Below is a statement of assertion followed by a statement of reason. Choose the correct answer out of the following choices. Assertion: Sodium alginate is insoluble in water Reason: Ionic salts are soluble in water Both assertion and reason are correct statements, but reason is not the correct explanation of the assertion. Both assertion and reason are wrong statements. Assertion is correct, but reason is wrong statement. Both assertion and reason are correct statements, and reason is the correct explanation of the assertion Assertion is wrong but reason is correct statement

When both parents shared different traits either it will be heterogeneous or homogenous traits,in that case offspring traits neither belongs to parents.However,chances are very that traits of children neither belongs to parents.

Unaffected parents can create impacted offsprings assuming that the two guardians are transporters (heterozygous) for the attribute being followed in the family. Latent traits are normally not communicated in each age. Finally, guys and females are similarly prone to communicate a latently acquired characteristic.

In the event that the latent characteristic is more than prevailing, the recessive traits will really become predominant and the predominant attribute will become recessive.Recessive alleles are meant by a lowercase letter (a versus A). Just people with an aa genotype will communicate a latent characteristic; consequently, posterity should get one passive allele from each parent to display a latent traits.

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Answer:

the water is first screened then filtered to remove undesolvable objects then passed into the sedimentation tank which is again filtered after leaving the tank. Chlorine is then added to the fine filtered water to kill viruses and bacteria. now the water is clean hope i ave help u enough

Explanation:

The maximum safe operating temperature the engineer should recommend for this reaction is approximately 1063.77 degrees Celsius.

To calculate the maximum safe operating temperature, we need to consider the dimensions of the vessel, the maximum safe pressure, and the amount of gas inside.

First, let's convert the dimensions of the vessel from centimeters to meters:

Width = 48.0 cm = 0.48 m

Height = 57.6 cm = 0.576 m

Next, we need to calculate the volume of the vessel:

Volume = π * (radius)^2 * height

The radius of the vessel can be calculated as half of the width:

Radius = 0.48 m / 2 = 0.24 m

Volume = π * (0.24 m)^2 * 0.576 m

Volume ≈ 0.099 m^3

Now, we can use the ideal gas law to determine the maximum safe operating temperature. The ideal gas law is given by:

PV = nRT

where P is the pressure, V is the volume, n is the number of moles, R is the gas constant, and T is the temperature.

Rearranging the equation to solve for T:

T = (PV) / (nR)

To calculate the number of moles, we can use the molar mass of carbon dioxide (CO2):

Molar mass of CO2 = 12.01 g/mol (for carbon) + 2 * 16.00 g/mol (for oxygen)

Molar mass of CO2 ≈ 44.01 g/mol

Converting the mass of carbon dioxide from kilograms to grams:

Mass of CO2 = 2.45 kg * 1000 g/kg

Mass of CO2 = 2450 g

Now, we can calculate the number of moles:

Number of moles = Mass of CO2 / Molar mass of CO2

Number of moles = 2450 g / 44.01 g/mol

Number of moles ≈ 55.67 mol

The gas constant R is approximately 8.314 J/(mol·K).

Now, we can substitute the values into the equation:

T = (3.40 MPa * 0.099 m^3) / (55.67 mol * 8.314 J/(mol·K))

T ≈ 1063.77 K

Converting from Kelvin to Celsius:

T ≈ 1063.77 °C

The maximum safe operating temperature that the engineer should recommend for this reaction is approximately 1063.77 degrees Celsius.

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The partial pressure of SO₂ in the mixture is approximately 0.445 atm. This is calculated using the mole fraction of SO₂ and the total pressure.

To find the partial pressure of SO₂, we need to use the concept of mole fraction. The mole fraction of a component in a mixture is defined as the ratio of the number of moles of that component to the total number of moles in the mixture.

Step 1: Calculate the number of moles of CO.

Given:

Mass of CO = 4.9 g

Molar mass of CO = 28 g/mol

Number of moles of CO = mass of CO / molar mass of CO

= 4.9 g / 28 g/mol

≈ 0.175 mol

Step 2: Calculate the number of moles of SO₂.

Given:

Mass of SO₂ = 8.5 g

Molar mass of SO₂  = 64 g/mol

Number of moles of SO₂  = mass of SO₂  / molar mass of SO₂

= 8.5 g / 64 g/mol

≈ 0.133 mol

Step 3: Calculate the mole fraction and partial pressure of SO₂.

The total number of moles in the mixture is the sum of the moles of CO and SO₂:

Total moles = moles of CO + moles of SO₂

= 0.175 mol + 0.133 mol

= 0.308 mol

The mole fraction of SO₂  is given by:

Mole fraction of SO₂  = moles of SO₂ / total moles

= 0.133 mol / 0.308 mol

≈ 0.432

The partial pressure of SO₂  is the mole fraction of SO₂  multiplied by the total pressure:

Partial pressure of SO₂ = mole fraction of SO₂  * total pressure

= 0.432 * 0.761 atm

≈ 0.445 atm

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Answer:

81.3 a

Explanation:

Just search up answers on wolframalpha.com

Answer:

2

Explanation:

bc the 2 that's after a bracket refers to both oxygen and nitrogen, making oxygen 6 bc it already has a 3(3×2=6)

Answer:

2

Explanation:

Answer:

If Black Holes Are "Black," How Do Scientists Know They Are There? A black hole can not be seen because strong gravity pulls all of the light into the middle of the black hole. But scientists can see how the strong gravity affects the stars and gas around the black hole.

Explanation:

some examples; 1. Pushing a wheel barrow.

2. Opening or closing a door.

3. Squeezing wet clothes.

4. Gravitational force.

5. Brakes applied to stop a moving vehicle.

6. A football kicked harder that decreases due to the frictional force.

7. Rubbing a glass rod with a silk.

8. Pressure applied on a pin of a notice board.

9. Running

10. Pushing

Supernova or void is another force or phenomenon that cannot be seen directly similar to black holes.Examples of the effects are gravitational force, brakes applied to stop a moving vehicle.

Force is defined as a cause which is capable of changing the motion of an object. It can cause an object which has mass to change it's velocity. It is also simply a push or a pull . It has both magnitude as well as direction.Hence, it is a vector quantity.

It has SI units of Newton and is represented by'F'.Newton's second law states that force which acts on an object is equal to momentum which changes with time. If mass of object is constant, acceleration is directly proportional to net force acting on an object.

The concepts which related to force are thrust and torque .Thrust increases the velocity of an object and torque produces change in rotational speed of an object.

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Answer:

N2

Explanation:

then mark me as a brainliest thanks

Answer:N2

Explanation:

To calculate the number of millimoles of phenyl bromide present, we need to first convert the given quantity of phenyl bromide (1.4555 g) into moles by dividing it by its molar mass.

The molar mass of phenyl bromide is the sum of the molar masses of its constituent atoms, which is 157.01 g/mol.

Therefore, the number of moles of phenyl bromide present is:

1.4555 g / 157.01 g/mol = 0.0092711 mol

To convert this into millimoles, we need to multiply it by 1000:

0.0092711 mol x 1000 = 9.2711 mmol

Therefore, there are 9.2711 millimoles of phenyl bromide present in the Grignard reaction. It is important to accurately measure the amount of reactants involved in a reaction to determine the stoichiometry and yield of the reaction.

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Answer:

The economics in costing​ is explained below in complete details.

Explanation:

The economic cost is the blend and mixture of wastes of any assets that have a worth connected to them by any one person. The economic cost is practiced largely by economists as a method to examine the prudence of one sequence of performance with that of another. The economic cost varies from accounting cost because it incorporates opportunity cost.

Explanation:

Silver and Gold belong to a special group of metals known as the native metals. They are found naturally on their own and not in combined form in rocks.

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Answer:

false, The nucleus of atoms still move around like crazy, it's just the electrons move more.

Answer:

Her speed is 6.8m/s.

Explanation:

K.E= 1/2mv²

or, 2543.2= 1/2×110×v²

or, 2543.2 = 55v²

or, 2543.2/55 = v²

or, 46.24 = v²

or, 6.8² = v²

v = 6.8 m/s

answer

6.8

explanation

k.e=1/2v^2

2543.2=55v^2

46.24=v^2

6.8^2=v^2

v=6.8

The synthesis of ammonia with iron catalyst is an example of homogeneous catalysis. This is because the iron catalyst and the reactants are in the same phase (gas) during the reaction.

In contrast, the hydrogenation of fatty acids with nickel catalyst and decomposition of ozone with gaseous nitric oxide catalyst are examples of heterogeneous catalysis because the catalyst and reactants are in different phases (solid and gas, respectively) during the reaction.
                                    decomposition of ozone with gaseous nitric oxide catalyst. This is an example of homogeneous catalysis because both the catalyst (gaseous nitric oxide) and the reactants (ozone) are in the same phase, which is the gas phase.

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To participate in hydrogen bonding with other molecules of the same kind, a molecule must contain hydrogen atoms bonded to either nitrogen, oxygen, or fluorine atoms.

These three elements are highly electronegative and can create a strong dipole moment within the molecule, allowing for the formation of hydrogen bonds with other molecules containing these same elements.

what is elements?

In chemistry, an element is a pure substance that cannot be broken down into simpler substances by chemical means. Elements are characterized by the number of protons in their atomic nuclei, which determines their atomic number and distinguishes them from other elements. Each element has a unique set of physical and chemical properties that differentiate it from all other elements.

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When the air inside the balloon is heated, the molecules in the air begin to move around and spread out, and the air becomes less dense.

When the air inside the balloon is heated, the molecules in the air begin to move around and spread out, and the air becomes less dense. The surrounding, colder air falls beneath the hot air. This forces the warm air upward, which pushes the balloon up with it. The moving warm air creates a convection current.

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Answer:

A

Explanation:

energy stored in chemical bonds of molecules

For Number 2)

THE ELEMENTS TEND TO FORM COMPOUNDS BECAUSE AOMS ARE UNSTABLE AND CAN SHARE ELECTRONS IN THIER OUTER ENERGY LEVELS .

AS WE KNOW, ATOMS OF AN ELEMENT BECOMES MORE STABLE BY LOSING , GAINING AND SHARING ELECTRONS.

Elements react with each other to complete their octet or duplet so as to become stavle in nature. For e.g. Carbon reacts with oxygen to form carbon dioxide. Carbon reacts with four molecules of hydrogen to form methane - CH4.

The theory of the experiment explains the process of balancing chemical reactions, identifying reactions based on observable changes, and classifying reactions into five types: combination, decomposition, single replacement, double replacement, and combustion.

Balancing Reactions: Balancing a chemical equation is the process of ensuring that the number of atoms of each element is equal on both sides of the equation. This is achieved by adjusting coefficients in front of the chemical formulas. The principle of conservation of mass dictates that the total mass of reactants must equal the total mass of products.

Identifying Reactions: To identify a chemical reaction, one must observe the changes that occur. These changes can include the formation of a precipitate, the evolution of gas, the emission of light or heat, or a color change. Additionally, the rearrangement of atoms and the formation or breaking of bonds are indications of a chemical reaction.

Five Types of Reactions: Chemical reactions can be classified into five main types:

a. Combination Reaction (Synthesis): In a combination reaction, two or more substances combine to form a single product. The general form is A + B → AB.

b. Decomposition Reaction: A decomposition reaction is the opposite of a combination reaction. It involves the breakdown of a single compound into two or more simpler substances. The general form is AB → A + B.

c. Single Replacement Reaction (Displacement): In a single replacement reaction, one element replaces another element in a compound. The general form is A + BC → AC + B.

d. Double Replacement Reaction (Metathesis): A double replacement reaction occurs when the positive ions of two compounds exchange places. The general form is AB + CD → AD + CB.

e. Combustion Reaction: Combustion reactions involve the rapid combination of a fuel (usually hydrocarbon) with oxygen, resulting in the release of heat and the formation of carbon dioxide and water. The general form is Fuel + Oxygen → Carbon Dioxide + Water.

Understanding these types of reactions allows chemists to predict the products and understand the underlying processes that occur during a chemical reaction.

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When it comes to fire suppression systems, there are several types available in the market, each with its own set of features and cost implications. The least expensive fire suppression system is usually a portable fire extinguisher.

Portable fire extinguishers are small and portable, making them an ideal choice for small fires that can be easily contained and extinguished. These fire extinguishers are usually filled with a dry chemical, water, or foam, and can be purchased for a relatively low cost.
However, when it comes to larger fires, such as those in commercial or industrial settings, portable fire extinguishers may not be sufficient. In these cases, a more robust fire suppression system is required. Some of the more expensive fire suppression systems include wet chemical systems, carbon dioxide systems, and clean agent systems. These systems can cost tens of thousands of dollars to install and maintain, making them a significant investment.
Overall, the least expensive fire suppression system is typically a portable fire extinguisher. However, it is important to consider the size and scale of your facility and the potential risks associated with a fire when selecting a fire suppression system. It is always best to consult with a fire safety expert to determine which fire suppression system is best suited for your needs and budget.

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Answer:

a closed series circuit

Answer:

An open series circuit

Explanation:

I'm late but for future people...

I took the test.

Is male circle or square? and is the disorder black or white?

Answer:2 duce dose

Explanation:

jit you see the picture now vote

The complete sentences are:

Page 3:

The effect of energy in phase transitions of matter is that it is required to break the intermolecular forces that hold the particles of a substance together. When energy is added to a substance, the particles move faster and the intermolecular forces are broken. This can cause the substance to change phase.

The interactive demonstration on the sample of water shows that energy is required to melt ice and boil water. When the ice is heated, the particles start to move faster and the ice melts. The temperature of the water stays constant at 0°C until all of the ice has melted. This is because the energy is being used to break the intermolecular forces in the ice. Once all of the ice has melted, the temperature of the water starts to rise again. When the water is boiled, the particles move so fast that they escape from the liquid state and become a gas. The temperature of the water stays constant at 100°C until all of the water has boiled. This is because the energy is being used to break the intermolecular forces in the water. Once all of the water has boiled, the temperature of the steam starts to rise again.

The complete sentences:

Page 4:

Heating curves show the temperature of a substance as it is heated. The curve has a horizontal line at the melting and boiling points, which indicates that the temperature does not change during these phase changes.

Cooling curves show the temperature of a substance as it is cooled. The curve has a horizontal line at the melting and boiling points, which indicates that the temperature does not change during these phase changes.

Both curves show that the temperature of a substance increases as it is heated and decreases as it is cooled.

A heating curve is more choppy than a cooling curve because there are more phase changes during heating than during cooling.

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The density of an object is its mass divided by its volume. To find the volume of the object, we can use the formula for the volume of a rectangular prism:

V = l * w * h

Where:

V = Volume

l = length

w = width

h = height

In this case:

V = 2.2cm * 0.8cm * 1.7cm = 2.976 cm^3

To convert the mass from grams to grams per cubic centimeter, we need to convert the volume from cubic centimeters to cubic meters.

1cm^3 =10^-6 m^3. so 2.976cm^3 = 2.976*10^-6 m^3

So the density of the object is:

density = mass/volume = 5.4g / 2.976*10^-6 m^3 = 1817.5 kg/m^3

Now we can compare the density of the object to the density of water which is 1000 kg/m^3.

Since the density of the object is greater than the density of water, the object will not float on water.

Answer:

You can observe a real-life application of Boyle's Law when you fill your bike tires with air. When you pump air into a tire, the gas molecules inside the tire get compressed and packed closer together. This increases the pressure of the gas, and it starts to push against the walls of the tire.

Tyres of untouched vehicles get deflated during freezing winter days while get inflated in hot summer days. This unusual behaviour is because of Charles's law. In winter due to low temperatures, the air inside a tyre gets cooler, and they shrink. While in hot days, the air expands with temperature.

Another common example of Avogadro's law is the deflation of automobile tyres. When the air trapped inside the tyre escapes, the number of moles of air present in the tyre decreases. This results in a decrease in the volume occupied by the gas, causing the tyre to lose its shape and deflate.

Explanation:

There are approximately 1.11 x 10^22 atoms of mercury in 1.37 mL of mercury. to calculate the number of atoms, we need to first determine the mass of 1.37 mL of mercury using its density.

Density is defined as mass per unit volume, so we can calculate the mass of 1.37 mL of mercury as:

mass = density x volume

mass = 13.5 g/mL x 1.37 mL

mass = 18.495 g

Next, we need to convert the mass of mercury into the number of atoms. To do this, we use the molar mass of mercury, which is 200.59 g/mol. We can calculate the number of moles of mercury as:

moles = mass / molar mass

moles = 18.495 g / 200.59 g/mol

moles = 0.0922 mol

Finally, we can convert moles of mercury into the number of atoms using Avogadro's number, which is 6.022 x 10^23 atoms/mol:

number of atoms = moles x Avogadro's number

number of atoms = 0.0922 mol x 6.022 x 10^23 atoms/mol

number of atoms = 1.11 x 10^22 atoms

Therefore, there are approximately 1.11 x 10^22 atoms of mercury in 1.37 mL of mercury.

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Maltose, which has the chemical formula C12H22O11, is created when three glucose molecules are joined together by dehydration processes.

Maltose, with the chemical formula C12H22O11, is created when dehydration events join three glucose molecules together.

Each glucose molecule that is bonded together during the dehydration event results in the removal of one water molecule. This joins the molecules together in a glycosidic bond, resulting in the disaccharide maltose.

By deducting the total number of water molecules lost from the combined molecular formula of the three glucose molecules, one may get the molecular formula of maltose. Three dehydration processes remove three molecules of water, each of which removes one. Maltose has the chemical formula (C6H12O6)3 - 3H2O, which is translated to C12H22O11 as a result.

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The molecular formula for glucose is C6H12O6. What would be the molecular formula for a molecule made by linking three glucose molecules together by dehydration reactions?