What is the strongest type of intermolecular force between solute and solvent in each solution?
(b) Ne(g) in H₂O(l)

Rutherford conducted a famous experiment called the gold foil experiment.

He took a skinny sheet of gold foil. He used a special gadget to shoot alpha particles undoubtedly charged debris on the gold foil. most debris passed straight thru the foil like the foil was now not there. They bombarded very skinny sheets of gold foil with fast-shifting alpha debris. Rutherford found that a small percent of alpha debris had been deflected at massive angles, which could be explained by using an atom with a very small, dense, definitely-charged nucleus at its middle.

Rutherford designed an experiment to apply the alpha particles emitted via a radioactive element as probes to the unseen global atomic structure. If Thomson changed into correct, the beam might move immediately through the gold foil. most of the beams went via the foil, however, some have been deflected. Ernest Rutherford postulated the nuclear structure of the atom, determined alpha and beta rays, and proposed legal guidelines for radioactive decay. In 1911, Rutherford, Marsden, and Geiger determined the dense atomic nucleus by bombarding a thin gold sheet with the alpha particles emitted through radium.

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Answer:

D.

Explanation:

Sana

As the curse rises, energy is not conserved

The substance that is usually one of the limiting amino acids in foods, particularly those of plant origin, can vary depending on the specific food. However, common limiting amino acids in plant-based foods include methionine and lysine. Therefore, option c, methionine, is likely the correct answer to your question.

Methionine (c) is usually one of the limiting amino acids in foods, particularly those of plant origin. Limiting amino acids are those that are present in the lowest quantity relative to the body's requirements, and they can limit the utilization of other amino acids in protein synthesis.

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Answer:

The Chinese created black powder roughly 1000 years ago. It's a 75:15:10 mix of potassium nitrate (saltpeter), charcoal, and sulfur. Black powder is contained in a tube around a fuse in basic firework rockets. When lighted, more sophisticated fireworks shells are fired from a mortar containing black powder, which generates a lift-off response.

Distinct metals are mixed to generate different colors in fireworks. The difference between incandescence and luminescence is that incandescence is light created by heat and luminescence is light produced by other sources. Pure components are required for any type of light since traces of other chemicals will cloud the hue. Copper chloride produces a blue tint, while barium chloride produces a luminous green color.

Answer:

A. Substance A is less soluble in water than Substance B.

Explanation:

Solubility: The term "solubility" is described as a specific property determining the capability of a particular solute, substance to get dissolve in a "solvent". Thus, solubility is being measured with respect to the "maximum amount" of a specific solute that is dissolved or mixed in a solvent at "equilibrium". After the given process, the resultant solution is referred to as a saturated solution.

In the question above, the correct answer is option-A.

Answer:

b

Explanation:

cause if so it like more stable when the molten part thing happened

The postulates in John Dalton's atomic theory later became robust knowledge is various scientists found that sometimes a fraction of an atom can take part in a chemical reaction. Therefore, option D is correct.

In the first section of his thesis, he claims that all matter is composed of indivisible atoms. According to the second component of the theory, the mass and characteristics of every atom in a specific element are the same. Compounds, according to the third section, are combinations of two or more different kinds of atoms.

A chemical combination theory that was first put forth by John Dalton in 1803. The following postulates are involved: (1) Small, indivisible particles make up elements (atoms). (2) Atoms of the same element are all identical; atoms of other elements are of different types. (3) It is impossible to produce or destroy an atom.

Thus, option D is correct.

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Molecular formula of Acetic acid is CH3-COOH.

It's empirical formula is C2H4O2

The statement is True. Heat is the transfer of thermal energy from one object or substance to another, while thermal energy is the total amount of kinetic energy of the atoms and molecules in an object or substance.

The substance can refer to various things depending on the context in which it is used. Generally speaking, it is a term that describes a physical material or matter with specific properties and characteristics. In chemistry, a substance is a type of matter that has a defined chemical composition and distinct properties, such as melting point, boiling point, and reactivity.

Substances can exist in different states, such as solid, liquid, or gas, and can undergo various physical and chemical changes. substance refers to a fundamental essence or reality that underlies all appearances and changes in the world. This idea is closely associated with metaphysics and ontology, which seek to understand the nature of existence and being.

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Answer:

Ghawar field   location-Saudi Arabia

Burgan Field   location-Kuwait

Ahvaz field      location-Iran

Upper Zakum Oil Field   Location-Abu Dhabi UAE

Explanation:

I learned this yesterday :D

Answer:

Chloroform has a boiling point of 61.15 degrees Celsius and a vapor pressure of 9.5 kPa at 20 degrees Celsius. Glycerol, on the other hand, has a boiling point of 290 degrees Celsius and a vapor pressure of 0.0002 kPa at 20 degrees Celsius. Therefore, chloroform has a much lower boiling point and a much higher vapor pressure than glycerol. This means that chloroform is more volatile and evaporates more easily than glycerol.

Explanation:

Chloroform has a boiling point of 61.15 degrees Celsius and a vapor pressure of 9.5 kPa at 20 degrees Celsius. Glycerol, on the other hand, has a boiling point of 290 degrees Celsius and a vapor pressure of 0.0002 kPa at 20 degrees Celsius. Therefore, chloroform has a much lower boiling point and a much higher vapor pressure than glycerol. This means that chloroform is more volatile and evaporates more easily than glycerol.

Answer:

1 mole is equal to 1 moles Tungsten, or 183.84 grams. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between moles Tungsten and gram.

Explanation:

Answer:

The molar mass of a substance is calculated as the mass of a given chemical compound or substance, which is then divided by the amount of the substance. The mass is calculated in grams and the amount of the substance is calculated in mol. Thus, the standard unit for molar mass is g/mol.

Explanation:

According to the given question, the reaction between iron chloride and sodium carbonate will be given as:  

\(\text {3Na_{2}CO_{3}\text} \;\[+\] \;\text{ 2FeCl_{3} \text}\; \rightarrow\; \text {6NaCl}\; \[+\] \;\text { Fe_{2} (CO_3)_{3} \text}\)

Now, to calculate the mass of iron carbonate formed in the above chemical reaction, it will be given as:

\({ \text Moles\;of}\text \;\text {FeCl_{3} \text} \[=\dfrac{0.15 \;\text {moles} \times 0.015\; \text L}{1.0 { \;\text L}\text}\)

                          \(=\;0.00225\; \text {moles}\text\)

Similarly, for sodium carbonate

\(\text Moles\; of\; Na_{2}CO_{3}}\te \[=\]\dfrac{0.15 \;\text {moles} \times 0.020\; \text L}{1.0 { \;\text L}\text}\\\)

                             \(\[=\]\;0.0003\; {\text moles \text}\)

Limiting reactant is \(\text {FeCl_{3} \text}\)

Now, calculating iron chloride mass:

\(=\dfrac{0.00225 \times 1\;\text{moles}\;\text{Fe}_2 {(\text{CO}_3)}}{2\;\rm{moles\;of\;}Fecl_3}\)

\(=0.001125 \;\text {moles }\)

Now, molar mass of the \(\text{Fe}_{2}\text{CO}_{3}\)  will be  \(=291.71679\;\text{g/ mol}\)

\(\begin{aligned}\text{Mass}&=\frac{\text{Moles}}{\text{Molar mass}}\\\\&=\frac{0.001125\;\text{moles}}{291.71679\; \text{g/mol}} \\\\&=3.85648\times10^{-6} \end{aligned}\)

Answer:

Transferring energy into or out of a substance changes its temperature, which changes the molecules' freedom of movement. Claim 2: Transferring energy into or out of a substance changes the molecules' kinetic energy, which changes their freedom of movement.

The stoichiometric factor for the calculation of the percentage of hydrazine in rocket fuel by titration with standard iodine is: 1 mole of H2NNH2 : 2 moles of I2

In order to calculate the percentage of hydrazine in rocket fuel by titration with standard iodine, a stoichiometric factor is used to transform the quantity of titrant used into a chemically equivalent quantity of analyte.

For the given reaction, the stoichiometric ratio between hydrazine and iodine is 1:2, meaning that one mole of hydrazine reacts with two moles of iodine to produce four moles of iodide and four moles of hydrogen ions, as well as nitrogen gas.

Therefore, the stoichiometric factor for this calculation is 1 mole of H2NNH2 to 2 moles of I2, which allows for the determination of the percentage of hydrazine in the rocket fuel sample.

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Explanation:

The forms of thermal energy transfer are;

Thermal energy is a form of kinetic energy that causes the particles of a medium to begin to move.

The formula is: weight/mass = gravitational field strength. On Earth the gravitational field strength is 10 N/kg. Other planets have different gravitational field strengths.

The acceleration of gravity on that planet is equal to 2.04 N/Kg.

Acceleration due to gravity can be described as the acceleration gained due to gravitational force. The S.I. unit of gravity is m/s² and has both magnitude and direction, as a vector quantity.  The surface of the earth at sea level has a value of g of 9.8 m/s².

The gravitational force acting will be given by: F = GMm/R², where G is the universal gravitational constant G = 6.67×10⁻¹¹Nm²kg⁻². The gravitational force is attractive and acts on the bodies the distance between them will reduce.

Given, the weight of the object on the planet, W = 600 N

The mass of the object, m = 294.56 Kg

We know that the weight of the object is mass times of the gravitational acceleration.

W = mg

g = W/m

g = 600N/294.56 Kg

g = 2.04 N/Kg

Therefore, the acceleration of gravity on that planet is 2.04 N/Kg.

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The substances that have Delta Hf = 0 kJ/mol are O2(g), Br2(l), He(g), Fe(s).

Delta Hf = 0 is the standard enthalpy of any element in its most stable form is equal to zero.

When enthalpy is negative, the delta Hf is minus zero, which means the system releases heat.

When the system gains heat, the delta Hf is positive.

Thus, the substances are O2(g),  Br2(l), He(g), Fe(s).

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Answer:

1,4,5,6

Explanation:

The transition state is only present when the reaction's potential energy is at its greatest. It is quite unstable for the species in the transition state.

The term is derived from the Latin word "transire," which meaning to cross. It frequently describes the action rather than the outcome. Thus, "transitioning" is the process of changing, of moving from one set of traits or circumstances to another.

An excellent transition sentence might contain a word or phrase like although, despite this/that, in comparison, or yet if you needed to convey a point that contradicted your prior assertion.

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Answer:

O2 + 4e- -> 2O2-

Explanation:

You have to start by assigning the oxidation numbers, which eventually will lead to every atom of oxygen taking 2 electrons and every molecule of oxygen will take 4 electrons.

(you can ignore this explanation, my answer wasn't long enough).

Answer:

Explanation:

The Golgi apparatus receives proteins and lipids (fats) from the rough endoplasmic reticulum. It modifies some of them and sorts, concentrates and packs them into sealed droplets called vesicles.

Answer:

Ionization energy increases going left to right across a period and increases from bottom to top in a group

Electron affinity increases when going up a group

If we are excluding noble gases (aka group 8/18), Chlorine is the element that has the greatest electron affinity. This is because Fluorine's 2p orbital is limited and packed which doesn't quite allow sharing of the orbital with extra electrons easily, while Chlorine has a 3p orbital allowing more space for electrons, where the orbital electrons would be inclined to do so.

Helium is the element with the greatest ionization energy since it's at the top and energy (from Oganesson to Helium) increases when going across a period (from Hydrogen to Helium).

Answer: B D B A C B E D A B

Explanation:

Size of an atom increases as we move down a group and from left to right across a period

Define an atom?

An atom is a unit of matter that specifically characterizes a chemical element. One or more negatively charged electrons surround the core nucleus of an atom, which is made up of all of them. One or more protons and neutrons, which are comparatively heavy particles, can be found in the positively charged nucleus.

In a group, as the atomic number rises, the atomic size expands from top to bottom. Valence electrons are located farther from the nucleus because there are more filled energy levels, which increases atomic size.

Atomic size grows as a function of period number, number of shells, and so forth. Since there are more electrons in each shell as we move from left to right in a period, the force of attraction between the nucleus and electrons, which have positive charges, is stronger, bringing the shells closer to the nucleus and shrinking the size of the atom.

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Sound can travel through solid, liquid, and gaseous materials, whereas S-Waves can travel only through solid materials.

Sound is a form of energy. Sound moves through matter that is solid, liquid, and gas. In a vacuum sound cannot travel. In solids sound can travel more quickly as compared to liquid and gases because in solids molecules are closer together.

S-Waves are shear waves. These are the waves of high frequency and short wavelength. S- Waves can travel only through solid materials.

Thus from the above conclusion we can say that Sound can travel through solid, liquid, and gaseous materials, whereas S-Waves can travel only through solid materials.

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Answer:

What mass of silver will raise the level of the water in the graduated cylinder 1.50 mL? (Ans) 28.95 g / 1.50 mL = 19.3 g/mL (The gold's density)

19.3 gm/ml³ is the density of gold  .

Density, mass of a unit volume of a material substance. Density of a substance tells how close the particles of a substance are packed.

The formula for density is D = M/V, where d is density, M is mass, and V is volume.

Density is commonly expressed in units of grams per cubic centimeter.

The SI unit of density is kilogram per cubic meter (kg/m3).

It is also represented  in the c g s unit of grams per cubic centimeter (g/cm3).

To calculate density of gold (here):

Given,

Mass of gold=28.95 gm

Volume of water=1.50 mL

Density=?

Density =Mass/Volume

Density=28.95/1.50

Density=19.3 gm/ml³

Hence, 19.3 gm/ml³ is the density of gold .

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Answer:  The frying pan is made up of metals like aluminium or stainless steel as these metals are good conductor of heat.

Answer:

b. they are good conductors of heat

Explanation:

study island

Explanation:

In sugar solution 200 g has sugar 10 g

In sugar solution 100 g has sugar 10/200 × 100

= 5 %w/w