1Table salt is a compound made of sodium and chlorine
atoms .From the table, what can you conclude about the properties of
compounds and the elements they are made of?
Some Properties of Three Substances
Sodium
Chlorine
gas
solid
green
silver
Property
State (at room temperature)
Color
Toxicity
poisonous
poisonous
Table salt
solid
white
not
poisonous

The answer would be Porpoise Skin, Acacia wood, gold, silver and bronze.

Some of the materials that are used to build the tabernacle. The three specific materials that were used by the builders are mentioned below :

Porpoise Skin, Acacia wood, gold, silver and bronze

Porpoise skins to make the covering of sanctuary as well as the container. Acacia wood also called as mimosa. It is excellent quality of wood. The durability of wood is extremely good. Gold is a chemical element with the symbol Au and Z is 79. This makes it one of advanced that rudiments naturally. It's a bright orange-unheroic, thick, soft, malleable, and ductile essence in pure form.

Tabernacle is related to exodus God, it is basically a residence of God.

It is also used for astrological purpose and healing motives.

High resistance fungus.

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Answer in the attachment above.....

Answer:

When pressure increases, gas volume decreases.

When pressure decreases, gas volume increases.

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 monolayer is containing 3.18×10-6 g of oleic acid has an area of 20.0 cm2, thus the thickness of the monolayer is calculated as    1.777 × 10⁻⁷ cm

Using,

Density = Mass / Volume

It is given that:

Area = 20.0 cm²

Density = 0.895 g/mL

Mass = 3.18 × 10⁻⁶ g

Then, applying the density formula as:

0.895 g/mL = 3.18 × 10⁻⁶ g / Volume (ml)

Volume = 3.55 × 10⁻⁶ mL

Since, 1 mL = cm³

So, Volume = 3.55 × 10⁻⁶ cm³

Thickness of monolayer = ?

Also, Volume = area x thickness

So, then we have

Thickness = Volume/Area = 3.55 × 10⁻⁶ cm³ / 20.0 cm²

= 1.777 × 10⁻⁷ cm

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115 Kilometers is an equivalent of 11,500,000 centimeters. This problem is related to metric conversion.

It is to be noted that there are 100,000 centimeters in one Kilometer.

Hence,

115 Kilometers = 100,000 x 115

= 11,500,000

Thus, 115 Kilometers =  11,500,000 Centimeters.

The metric system is an international decimal weights and measures system that relies on the meter for length and the kilogram for mass that was introduced in France in 1795 and is now officially used in virtually all countries.

The metric system is a measuring system that employs the meter, liter, and gram as basic units of length (distance), capacity (volume), and weight (mass). We employ units derived from metric units to measure smaller and greater quantities.

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Answer:

C. Net force

Explanation:

An acid is able to produce ions in the aqueous solution because polar H-A bond break due to the attraction between H atoms and the O atoms of water.

In Chemistry, a substance that produces hydrogen ions along with a conjugate base is called acid.

After dissolving in water, the constituents of acid break apart forming hydrogen ions or H+ ions which react with water molecules to form hydronium ions i.e. H3O+. Thus making the solution more acidic.

The general formula of an acid shows that it contains a halogen atom, an oxygen atom and hydrogen atoms.

For example, the dissociation of H2SO4 in water produces H+ ions and SO4- ions.

H2SO4      ⇄     H+ + SO4-

In the absence of water acids can not dissociate.

To put it simply, acids release h+ ions only when they are added to an aqueous solution.

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C. Because of inertia, the ball continues rolling forward at the same speed.

Newton's first law states that if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force.

This law of is also called the law of inertia because it depends on the mass of the object.

If a steel ball is at one end of a box that is moving forward, when the box suddenly stops, the steel ball will continue moving forward based on Newton's law of inertia.

Thus, because of inertia, the ball continues rolling forward at the same speed.

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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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Figure 1 shows the melting points and the boiling points of four substances, A, B, C and D. The substance is liquid over the greatest temperature range is C.

Hence, Option 3 is correct answer.

The Melting point (MP) of a substance is defined as the temperature at which a solid melts and change from a solid state to a liquid state may coexist in equilibrium. Melting point is a physical property.

Example of melting point: Sodium chloride (NaCl) is an ionic compound. Sodium chloride (NaCl) is made up of strong ionic bonds and it melts at only high temperatures that is 801°C.

Boiling point is defined as the particular temperature where the liquid-gas phase change occurs and the vapor pressure of a liquid equals the external pressure surrounding the liquid.

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Note: The question is incomplete on the portal. Here is the complete question.

Question: Figure 1 shows the melting points and the boiling points of four substances, A, B, C and D. Which substance is liquid over the greatest temperature range ?

1. A

2. B

3. C

4. D

Answer:

The answer is D all of the above

Explanation:

Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms.

Answer:

D

Explanation:

Bro the source is: Trust me Bro

You can modify to wrap aluminum foil around the sample flask and fractionating column.

And place the receiving flask in an ice bath.

Separating a mixture into its constituent parts, or fractions is known as fractional distillation. By heating chemical mixtures to a temperature where one or more fractions of the mixture evaporate, chemical compounds are separated.

Fractional Distillation can also be described as the separation of a liquid combination via distillation, usually using a fractionating column, into fractions with different boiling points (and thus chemical composition).

Chemicals can be cleaned by fractional distillation, and mixtures can be divided into their constituent parts.

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Any atom can differ in the amount of any of the three particles in each of them.

If the number of protons is different, the atoms are of two different elements. The number of neutrons in atoms of different elements can be the same and the number of neutrons in two atoms of the same element can be different.

The number of protons in the atoms of each element is fixed to its atomic number. The atomic mass can be the same across atoms of different elements but the atomic number is the same. It is therefore accurate to say that atoms of different elements can be identified solely by the number of protons.

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.

Answer:

88.58 inches

Explanation:

You would just divide 225 by 2.54

Answer:

88.5827

Explanation:

Answer: Aspartame

Explanation:

A non-volatile solvent should be used that is present without impurities.

The solvent should be non-volatile, non-flammable, and non-carcinogenic. 50 to 120°C should be the boiling point of the solvent. Impurities ought to be soluble in the cold solvent or insoluble in the hot solvent, respectively. The substance and solvent must not interact in any way.

Ether has a higher solubility for trimyristin than acetone. After the solvent was removed, diethyl ether produced an oil that was difficult to crystallize.

Longer fatty acid chains result in more London dispersion forces, which raise the melting point.

Several of the major laboratory solvents, including water, alcohol is commonly used.

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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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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"

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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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 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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In the outermost shell of aluminum, there are 2 electrons in the s orbital and 1 in the p orbital.

Let us recall that the orbital diagram is the diagram that shows the arrangement of the electrons in an atom. Let us recall that aluminum is an element of group 13 of the periodic table. This implies that there are three electrons in the outermost shell of the atom.

Now, we can see the orbital diagram of aluminum in the image that have been attached to this answer. It is therefore very much clear that there are three electrons in the outermost shell.

In the outermost shell of aluminum, there are 2 electrons in the s orbital and 1 in the p orbital.

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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 equilibrium to shift as in direction where the drop in concentration of occurs if the concentration of [tex]Co_{2}[/tex]is raised on the product side. As a result, the equilibrium will move to the left.

what is equilibrium?

During a reversible chemical process, chemical equilibrium is the state in which there is no net change in the quantity of reactants or products. The moment the products are produced in a reversible chemical reaction, they begin to interact with the initial reactants.

When the two opposing reactions are in equilibrium, there is no net change in the amount of the chemicals involved since they are taking place at the same rates, or velocities.

However at time, the reaction may be deemed to have finished, meaning that the maximum amount of reactants to products has been converted under the given reaction conditions.

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The correct question is :

Consider the following reversible, exothermic chemical reaction: 2C2H2(g) + 5O2(g) ↔4CO2(g) + 2H2O(g)

All BUT one of the conditions will cause equilibrium to shift right and produce more of the products. Which change will cause the reaction to shift to the left?

A) adding oxygen

B) adding CO2

C) increasing the pressure

D) decreasing the temperature

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.