaction. This energy is called electron affinity. The electron affinity of Si is 133.6 KJ/mol.

Electron affinity of an atom is its tendency to capture an electron from other atoms towards its nucleus. The more the electron affinity the more will be its reactivity.

The minimum energy required to remove a loosely bound electron from the valence orbital is called its ionization energy. In the given reaction, silicon is accepting an electron to form its atomic state. Thus, it is releasing the energy.

This energy released during gaining one electron is equal to the electron affinity of silicon that is 133.6 kJ/mol.

Find more on electron affinity:

https://brainly.com/question/14135172

#SPJ1

The final pressure or the air pressure on the top of the mountain is 0.818.

Air pressure is the pressure exerted by air in the atmosphere of the earth.

By the Gas law

\(\dfrac{P_1V_1}{ T1} =\dfrac{ P_2V_2 }{T_2}\)

Given, the pressure of the valley floor is 1 atm. = P1

The temperature is 25° C = T1

The volume of the bag is 0.985 L. = V1

The temperature at the top of the mountain is ° C = T2

Now, the volume of the bag is 1. 030 L = V2

To find P2

Put the values in the formula

\(\dfrac{1 atm \times0.985 L}{ 25} =\dfrac{ P_2 \times 1. 030 L }{22}\\\\0.03832 = 0.0468 \times P_2\\\\P_2= 0.818\)

Thus, the final pressure is 0.818.

Learn more about pressure

https://brainly.com/question/21508623

Answer:

Requiere que el agua pase por membranas de filtración.

Explanation:

Un purificador de agua que utiliza energía solar es un dispositivo innovador y tecnológico que funciona como una estación de saneamiento básico con capacidad para purificar el agua y eliminar el 99% de virus y bacterias.

El sistema funciona de la siguiente manera: cuenta con bomba, panel solar, cargador y mangueras. La bomba mueve el agua a través del filtro utilizando la energía de la batería que se carga con la energía de la luz solar. Incluso en días con poca exposición al sol, el sistema es capaz de utilizar la energía acumulada de la batería y purificar 1 litro de agua en 1 minuto.

Se trata de una tecnología simple e innovadora que puede ser de gran ayuda en el saneamiento básico de lugares que no contienen agua potable, debido a la facilidad y portabilidad del sistema.

The rate law for the given reaction is k[A][B]^3.

Given reaction is 2A + 3B → Products which is first order in A and third order overall.

To find the rate law we need to use the equation for the third-order reaction which is given as :

k[A]^m[B]^n

where, k is the rate constant

m is the order of the reaction with respect to A (i.e., first order in A)

n is the order of the reaction with respect to B (i.e., third order in B)

By substituting the given values , k[A]^1[B]^3

The order of the reaction with respect to A is 1, so we include [A] to the power of 1, which we can write as [A]^1 or simply as [A]. The order of the reaction with respect to B is 3, so we include [B] to the power of 3, which we can write as [B]^3.

The overall rate law is : k[A][B]^3

Thus, the rate law for the given reaction is k[A][B]^3.

To learn more about rate law :

https://brainly.com/question/16981791

#SPJ11

Answer:

See Explanation

Explanation:

From the data given an argument for either reactant as limiting can be presented. The Limiting Reactant is that reactant which when consumed the reaction stops as the remaining reactant does not have any reagent to react with.    

Based on this definition, if one adds a small quantity of AgNO₃ solution to a large quantity of copper wire the interaction will spontaneously react with copper metal undergoing oxidation forming CuNO₃ followed by formation of the reduced form of silver precipitate until all of the AgNO₃ is consumed and the reaction stops. In this case, the AgNO₃ is the limiting reactant and the copper will remain in excess.      

On the other hand and based on this definition of limiting reactant, one can add a small amount of copper wire to a concentrated solution of AgNO₃ and the same reaction will spontaneously occur. However, in this reaction system the reaction would proceed until all of the copper wire is consumed (dissolved) and the reaction stops leaving an excess of unreacted AgNO₃ in solution with CuNO₃ and reduced Ag.

Problems dealing with limiting reactants require specifying the  quantities of each reactant from which identification for the limiting reactant can be specified. One simple way to ID the limiting reactant is to convert all given reactant quantities to moles followed by dividing each by its respective coefficient from the balanced rxn equation. The smaller value will be the limiting reactant.  

Answer:

Melting

Explanation:

• A chemical change is a change that can be reversed.

Other chemical changes include;

Answer:

there is no problem in the blanks hi hai song lyrics in Hindi full movie download free fire in the blanks with the day is

Answer:1. A. The number of electrons equal to the number of protons

2. D. The electrons in an atoms outermost energy level

3. A. To obtain a full outer electron shell

4. C. Seven

5. C. It will give up electrons forming a positive ion

Explanation:

I use this app plenty, time to give back a little.

Therefore, number of electrons will be the same as the number of protons as regards neutral atom

Learn more at : https://brainly.com/question/1641336?referrer=searchResults

The correct option is b. at an angle; If a bullet passes through glass and leaves an oval-shaped hole, it entered the glass at an angle.

An oval resembles the form, contour, or shape of an egg.

For instance:

Thus, If a bullet passes through glass and leaves an oval-shaped hole, it entered the glass at an angle.

To know more about the oval-shaped, here

https://brainly.com/question/12597150

#SPJ1

Answer:

19.3 g/mL

Explanation:

The following data were obtained from the question:

Mass (m) = 12.4 kg

Volume (V) = 642 mL.

Density (D) =.?

Next, we shall convert 12.4 kg to grams. This can be obtained as follow:

1 kg = 1000 g

Therefore,

12.4 kg = 12.4 × 1000

12.4 kg = 12400 g

Therefore, 12.4 kg is equivalent to 12400 g.

Finally, we shall determine the density of the gold as follow:

Density is simply defined as the mass of the substance per unit volume of the substance. It can be represented mathematically as:

Density (D) = mass (m) / volume (V)

D = m/V

With the above formula, the density of gold can easily be obtained as follow:

Mass (m) = 12400 g

Volume (V) = 642 mL.

Density (D) =.?

D = m/V

D = 12400/642

D = 19.3 g/mL

Therefore, the density of hold is 19.3 g/mL