Use the vent diagram below to identify where the listed characteristics belong.

The  water particles moves closer together towards each other.

The water in the beaker is in a liquid state of matter as given in the statement and the  temperature decreases from 50°C to 10°C when placed in a freezer by Kiley.
This means that heat from water is gradually being lost ,as the liquid water undergoes freezing in a solid state. When the  water in  liquid state is freezed, water molecules, which were moving more freely in liquid state  move closer to each other  because the speed at which the water molecules in the liquid state moved has been reduced in solid state (ice).

The process in where matter is changing from the liquid to the solid state is known as Freezing.  the freezing point of liquid like  water is 32°F or 0°C. 

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Answer:

Hydrogen Gas

the chemical formula is H2

Answer:

hydrogen gas

Explanation:

Na + H20 -------> Na20 +H2

Answer:

Since metals have more number of electrons therefore, they donate extra electron(s) in order to gain stability. Whereas non-metals have less number of electrons than metals. Hence, non-metals readily gain electron(s) in order to gain stability.

Sum for the mentioned entries are as follows.

(+1) + (-1) = 1 -1 = 0

(+2) + (-2) = 2 - 2 = 0

2(+1) + (-2) = 2 - 2 = 0

(+3) + 3(-1) = 3 - 3 = 0

3(+2) + 2(-3) = 6 - 6 = 0

According to bond energy, the maximum wavelength of light is 475 nanometers.

We need to know about bond energy to solve this problem. Bond energy is the energy needed to bond other atoms in the molecule. To determine the energy in one molecule of chlorine monofluoride, we can use this formula:

E = BE / Na

where E is the energy of photon, BE is bond energy and Na is Avogadro's number (6.02 x 10²³ atoms/mol)

Now, we can calculate the shortest wavelength by using Einstein's equation for photon energy:

E = h . c / λ

where h is Planck constant (6.6 x 10¯³⁴ J.s), c is the speed of light (3 x 10⁸ m/s) and λ is the wavelength.

From the question above, we know that

BE = 251 kJ/mol = 251 x 10³ J/mol

By substituting the given parameters, we can calculate the maximum wavelength

E = BE / Na

h . c / λ = 251 x 10³ / 6.02 x 10²³

6.6 x 10¯³⁴ . 3 x 10⁸ / λ = 251 x 10³ / 6.02 x 10²³

λ = 4.75 x 10¯⁷ m

λ = 475 nm

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Answer: Aspartame

Explanation:

Boyles law shows the relation between effect of pressure on volume at constant temperature.

In boyle's law mass is independent variable and volume is dependent variable. The equation of boyle's law is

pV= constant.

Because the gas particles are compressed closer together as the pressure on a gas rises, the volume of the gas decreases.

In contrast, as a gas's pressure falls, its volume rises as a result of the gas's ability to spread its particles farther apart. Because the volume of the gas has risen, weather balloons become larger as they ascend through the sky to lower pressure areas.

Therefore, Boyles law shows the relation between effect of pressure on volume at constant temperature.

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Answer:

Explanation:

1. Ammonium hydroxide and copper sulfate reaction is a double displacement reaction. This equation can be written as: CuSO4+➡(OH)2+(NH4)2SO4.

2. Zinc displaces copper from copper sulfate and generates zinc sulfate solution when added to CuSO4 solution because zinc is a more reactive metal that displaces less reactive metal from its solution. Equation: Zn+CuSO4 ➡ ZnSO4+Cu.

3.  Magnesium combined with sulfuric acid produces magnesium sulfate and hydrogen gas. For this reaction, we have a neutralization reaction. Equation: 2Mg+2H2SO4 ➡ 2MgSO4+2H2.

4. Copper (II) oxide, is a black solid, which, when reacted with sulphuric acid creates a cyan-blue-colored chemical called copper II sulfate. Copper (II) oxide reacts with sulfuric acid to create water and copper (II) sulfate. Equation: CuO + H2SO4 = CuSO4*H2O

The frequency of the wave is 1.33 * 10^15 Hz.

We know that a wave has both the magnitude and the direction of the wave. In this case, we can see that the electron is said to have the speed of light and we need to find the frequency of the electron.

From the wave formula;

c = λf

c = speed of light

λ = wavelength

f = frequency

c = 3 * 10^8 m/s

λ = 225 * 10^-9 m

f = ???

f = c/ λ

f =  3 * 10^8 m/s/225 * 10^-9 m

f = 1.33 * 10^15 Hz

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The true statement is; the mass of sodium chloride formed is less than 76 grams.

From the law of conservation of mass, we know that the total mass of the reactants and the products must remain the same. This is summarized in the axiom that the mass can not be created nor destroyed in a chemical system.

In this chemical system, we have 40 g of sodium hydroxide and and 36 g of hydrochloric acid. The reaction occurs thus; hydrochloric acid + sodium hydroxide = sodium chloride + water

Applying the law of conservation of mass, we can see that the true statement is; the mass of sodium chloride formed is less than 76 grams.

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Missing parts;

In a chemical reaction, 36 grams of hydrochloric acid reacts with 40 grams of sodium hydroxide to produce sodium chloride and water. Which statement is correct?

The mass of water formed is 76 grams.

The mass of sodium chloride formed is 76 grams.

The mass of water formed is greater than 76 grams.

The mass of sodium chloride formed is less than 76 grams.

The statement that best describes a scatterplot is that it shows quantitative data that relate two variables (option C).

A scatter plot is a type of graph that displays the relationship between two variables.

The scatter plot is portrayed on a cartesian plane where one of the variables is on an axis called X-axis and the other is on another axis called y-axis.

One of the variables is the independent variable while the other variable is the dependent variable.

Therefore, the statement that best describes a scatterplot is that it shows quantitative data that relate two variables.

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The mass of carbon dioxide in this is 264 g according to the given data.

The molar mass is basically the total mass in grams of the atoms that make up a molecule per mole. Molar mass is measured in grams per mole.

Combustion is the process of burning glucose in the presence of oxygen.

The balanced reaction is

[tex]C_6H_1_2O_6+6O_2---- > 6CO_2+6H_2O[/tex]

As a result, each mole of glucose requires six moles of oxygen molecules.

Glucose has a molar mass of 180g per mole.

As a result, the reaction will be completed, with one mole of glucose reacting with six moles of oxygen to produce six moles of Carbon dioxide and six moles of water.

Carbon dioxide produced mass = moles X molar mass = 6 x 44 = 264 g

Thus, 264g will be the mass of the carbon dioxide produced.

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The energy of a mole of blue photons is determined as  4.68 x 10⁻¹⁹ J.

The amount of energy carried by a photon is directly proportional to the photon's electromagnetic frequency and inversely proportional to the wavelength of the photon.

E = hf

E = hc/λ

where;

The energy of a mole of blue photons is calculated as follows;

E = (6.626 x 10⁻³⁴ x 3 x 10⁸) / (425 x 10⁻⁹)

E = 4.68 x 10⁻¹⁹ J.

Thus, the energy of a mole of blue photons is determined as  4.68 x 10⁻¹⁹ J.

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The correct option is (B) increase.

If the number of molecules of gas a is doubled, the rate of reaction will increase.

The measure of the change in reactant or product concentration per unit of time is known as the reaction rate for a specific chemical reaction.

The speed at which a chemical reaction proceeds is known as the reaction rate. The concentration of a reactant that is consumed in a unit of time or the concentration of a product that is produced in a unit of time is two common ways to define it (amount per unit volume).

The rate law and collision theory both state that reaction rate increases with concentration. Collisions happen more frequently as reactant concentration rises. Pressure causes a rise in the rate of gaseous reactions, which is actually comparable to a rise in the gas's concentration.

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The complete question is:

"Consider two gases, A and B, are in a container at room temperature. What effect will the following changes have on the rate of the reaction between these gases? The number of molecules of gas A is doubled.

(A)decrease

(B)increase"

Answer:

Telescopes have opened our eyes to the universe. Early telescopes showed that Earth was not the center of the universe, as was previously believed. They also showed mountains and craters on the moon. Later telescopes have revealed geography and weather on the planets in our solar system.

Explanation:

Answer in the attachment above.....

Group 1: 1+

Group 2: 2+

Group 13: 3+

The charges of the ions are dependent on the number of valence electrons.

Valence Electrons

Group 1 has 1 valence electron, group 2 has 2, and group 13 has 3. It is important to remember that elements will attempt to have a full valence shell. They may either attempt to lose all of their valence electrons or fill the energy level with 8 electrons.

Since all of these groups have less than 4 valence electrons, they will attempt to lose their valence electrons.

Determining Charges

When atoms lose electrons, they gain a positive charge. Since all of these elements will lose electrons, all of the ions will be positive, also known as a cation.

The positive charge of an element is equal to the number of electrons the atom loses. This means that group 1 will have a 1+ charge because it loses 1 electron. Continue this pattern to determine that group 2 will have a 2+ charge and group 13 will have a 3+ charge.

Answer:

The real answer is ...................... .

Answer:

C. Net force

Explanation:

Option B) The reverse rate constant will increase 20-fold, because an enzyme does not alter the equilibrium constant, it must catalyze both forward and reverse reactions to the same extent.

The forward reaction rate constant divided by the reverse rate constant gives the equilibrium constant as per the catalyze that performs the role.

The reciprocal of the equilibrium expression for a reaction written in the forward direction is the expression for a reaction written in the reverse direction. The forward reaction’s constant is K, while the reverse reactions is K’.

Yes, the forward to the backward ratio of the equilibrium constant is what makes it feasible for a reaction to have big forward and reverse rate constants yet a tiny equilibrium constant.

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Complete Question

A reaction has an equilibrium constant, Keq, of 50. When performed in the presence of an appropriate enzyme, the forward rate constant is increased 20-fold. What will happen to the reverse rate constant?

a. In will decrease 20-fold.

b. It will increase 20-fold.

c. It will be unaffected.

The substance which contains useful elements which can be extracted from it is called ores.

The crust of the Earth contains some naturally occurring elements known as minerals, which comprise metal compounds.

Ores are mineral deposits from which metal may be economically and conveniently extracted. Generally, metals are not found in their natural state. Metals such as potassium, sodium, calcium, magnesium, and others are present in a combined state. Therefore, to obtain a pure form of metal, it must be extracted from these metal compounds. This process of extracting metal from the ore is known as Metallurgy. Remember that while all minerals are not ores, all ores are minerals.

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Answer:

Aluminum and Zinc

Explanation:

Amphoteric oxides have both acidic and basic properties. The oxides of aluminium and zinc are examples. They form salts when they react with acids. They also react with alkalis to form complex salts.

Waves are related to energy because waves carries energy.

Energy is defined as a quantitative property that is transferred to a body or to a physical system to perform there work.

It can also be defined as a ability to do work or ability to exert a force causing displacement of the objects.

Energy is divided into two parts.

The amount of energy carried is related to there frequency and there amplitude. The wave travels and carry energy with it.

Thus, waves are related to energy because waves carries energy.

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The answer would be 398.40 K and 4.71 * 10^-6 kW/K.

Temp. of Argon stream : 80 F = 299.817 K

Temp of CO2 stream : 550 F = 533.15 K

CO2 mass, flow rate : 0.5 lbm/h = 6.299 * 10^-5 kg/s

Ar,mass, flow rate : 1 lbm / h = 0.000125 kg /s

(a) Particular heat capacity of Ar : 0.523 kJ/Kg.K

Particular heat capacity of CO2 : 0.756 kJ/kg.K

Mass balance expression = mo3 = mo1 + m02 ; mo3 is mass mixture.

Formula to find heat capacity of mixed particle : cpm  mo1*cpa + mo2cpc/mo1 + mo2

= 0.6010 kJ/ kg.K

Formula for energy balance law mo3*cpm*T03 = mo1*cpa*To1 + mo2*cpc*To2

Put the values , and the temperature of the mixture is 398.40 K

(b) Formula for rate of entropy geneartion for process is

del So= mo1*cpa ln(T03 / T01) + mo2*cpc in (T03 / T02)

Put the values and we get del So = 4.71 * 10^-6 kW/K

The given question is incomplete : (a) Final Temperature ?

(b) Rate of entropy generation of the process ?

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After selecting the hypothesis, the next step is to design an experiment to test the hypothesis.

For example, our hypothesis is "deforestation causes soil erosion".

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A polar liquid and a nonpolar liquid that don't mix together is the best illustration of immiscible liquids among those mentioned above.

Liquids that are immiscible do not combine to generate another liquid

Here are a few more instances of immiscible liquids:

Contrarily, miscible liquids are two liquids that can mix together to make one larger liquid.

Therefore, a polar fluid and a nonpolar fluid that are unable to melt into one another are the greatest examples of immiscible liquids from the alternatives above.

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The substance is known as an ore.

We can define an ore as a mineral from which useful elements can be extracted economically and it contains valuable substances.

As an example for aluminum, the feldspars can be treated as an ore (NaAlSi3O8, KalSi3O8, & CaAl2Si2O8 ), from feldspars we can extract aluminum economically,

Gangue is another type of mineral which don't contain valuable substances.

There are four types of ores ,

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The specific heat of the metallic element rhodium is 0. 240 j/g-k at 25°c. If 586 j of heat is added to an 80. 0 g block of rhodium metal that is initially at 25. 0°c,  the expected final temperature of the block 55.5 °C.

As we know heat is equal to:

Q= mcΔT

Given values:

M= 80 g

C = 0.240 J/g K

Q= 586 J

To find final temperature

ΔT = 586 / 80 x 0.240 = 30.5 °C

Final temperature =25 + 30.5 = 55.5 °C

The final temperature is  55.5 °C.

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The equivalence of these value is 1.75 × 10⁻³ M.

Hardness = 175 mg CaCO₃/L

or mass of CaCO₃ in 1 L = 175 × 10⁻³ grams

Now,

Molar mass of CaCO₃ = 40 + 12 + ( 3 × 12 ) = 100 grams/mol

The concentration of CaCO₃ = number of moles / volume

or

= (175 × 10⁻³ / 100) / 1

or

= 1.75 × 10⁻³ M

Now,

      CaCO₃         ⇒        Ca²⁺         +         CO₃²⁻

1.75 × 10⁻³ M          1.75 × 10⁻³ M         1.75 × 10⁻³ M

thus,

the concentration of Ca²⁺ ions in water = 1.75 × 10⁻³ M

An equivalency relation on a set S is a transitive, symmetric, and reflexive relation on S. A square and a triangle cannot be superimposed since they are not equivalent in force, quantity, or value or in area or volume.

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