Name the phase change that occurs when a diamond film forms on a surface from gaseous carbon atoms in a vacuum?

It is a result of "balanced forces".

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Quizlet - "Unit 6: Lesson 2 Newton's First Law QC"

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According to gravitational momentum, shown under that have balanced forces acting on them prefer to remain that way. According to Newton's first law balanced forces are affect an object that is stationary.

Unless influenced by an imbalanced force, an item at rest stays at rest, and an object in motion keeps moving in a straight path at a constant pace.

An item that is stationary is one that is not shifting or considered the beginning. It is dormant. In such posture, all the forces exerting pressure on it are balanced out or their combined magnitudes are zero.

Based to their inertia, stationary objects which have already balanced forces acting on them prefer to stay that way. When an unbalanced force is operating on a stationary item will it move.

Thus, option D is correct.

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the acronym PASS involves  the steps needed for the operation of the fire extinguisher which are Pull, Aim, Squeeze, and Sweep.

P- Pull the pin, this step will allow you to discharge the extinguisher.

A- Aim the nozzle at the base of the fire, If aim at the flames, which is most frequently the temptation, the agent in the extinguisher will fly right through and will do no good,  You had to hit the fuel.

S- Squeeze the lever slowly, In this step depresses the button that releases the pressurized extinguishing agent in the extinguisher.

S- Sweep the spray from side to side over the fire,  Start using the extinguisher from a safe distance away, then move forward to the reduced flame, until the fire is completely out, but keep an eye,  on the area it may re-ignites.  

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It important not to over-heat the beaker when drying the sodium chloride so that parts won't be lost, and in addition, if the beaker were to overheat, it would crack.

Can you evaporate sodium chloride?

At gas pressures ranging from 0.74 to 212 psia, the rate of evaporation of molten NaCl in the presence of different gases was observed. The rate in crucibles heated by induction had a distinct slope at high and low pressures and was a linear function of (1/P).It is demonstrated that the (1/P) dependency is predicted for turbulent free convective mass transfer. Under some circumstances, when pressure dropped, the rate of evaporation also did. This result is explained by the condensation of NaCl in the gas and the subsequent reflux of NaCl particles into the melt. The significant disparity in evaporation rates between Ar, He, and CO2 is related to the CO2's infrared absorption as well as variations in thermal conductivity.

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The evidence of the revival of Jansenism is the desire of ordinary people to connect themselves to what they saw as the direct work of God.

Jansenism is a theological movement that is done with the mixing of Catholicism. It was active in France's kingdom.

Primarily throughout the seventeenth and eighteenth centuries, Jansenism flourished inside Roman Catholicism before being denounced as heresy in 1653 by Pope Innocent X.

Thus, the yearning of common people to participate in what they perceived as God's direct action is proof of the rebirth of Jansenism.

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Answer:

C

Explanation:

To make (H₃C)₃C-O-CH₃ using the Williamson ether synthesis is

        H₃C-OH + Na⁺   →    (H₃C)₃C-Br⁻  →  (H₃C)₃C-O-CH₃

The general method for synthesis of ether is Williamson ether synthesis, as it involves nucleophilic displacement of a halide or any other group by an alkoxide ion.

It takes place as am SN2 reaction of primary alkyl halide with an alkoxide ion.

The basic mechanism of reaction is:

                     R--O⁻  + R'--X  -------→  R----O----R'       X⁻

The Williamson ether synthesis consists of two separate reactions; preparation of alkoxide and its reaction with alkyl halide.

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The approximate power per area emitted by the inside wall of an oven when baking a cake in w/m2 is 6 x 3^4.

Comparing the surface power density of various industrial energy sources is crucial. Geographer Vaclav Smil popularised the idea. In the pertinent literature, the phrase is sometimes abbreviated to "power density," which may cause confusion with similar or homonymous concepts.

The power obtained per square metre of Earth's surface area utilised by a particular energy system, including all supporting infrastructure, manufacturing, fuel mining (if relevant), and decommissioning, is expressed in W/m2. Due to the high power density of fossil fuels and nuclear energy, substantial amounts of electricity may be produced in very small spaces at power plants.

6 x 3^4 (for reference Humans are about 300 K)

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Answer:

hydrogen bonds are also known as electrostatic dipole interaction

(C) C4O3N2H8 is the deduced formula of the molecule made from two monomers of glycine.

Of all the human amino acids, glycine has the smallest and most basic structure. The only amino acid whose center carbon is achiral has a side chain made up entirely of hydrogen atoms, and that amino acid is glycine (not a chiral carbon).

In deducing the formula of a compound:

1. Write the symbols side by side, with the basic radical written first and the acidic radical written after.

2. Add each atom's valency to the top of its symbol.

3. Subtract the valency values from their highest shared factor. Radical symbols should be ignored. Alternate the radicals' valencies.

4. To the right of the radicals, write the valency numbers that were switched. Put the radical inside brackets if it consists of a group of atoms and has more than one valency.

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Question correction:

The formula of the amino acid glycine is C2O2NH5. Deduce the formula of the molecule made from two monomers of glycine

A) the information given does not allow such a deduction

B) C4O4N2H10

C) C4O3N2H8

D) C4O2N2H6

E) C4ON2H4

Density is defined as mass of the given matter divided by its volume

it's  SI unit is kg/m³

given,  density = 6.8 grams per cubic centimeter (g/cm³)

mass = 5.3 grams (g).

D = M ÷ V

V = M ÷ D

V = 5.3 ÷ 6.8

V = 0.77941 g/cm³

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Imagine a solution containing only water, sodium, and glucose. if a voltage is applied to the solution, there would be no net movement of glucose

The given declaration is wrong. Glucose answers aren't electrolytes and consequently do now no longer behavior power. Is sodium chloride an awesome conductor of power? Simply with the aid of using dissolving or dissolving it in water, it can not behavior power as a solid.

Saline includes Na+ and Cl- ions. If ions are gifted withinside the answer, those ions can pass thru the answer and convey an electric-powered current. Pure water and sugar answers do now no longer include widespread ions. glucose molecules do now no longer smash down into ions whilst dissolved.

When glucose is introduced to water, it dissolves without difficulty however now no longer dissociates into ions. Therefore, a glucose answer isn't an electrolyte and isn't a conductor of power.

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oxidation-reduction reactions are -

For reaction,

On reactant side:

Oxidation state of Carbon = +2

Oxidation state of Oxygen = 0

On product side:

Oxidation state of Carbon = +4

Oxidation state of Oxygen = -2

Here, carbon's oxidation state is rising from +2 to +4. As a result, it is oxidizing and the oxygen's oxidation state is decreasing from 0 to -2. As a result, it is decreasing.

For reaction,

                Fe2O3(s) + 3CO(g) → 2Fe(l) + 3CO2(g)

When reacting:

Iron's oxidation state is +3.

Carbon's oxidation state is +2.

On product side:

Iron's oxidation state is zero.

Carbon's oxidation state is +4.

Here, carbon's oxidation state is rising from +2 to +4. As a result, it is being oxidized and the iron's oxidation state is changing from +3 to 0. As a result, it is decreasing.

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Answer:

The pH scale ranges from 0-14.

Explanation:

Zero is the most acidic measurement while six would be the least acidic of the acids, seven is a pure substance, neither acidic nor basic, eight is the least basic measurement while 14 is the most basic of the bases.

Answer:

atoms with a different attraction for electrons

Explanation:

A chemist can add groups with bonds between atoms that have distinct electron attractions to make a chemical that is not soluble in water into solution.

Thus, A medicine or substance that is water soluble is more easily absorbed by your digestive system.

Positive and negative energy are drawn together, creating a stable structure. Polar ions or compounds break down or disintegrate into smaller components when they are added to water. They may also dissolve and mix with the solution.

The various components of a compound are drawn to water's partial charges. It becomes more soluble in the water when attraction takes place.

Thus, a substance can become water soluble by introducing groups with bonds between atoms that have distinct electron attractions.

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The wrote and balanced equation for the precipitation reaction between sodium carbonate and strontium iodide.

(NH4)2S + CoCl2 → CoS + 2 NH4Cl

This equation is properly balanced. There are 2 nitrogen atoms, 8 hydrogen atoms, 1 sulfur atom, 1 cobalt atom, and 2 chlorine atoms on both the left and right sides of the reaction arrow, and all of the compounds are neutral as written.

A balanced chemical formula is one in which the number of atoms of each type in the reaction is the same on both the reactant and product sides. A balanced chemical formula has equal mass and change. A balanced equation is an equation of a chemical reaction in which the number of atoms and total charge of each element in the reaction is the same for both reactants and products. In other words, mass and charge are balanced on both sides of the reaction.

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The answer would be an atom.

Atom : An atom is a tiny piece of a matter that unparalleled defines a chemical element.

An atom comprise of a mid nucleus that is neighbouring by one or more negatively charged electrons. The nucleus is positively charged and consist one or more relatively bulky particles known as protons and neutrons.

It is the littlest unit of an element.

Cannot be made or annul in a chemical reaction.

Atoms of various elements have various masses and chemical attributes.

Atoms merged in the ratio of compact whole numbers to form compounds.

Characteristics of an atom : atomic number, mass number and net charge.

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Converting ounces to grams

16 oz (In a pound) * 28.35= 453.6

The pound is the official currency of the United Kingdom and related territories. [4] The pound (symbol: £) is the principal unit of sterling and can be referred to by the compound noun [b] pound sterling or the term British pound, neither of which is the official name of the currency itself. One pound is divided into 100 pence (singular: "penny", abbreviation: "p").

The pound is the unit of currency used in Great Britain. This is represented by the £ symbol. The British pound is divided into 100 pence. Other countries, such as Egypt, also have a currency unit called the pound. A cup of coffee costs £2. A pound is defined as the base unit of weight in the foot-pound-second (F.P.S) system and is equivalent to 16 ounces. An example of pounds is a man who weighs 186 pounds. An example of 1 lb is to buy 3 lbs of lemons. noun. Pound means to strike with force.

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The answer of the the percentage of zinc in the alloy is 33.33%.

Mass percent is the mass of the element or solute divided by the mass of the emulsion or solute. The result is multiplied by 100 to give a percent. The formula for the quantum of an element in a emulsion is mass percent = (mass of element in 1 operative  of emulsion / mass of 1 operative of emulsion) *100.

An alloy, metallic substance comprised of two or more elements, as either a compound or a solution. For example: Brass is an alloy of two metals: copper and zinc.

According to question,

Mass of pure Gold = 64g

Mass of pure zinc = 32 g

Now,

Total weight of alloy is = 64 + 32 = 96 gram

32 g of which is zinc

So percentage (%) of zinc in the alloy is 32/96*100 =  33.33 %

Hence, the percentage of zinc in the alloy is 33.33%.

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The average atomic mass of Rubidium with two common isotopes Rb-86 and Rb-87 is 86.09 amu.

According to the question,

Abundance of Rubidium-86 = 73.2%

Abundance of Rubidium-87 = 26.7%

Steps to calculate the average atomic mass of an element are:

Therefore,

Rb-86 = 73.2/100 = 0.732

Rb-87 = 26.7/100 = 0.267

Atomic mass of Rb-86 = 0.732 × 85.91 = 62.89 amu

Atomic mass of Rb-87 = 0.267 × 86.91 = 23.20 amu

Hence, the average atomic mass = 62.89 amu + 23.20 amu = 86.09 amu.

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The answer is 10% sugar have more solvent.

A solution that comprises as much solute as can mixed in a given solvent at a given temperature is known as saturated solution. If you add more than 200 grams of sugar to a  liter of 2 °C water, the extra sugar won’t dissolve. On the other hand, a solution containing less than 200g of sugar in 1 liter of 20 °C water can hold more sugar. A solution that comprises less solute than can mixed at a given temperature is known as unsaturated solution.

Saturated solution is also called as supersaturated solution.

According to question,

The answer would be 10% grams of sugar have more solvent.

It is very known that small size or amount of solute mixed faster as comparison to higher amount of sugar.

So if you add another solute to the mixture of 20 g of sugar solution it takes more time and also there will be no space left in the molecules of the 20 g of the sugar solution and hence less solvent as compared to 10% gram of solvent.

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Trigonal planar two-word phrase best describes the shape of the formaldehyde ( ch2o ) molecule

In formaldehyde carbon has four valence electrons, so it tends to make four bonds in covalent compounds. oxygen has six valence electrons, but as it tends to accept two, it tends to make two bonds in covalent compounds. hydrogen is almost always going to make only one bond, given that it only has one valence electron. 4+2+6=12 valence electron . in formaldehyde molecule carbon is on middle and double with oxygen am=nd single bond with 1 hydrogen and single bond with 1 hydrogen this make shape of formaldehyde called trigonal planar.

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The independent variable is the type of liquid and the dependent variable growth of the plants.

An experiment is used to establish the relationship between causes and effect in each of the following cases, let us determine the dependent and independent variable.

1) The independent variable is the type of liquid and the dependent variable growth of the plants. The constants are the plants and the land. A valid hypothesis is; "The growth of the plants depends on the type of liquid used to water the plants"

2) The independent variable is the mode of transport and the dependent variable is the time taken to reach the market. The constant is the distance covered. A valid hypothesis is; "The time taken to arrive at the grocery store depends on the mode of transport used"

3) The independent variable is the kind of app and the dependent variable is the  battery life. The constant is the phone used while the hypothesis is; "Certain apps delete the battery faster than others"

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Answer:

This means it is a solid, so a formula is used to measure it. The formula depends on its shape.

You would use a ruler to measure it.

Explanation:

You would use a ruler to measure it:

Ex. Shoebox

Rectangle Volume = length x width x height

V= l • w • h

Ex. Rubix Cube

Cube Volume = length x width x height

since all sides are equal, it is:

V= s3

A sugar crystal is placed in water, every time a sucrose molecule dissociates from the crystal, water molecules surround it in a cloud forming a hydration shell.

What is a hydration shell?

The term "hydration shell" refers to a more or less continuous cluster of water molecules that surround and are somewhat linked to another substance that the water molecules are drawn to because it is hydrophilic, or water loving.

Since there is space between matter particles and sugar crystals, the level of water does not significantly rise when sugar crystals dissolve in it, keeping the water level constant.

Thus, every time a sucrose molecule separates from a sugar crystal in water, a cloud of water molecules forms around the crystal, creating a hydration shell.

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Answer:

235.7 gm

Explanation:

58.933 gm/mole  *  2.408 * 10^24 atoms / (6.022 x 10^23  atoms/mole)

         = 235.7 gm

Frequency, wavelength and speed of light are connected to each other by the formula

c= f * w

where c is the speed of light

f is the frequency of light

w is the wavelength

We are required to find the frequency of light at different wavelengths as provided in the question

We would use the speed of light as 3 x 10^8 m/s

Case 1:

when the wavelength is 200 nm

a nm is a unit of the scale 10^-9m

Using the formula,

c= f *w

3 x 10^8 = f x 200 x 10^-9

f = 3 x 10^8/200  x 100^-9

  = 1.5 x 10^17 Hz

Case 2:

when the wavelength is 30pm

a pm is a unit of the scale 10^-12m

c = f *w

3 x 10^8 = f  x 30 x 10^-12

f = 3 x 10^8 / 30 x 10^-12

f= 10^19Hz

Case 3:

when the wavelength is 10km

a km is a unit of the scale 10^3m

c = f *w

3 x 10^ 8 = f x 10 x 10^3

f =3 x 10^8 / 10x 10^3

f = 3 x 10^4 Hz

Hence the frequencies are 1.5 x 10^17 Hz, 10^19Hz,3 x 10^4 Hz

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