A person has a mass of 70.0 kg on Earth,
what would their mass be on the Moon,
which has 1/6 the gravity of Earth?

Thermal energy is the sum of all the kinetic and potential energy of the particles in an object. The amount of thermal energy in an object increases with its temperature.

Because the constituent parts of a thing are always in motion, they possess kinetic energy. They also have potential energy because they are grouped in particular ways in various objects. Thermal energy refers to the combined kinetic and potential energy of all the particles in an object.

An thing has greater thermal energy when its temperature is higher.

The sum of the kinetic energies of all the atoms and molecules in an object makes up its thermal energy. It is a type of energy that is associated with heat and temperature.

Chemical, nuclear, and electrical reactions inside the body can provide thermal energy. It can also be produced or amplified by outside forces including thermal conduction, radiation, and mechanical motion.

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In a nitrogen molecule, a triple covalent bond connects the two nitrogen atoms. The formation of 3 bonds and 6 electron dots follows.

A non-metal, nitrogen is.The outer shell of an atom of nitrogen contains five electrons.The periodic table's group 5 includes nitrogen.A nitrogen molecule is created when two nitrogen atoms share three electrons and establish three covalent connections (N2).The electrons in the nitrogen molecule are pooled to create covalent bonds. Since there are 3 covalent links between the nitrogen atoms, there will be 6 shared electrons. Each covalent bond is made up of 2 shared electrons.

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carbon tetrachloride has the highest boiling point.

Carbon tetrachloride is also known by many other names (such as tetrachloromethane) by IUPAC name.

The boiling point elevation of a liquid or a compound is defined as the boiling point of a liquid that is that will be higher when some other compound is added. It means that the solution has a higher boiling point than the solvent.

When a nonvolatile solute is added to a pure solvent like water, it results in the highest boiling point elevation.

Carbon tetrachloride, Kb = 5.03°C/m shows the highest boiling point elevation when it is used to make a 0.10 m non - electrolyte solution.

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The volume of 15.8 M concentrated nitric acid required to completely react with 1.00 g of copper would be 0.004 L or 4 mL.

Concentrated nitric acid and copper react to produce hydrogen gas, nitrogen dioxide gas, and copper (II) nitrate according to the following equation:

[tex]Cu + 4HNO_3 --- > Cu(NO_3)_2 + 2H_2 +2NO_2[/tex]

The mole ratio of copper the nitric acid is 1:4.

I g of copper is equivalent to:

mole = mass/molar mass

         = 1/64

          = 0.016 mol

The equivalent mol of the nitric acid would be: 0.016 x 4 = 0.064 mol

Recall that molarity is the ratio of the number of moles of solutes and the volume of the solution in liters.

Thus, volume = mole/molarity.

Volume of 0.064 mol nitric acid = 0.064/15.8

                                                     = 0.004 liters

0.004 liters = 4 mL

Thus, the volume of the concentrated nitric acid that will be required to completely react with 1.00 grams of copper would be 0.004 liters or 4 mL.

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In nuclear stability, there are seven magic numbers which are 2, 8, 20, 28, 50, 82, and 126.

A magic number can be described as a number of nucleons such that they are arranged into shells within the atomic nucleus. Atomic nuclei with a 'magic' number of protons or neutrons are much more stable than other simple nuclei.

The seven most recognized magic numbers are 2, 8, 20, 28, 50, 82, and 126. For protons. the elements helium, oxygen, calcium, tin, nickel, lead, and unbihexium, although 126 is known to be a magic number for neutrons.

Atomic nuclei containing such a magic number of nucleons exhibit a higher binding energy per nucleon.

The magic number shows the number of filled nuclear shells. They tend to recognize the isotopes that are much more stable as compared to other elements and show the energies of each nucleon.

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At the high pressures favor the formation of diamond from graphite because according to the le chatelier principle if we increase the pressure the equilibrium will shifts to the higher density.

The synthetic diamond is formed the graphite at a very high temperature.

graphite ⇄ diamond

the density of the graphite = 2.2 g/cm³

the density of the diamond = 3.9 g/cm³

if we increase the pressure then the equilibrium will shifts to the low volume or the high density. here the density of the diamond is high than the graphite. so, equilibrium shifts towards the diamond. therefore is the condition for the graphite to convert in diamond.

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Silver coins have a small proportion of zinc which on heating come to the surface in the form of brass having yellow color resembling element of gold.

An element is defined as a substance which cannot be broken down further into any other substance. Each element is made up of its own type of atom. Due to this reason all elements are different from one another.

The number of protons in the nucleus is the defining property of an element and is related to the atomic number.All atoms with same atomic number are atoms of same element.

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The reaction stoichiometry can be used to calculate the exact amount of reactant required to react with another element. The limiting reagent is determined by the mole ratio rather than the masses of the reactants.

Stoichiometry is the calculation of products and reactants in a chemical reaction. It is primarily concerned with numbers.

Stoichiometry is a fundamental concept in chemistry that allows us to use balanced chemical equations to calculate the amounts of reactants and products. We use ratios from the balanced equation here. In general, all reactions are determined by one factor: the amount of substance present.

The stoichiometric coefficient or stoichiometric number is the number of molecules involved in the reaction. When you look at any balanced reaction, you will notice that there are an equal number of elements on both sides of the equation. The stoichiometric coefficient is essentially the number that appears in front of atoms, molecules, or ions.

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44.5 kJ/mol Propanol has a boiling point of 82.0°C when its typical boiling point is 97.8°C at 400 Torr.

Hexane's typical boiling point is 342 K. Hexane has a 30.1 kJ/mol molar heat of vaporization. 1.23 atm is the atmospheric pressure.

Propanol typically boils at T1 = 97.8°C = 371.0 K. A pressure of P1 = 1 atm = 760 torr is referred to as "normal." Its boiling point at 400 torr (P2) is T2 = 82.0 °C / 355.2 K. Using the two point form of the Clausius-Clapeyron equation, we can determine the heat of vaporization (Hvap), which results in the heat of vaporization being 44.5 kJ/mol.

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Place the atomic number subscript and mass number superscript to the left of the atomic symbol.

The chemical properties of an atom are determined by its atomic number and are represented by the symbol Z. The total number of nucleons in an atom is the atomic mass number. This value is represented by the symbol A.

Isotopes are members of a family of elements that have the same number of protons and a different number of neutrons. The number of protons in the nucleus determines the atomic number of an element on the periodic table. Isotopes are atoms of the same element that contain the same number of protons but different numbers of neutrons.

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Answer:

0.072 J/kg*K

Specific Heat [[tex]\frac{Joules}{kilogram*Kelvin}[/tex]] = c = [tex]\frac{Q}{m(T_{2}-T_{1})}[/tex]

where Q [J] = Heat, m [kg] = mass, and ΔT [K] = change in temperature

Q = 200 J

m = 10 g

ΔT = 5 °C = 5 °C + 273 = 278 K

Specific Heat = c = (200 J) / (10 g * 278 K) = 0.072 J/kg*K

If the sample is compressed to a volume of 11.4L, the pressure is  1.147 atm.

"Pressure" is defined as the thrust (force) applied to a surface per area. The ratio of force to area is another way to describe it (over which the force is acting).

Formula and Pressure's Unit:

Thrust/Area = Pressure (P)

Pascals (Pa) is the SI unit. 1 Pa = 1N/m2

For instance, it is simpler to hammer a sharp pin than dull pin. This is due to the fact that sharp pin's end has a lower surface area than blunt pin. This causes the pressure to rise.

Types of Pressure:

Calculation:

We can find [tex]P_{2}[/tex] by using the formula for Boyle's law:

[tex]P_{1} V_{1} = P_{2} V_{2}[/tex]

Since we are finding another pressure:

[tex]P_{2} = \frac{P_{1}V_{1}}{V_{2}}[/tex]

From the question we get:

[tex]P_{2} = \frac{(1.03)(12.7 ) }{11.4 }[/tex]

[tex]P_{2} = 1.147[/tex]

Therefore the pressure is 1.147 atm.

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Answer:

nuclear fission

Explanation:

nuclear fission creates the most energy, so its obvious a power plant would use the best option to create said energy.

According to the claim, the substance in question is barium chloride, also known as BaCl₂.

For the purpose of overcoming these unfavorable design patterns, the SOLID tenets were created. Reducing dependencies allows engineers to alter one component of software without affecting others, which is the main objective of the SOLID principles. They are also meant to make designs simpler to comprehend, update, and expand.

A solid is distinguished by its rigidity and tolerance to external forces. A solid substance, unlike a liquid, doesn't quite flow to conform to the form of its containers or, like a gas, expand to cover the entire space.

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The complete question is-

You are presented with a white solid and told that due to carless labeling it is not clear if the substance is barium chloride, lead chloride or zinc chloride. When you transfer the solid to a beaker and add water the solid dissolves to give a clear solution. Next a Na2SO4 (aq) solution is added and a white precipitate forms. What is the identity of the unknown white solid?

a). BaCl₂

b). CaCO₃

c). MgCl₂

The most common type of regenerated fiber, which is derived from cellulose and is mostly plant in origin, is rayon is True.

A natural source of regenerated cellulose, such as wood and other associated agricultural products, is used to create rayon, a semi-synthetic material. Its molecules resemble those of cellulose. Viscose is another name for it. Viscose fibres and films come in a wide variety of types and grades. Some mimic the appearance and feel of organic materials including silk, wool, cotton, and linen. Artificial silk is a common name for the materials that resemble silk.

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Complete Question

The most common type of regenerated fiber, which is derived from cellulose and is mostly plant in origin, is rayon.

True

False

Answer: the image below is the answer

Explanation:

Answer:

Therefore, the correct answer is D: CH3COONA, C6H12O6, and C₂H5OH all exist in aqueous solutions in the form of molecules.

Explanation:

All of the substances listed exist in aqueous solutions in the form of molecules.

Aqueous solutions are solutions in which the solvent is water. Substances in aqueous solutions can exist as molecules, ions, or a combination of both.

C6H12O6, also known as glucose, exists as a molecule in an aqueous solution.

C₂H5OH, also known as ethanol, exists as a molecule in an aqueous solution.

K3PO4, also known as potassium phosphate, exists as ions in an aqueous solution. The potassium cation (K+) and phosphate anion (PO4^3-) are separate ions in solution.

CH3COONa, also known as sodium acetate, exists as ions in an aqueous solution. The sodium cation (Na+) and acetate anion (CH3COO^-) are separate ions in solution.

Answer: In this case, there are a total of 4 atoms (1 boron atom and 3 hydrogen atoms) bonded together in the molecule.

Explanation:  Borane is a chemical compound that contains one boron atom bonded to three hydrogen atoms. The chemical formula for borane is BH3, indicating that it contains one boron atom bonded to three hydrogen atoms. Borane is a molecule, which means it is composed of two or more atoms bonded together chemically. In this case, there are a total of 4 atoms (1 boron atom and 3 hydrogen atoms) bonded together in the molecule.

The 32.9 % of the compound has decomposed after 3.45 minutes in the first order decomposition reaction.

In the first order, For decomposition we use the formula

          A(t) = A0e-kt

    where,

              A0 is the initial amount of decomposed substance at t = 0,

               k is the constant of decay

               t is the time elapsed

              A(t) is the amount after time t.

First order reaction is one in which the rate of reaction is proportional to the concentration of the reactant. It doubling the concentration doubles the reaction rate. A first-order reaction can have one or two reactants as in the case of the decomposition reaction. The percentage of decomposed compound left after a time t is, [A(t)], divided the the initial amount, [A0], time 100, or

            [A(t)] =  A/A0*100

A = A0e-kt

A/A0 = e-0.00299t, [k = 0.00299, divide both sides by A0]

A/A0 = e-0.00299*372, [t = 6.2 min*(60 sec/ 1 min) = 372 sec]

A/A0 = 32.9%

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The [OH-] of the 0.025 M weak acid solution will be equal to the pKA of the acid, 4.615.
What is weak acid solution?
A weak acid solution is a solution that contains an acid that is not completely ionized in water. Weak acids, such as acetic acid, have pH values between 4.5 and 6.0. These acids are not strong enough to completely break apart in water, leaving some of the molecules still intact. Because of this, weak acids form molecules that can react with other molecules, such as bases, in solution.
This is because the equilibrium of the acid dissociation reaction is reached with the same concentration of acid and its conjugate base in solution. The [H3O] will be equal to 0.025 M, as the acid is in dissociation equilibrium with its conjugate base. The pH of the solution can be calculated by taking the negative log of the [H3O], which will be 1.59. The pOH can be calculated by taking the negative log of the [OH-], which will be 4.615.
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According to our analysis, maternal mortality is the most important risk factor for infant mortality, followed by access to water and sanitation facilities.

One of the primary factors for the socioeconomic disparities that exist throughout these countries is the relationship between infant mortality and life expectancy, which results in higher newborn mortality rates and lower life expectancies at birth.

The absence of clean water, poor sanitation, malnutrition, endemic illnesses, inadequate or nonexistent primary health care facilities, and low health care spending are all conditions that are brought on by poverty, which is why infant mortality is clearly a function of poverty.

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Answer:

Calcium has a smaller radius in comparison to Potassium.

Explanation:

When we move down a group, the atomic radius increases, and when we move from left to right in a period, the atomic radius decreases. Since both Potassium and Calcium are in the 4th period, we have to look left to right. Calcium is to the right of Potassium making the radius smaller.

The final concentration of bromide anion should be 0.6530 M.

Concentration of mixture (C) = ( n₁ × C₁ × V₁ + n₂ × C₂ × V₂ ) / (V₁+V₂)

where C₁ = Concentration of 1 component = 0.254 M

          V₁ = volume of 1 component = 35.8 ml

          C₂ =  Concentration of other component = 0.536 M

          V₂ = volume of other component = 12.4 ml

          n₁ = number of particle from 1 molecule of 1st component

              = 2 as 1 molecule of CaBr₂ has 2 atom of Br = 2

         n₂ = number of particle from 1 molecule of 2nd component

               = 2 as 1 molecule of FeBr₂ has 2 atom of Br = 2

Now, put the values in above equation;

C = ( n1 × C1 × V1 + n2 × C2 × V2 ) / (V1+V2)

C = ( 2 × 0.254 × 35.8 + 2 × 0.536 × 12.4 ) / ( 35.8 + 12.4 )

C = ( 18.1864 + 13.2928 ) / ( 48.2 )

C = ( 31.4792 ) / ( 48.2 )

C = 0.6530 M

So, The final concentration of Bromide anion is 0.6530 M.

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If 5.3 g of gallium reactions with 5.3 g of oxygen there's  7.5g gallium oxide can be produced.

The grams of gallium oxide can be calculate as follows:

The balance aquation of reaction gallium and oxygen is

4Ga     +   3O₂     →   2Ga₂O₃

First we should calculate the moles of each compound

Number of moles of Ga  =  5.3 g / 69.7 g/mol   = 0.08 mole

Number of moles of O₂ =  5.3 g / 16  g/mol  = 0.33 mole

According to the balanced  reaction:

4 moles of Ga reacted with 3 moles of O₂

then we used unitary method, so

0.08 moles of Ga will require  0.08 * 3 / 4   = 0.06 moles of O₂

But we knew that there's 0.33 moles of oxygen. This implies that oxygen gas is in excess, and that gallium completely reacted so,

4 moles of Ga produce 2 moles of Ga₂O₃

0.08 moles of Ga will produce  0.08 * 2 / 4   = 0.04 moles of Ga₂O₃

Mass of Ga₂O₃ = number of moles *  molar mass

Molar mass of Ga₂O₃ = 2(69.7)  + 3(16)  = 187.4g/mol

Mass of Ga₂O₃ = 0.04 x 187.4 = 7.5g

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The ratio of metal between cationic [+] atom and nonmetal anionic [-] atom in Na is 1:2 ,The correct option is D

Lewis electron is a very simplified representation of the valence shell electrons in a molecule. It is used to show how the electrons are arranged around individual atoms in a molecule. Electrons are shown as dots or for bonding electrons as a line between the two atoms.

Therefore Lewis dot symbols allow us to predict the number of bonds atoms will form and therefore the stoichiometry of a compound. The Lewis structure of a compound also indicates the presence or absence of lone pairs of electrons.

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The electrical charge of a proton is equal to 1.602 x 10^-19 coulombs (C).

The International System of Units uses this as the reference unit for electric charge (SI). The proton is a subatomic particle with a positive charge that is located in the nucleus of an atom. When compared to the electron, which is a negatively charged particle, its charge is the opposite in sign. Any subatomic particle's charge, whether it be that of a proton or another one, is a fundamental characteristic that cannot be altered.

The magnitude of the charge of the proton, and other subatomic particles, is defined by the electric charge of the electron, which is the elementary charge unit. The magnitude of the charge of the electron is 1.602 x 10^-19 C, and this value is used as the reference for the charge of other particles.

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Answer:

The saturated fatty acids are derived from both animal fats and plant oils. Rich sources of dietary saturated fatty acids include butter fat, meat fat, and tropical oils (palm oil, coconut oil, and palm kernel oil). Saturated fatty acids are straight-chain organic acids with an even number of carbon atoms (Table 2)