PLEASE HELP 100 POINTS!!!! AND GIVING BRAINLIEST!!!!!!!!

Why should a movie producer consider filming a new version of The First Men in the Moon? Create a 6-8 slide multimedia presentation to market your idea for this movie to a production company. Rubric Criteria Points Possible 20 (10) 11-19 (6-9) 6-10 (3-5) 0-5 (0-2) Points Earned Ideas & Content Relates Theme of Novel Provides analysis of character Accurate diagram of plot 20 Establishes a theme, relates an analysis of the protagonist, effectively summarizes the plot, and maintains a clear focus throughout. Establishes a theme, identifies some character traits of the protagonist, provides a summary of the plot, and maintains focus throughout. There are a few lapses in focus, but the theme is fairly clear. Presents somewhat of an analysis of character. The plot summary is mostly correct. It is difficult to figure out the theme of the novel. The character analysis is poor or not present. The plot summary does not accurately represent the story. Organization Structure Precision Focus 20 Strong organization; seamless transitions between ideas; Effective and precise content. Organization is appropriate but conventional; Attempt at a focused and precise sales pitch. Attempts at organization, inappropriate use of lists or bullets; content is unfocused and ideas are not developed No clear organizational framework or transitions. Ideas are vague or unfocused Voice Personality Sense of audience 20 Strong awareness of audience in the design. Students can clearly explain why they felt the vocabulary, audio and graphics chosen fit the target audience. Some awareness of audience in the design. Students can partially explain why they felt the vocabulary, audio and graphics chosen fit the target audience. Some awareness of audience in the design. Students find it difficult to explain how the vocabulary, audio and graphics chosen fit the target audience. Limited awareness of the needs and interests of the target audience. Images and Music Relevance to theme Effectiveness Imagery 10 Images and music stir a rich emotional res

NiCl₃ is the formula of the ionic compound nickel(III) chloride

We know the valency of the Nickel (Ni) is +3 and the valency of Chlorine (Cl) is -1. Now for being a compound it needs to be neutral.

So, we have to take 3 molecules of Chlorine to neutralise the charge of one molecule of Nickel, which means the formula will be NiCl₃.

So, the equation of formation will be [tex]Ni+3Cl \rightarrow NiCl_3[/tex]

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Answer:

it dosent have gravity bc it's fallen

Steel is coated with zinc to prevent corrosion in two different ways: By creating a barrier, they stop oxygen and moisture from getting to the steel surface. Cathodic protection is provided at scratches.

Zinc is chemically active and rapidly alloys with other metals. When exposed to air, it forms a thin layer of gray oxide (patina), which prevents the metal from corroding further due to deeper oxidation. Corrosion resistance is a crucial quality for the usage of the metal.

Zinc is used to prevent corrosion because it is more reactive than iron and when oxygen in the air interacts with the surface of zinc, a highly dense and impenetrable layer of zinc oxide forms. This physical barrier shields the zinc from corrosion.

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Silver is known in the chemistry world as a noble metal which means it is resistant to corrosion, but not completely.

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Heat change, ΔH, required to change 52.2 grams of liquid water into steam from room temperature (25 Celsius) to 115 Celsius is 135915.228 J.

The heat change required to change 52.2 grams of liquid water into steam from room temperature (25 Celsius) to 115 Celsius is determined as follows:

Heat change required, ΔH = ΔH₁ + ΔH₂ + ΔH₃

ΔH₁ is heat required to change liquid water at 25°C to water at 100°C

ΔH₁ = mass * specific heat capacity * temperature change

specific heat capacity of water = 4.184 J/g/K

ΔH₁ = 52.2 * 4.184 * (100 - 25)

ΔH₁ = 16380.36 J

ΔH₂ is the heat required to convert water at 100°C to steam at 100°C

ΔH₂ = mass * latent heat of vaporization of water

latent heat of vaporization of water = 2260 J/g

ΔH₂ = 52.2 * 2260

ΔH₂ = 117972 J

ΔH₃ is the heat required to change steam at 100°C to water at 115°C

ΔH₁ = mass * specific heat capacity * temperature change

specific heat capacity of steam = 1.996 J/g/K

ΔH₁ = 52.2 * 1.996 * (115 - 100)

ΔH₁ = 1562.868 J

Heat change required, ΔH = 16380.36 J + 117972 J + 1562.868 J

Heat change required, ΔH = 135915.228 J

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In this scenario, the independent variable is the method of plowing the fields. This is the variable that the farmer is intentionally changing between the two fields, while all other variables are being held constant.

The independent variable is the factor that the researcher or experimenter manipulates in order to study its effect on the dependent variable. In this case, the dependent variable would be the outcome of the experiment, such as the yield of the crops or the health of the plants. By changing only one variable (the method of plowing) and keeping all other variables the same, the farmer can more accurately determine the effect of the plowing on the dependent variable.

The total heat (in kj) need to convert 12.00 g of ice at -5.00 °C to liquid water at 0.500 °C is 4.16 kJ.

1) The ice from -5.00 °C to 0 ° C

the heat capacity is given as :

q1 = mc ΔT

q1 = 12 × 2.09 × ( 0 - (-5))

q1 = 125.4 J

2) the ice at 0 ° C to water at 0 ° C

q2 =  n  ΔHfussion

q2 = (12 g / 18 g / mol) × 6.02 kJ/mol

q2 = 4003.3 J

3) liquid from 0 °C TO 0.5 °C

q3 = mc ΔT

q3 = 12 × 4.21 ( 5 - 0)

q3 = 25.26 J

the total heat is given as = q1 + q2 + q3

                                          = 125.5 + 4003.3 + 25.26

                                           = 4160 J = 4.16 kJ

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16.01  grams of oxygen must have reacted .

Calculation :

Reaction :      2Cu + O₂  ->  2CuO

Theoritical moles of   Cu : O₂  = 2 : 1

Moles of Cu = mass/molar mass = 63.6/63.546 = 1.001 mol

Moles of O₂  = mass/molar mass  = 71.6/32.0 = 2.238 mol

Experimental of Cu  : O₂   =   1.001  :  2.238   =   0.4  : 1.0

Excess reactant is O₂

Limiting reactant is Cu

Moles of O₂ reacted = 0.5*moles of Cu

moles of O₂ reacted = 0.5 x 1.001  = 0.5004 mol

mass of O₂ reacted  =  moles x molar mass  =  0.5004 x 32.00 = 16.01 g

mass of O₂ reacted is  16.01 g

A chemical reaction is the process of chemical transformation of one group of chemicals into another group.  Classical chemical reactions involve changes that affect only the position of electrons in forming and breaking chemical bonds between atoms, with no changes in the nucleus (no changes in the elements present) and many If , it can be described by a chemical equation. Nuclear chemistry is a subfield of chemistry that deals with chemical reactions of unstable radioactive elements in which both electronic and nuclear changes can occur.

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Answer: To determine how many grams of hydrazine are needed to produce 96.0 grams of water, we can use the mole ratio between hydrazine and water in the chemical equation.

First, we need to convert the number of grams of water to moles. We can do this using the molar mass of water, which is 18.0 grams/mole:

96.0 g H2O / 18.0 g/mol = 5.33 moles H2O

Next, we can use the mole ratio between hydrazine and water in the chemical equation to determine the number of moles of hydrazine that would be needed to produce 5.33 moles of water:

1 mole N2H4 / 2 moles H2O = 0.5 mole N2H4

Finally, we can use the molar mass of hydrazine (32.0 grams/mole) to convert the number of moles of hydrazine to grams:

0.5 mole N2H4 * 32.0 g/mol = 16.0 grams N2H4

Therefore, 16.0 grams of hydrazine are needed to produce 96.0 grams of water.

Specific heat is used to explain why different substances changes the temperature at different rate.

Temperature is a physical quantity which is expressed as quantitatively the perceptions of the coldness and hotness. Temperature is measured with a thermometer.

It is defined as the amount of heat which is used to require to increase the temperature by 1°C.

The SI unit thorough which it is measured is J/ g/ °C.

Let's take an example of specific heat of water which is 4.184J/ g/ °C.

Therefore, specific heat is used to explain why different substances changes the temperature at different rate.

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Interactium has a relative atomic mass of 289.42 amu.

The total of the relative atomic masses of the atoms in the formula is the relative formula mass of a material made up of molecules. M r is the abbreviation for the relative formula mass. Determine how many atoms of each element there are in the chemical formula to determine the M r for a compound.

As a percentage of the reference value, the relative difference expresses the magnitude of the absolute difference: Reference value is the difference between the two values being compared (relative difference = absolute difference reference value). A fraction is produced via the relative difference formula.

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Answer:

Salt°37Water°Solution.

Explanation:

It will be snow because H2o + Car36° - 47° = Snow because water + salt will dissolve into snow. The metal and salt in solution will be salt water. H2° + Car36° - 47° = Salt°37Water°Solution.

The total molar concentration of all ions in 0.0100 M solutions:

a. 0.0100 M KCl = 0.0200 M ions

b. 0.0100 M [tex]CuSO_{4}[/tex] = 0.0200 M ions

c. 0.0100 M  [tex]CaCl_{2}[/tex]  = 0.0300 ions

When [tex]CaCl_{2}[/tex] аnd KCl аre dissolved in the sаme solution, the [tex]Cl^{-}[/tex] ions аre common to both sаlts. In а system contаining [tex]CaCl_{2}[/tex] аnd KCl, the [tex]Cl^{-}[/tex] ions аre common ions.

Now, the total molar concentration is

KCl = 0.0100 + 0.0100

KCl = 0.0200 M ions

[tex]CuSO_{4}[/tex] = 0.0100 + 0.0100

[tex]CuSO_{4}[/tex] = 0.0200 M ions

[tex]CaCl_{2}[/tex] = 0.0100 + 2 (0.01.00)

[tex]CaCl_{2}[/tex] = 0.0300 M ions

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Answer:

Tin and carbon are both in the same family on the periodic table because they have similar atomic structures. Both are in group 14 of the periodic table, which means they have four valence electrons in their outermost energy level. However, they are classified as different types of elements because of their different properties.

Tin is a metal because it is a good conductor of heat and electricity, has a shiny, metallic appearance, and is malleable and ductile, meaning it can be easily shaped and molded. Carbon, on the other hand, is a nonmetal because it is a poor conductor of heat and electricity, is not shiny, and is not malleable or ductile.

One of the main factors that determine whether an element is a metal or a nonmetal is its ability to conduct heat and electricity. Metals are generally good conductors, while nonmetals are generally poor conductors. The position of an element on the periodic table can give some indication of its conductive properties, but it is not the only factor.

The missing component is Cl₂.

The missing component is CO₂ + 2H₂O.

1. The following can be used to present the reaction:

? + 2NaBr → 2NaCl + Br₂

Both 2 Na and 2 Br are present on the reactant side, whereas 2 Na, 2 Br, and 2 Cl are present on the product side.

So the missing component is Cl₂.

2. The following is a presentation of the possible reaction;

CH₄ + 2O₂ → ?

The elements in the reactant side of the reaction are 1 Carbon, 4 hydrogen and 4 oxygen.

The elements in the product side are missing.

Therefore;

The the missing elements in the product are, 1 Carbon, 4 hydrogen and 4 oxygen. which gives;

The missing component = CO₂ + 2H₂O.

So, the missing components for reaction 1 is Cl₂ and for reaction 2 is CO₂ + 2H₂O.

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The equation of the form of isotope is M(n) = (1 - 15%)ⁿ M grams. Where M is the initial mass of an isotope.

If the initial mass of an isotope is M grams and every second it loses 15%, it means the remaining of an isotope

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The melting point of ice of common salt that is compound of NaCl is -2°C due to freezing point depression.

Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.

Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.They are:

1)Molecular compounds where in atoms are joined by covalent bonds.

2) ionic compounds where atoms are joined by ionic bond.

3)Inter-metallic compounds where atoms are held by metallic bonds

4) co-ordination complexes where atoms are held by co-ordinate bonds.

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Answer:

[tex] \huge{ \boxed{219.13 \: g}}[/tex]

Explanation:

To find the mass of the substance given it's density and volume, we use the formula;

[tex] \bold{density( \rho) = \frac{mass}{volume} \\ } [/tex]

Since the mass is the unknown variable in the question, we make mass the subject and solve for it.

mass = density × volume

From the question

[tex]mass = 0.8765 \times 250 = 219.125[/tex]

We have the final answer as

6.973x 10^-2 M is the concentration of sulfuric acid.A chemical reaction known as neutralization occurs when an acid and a base quantitatively react with one another.

The pH of the neutralized solution is determined by the acidity of the reactant. In a neutralization process, an acid and a base combine to create salt and water.

The response to this issue is as follows:

H2SO4 + 2 NaOH = Na2SO4 + 2 H2O

To ascertain the molar ratio of the reactants, we require this reaction. The ratio is thus 1 mol H2SO4 to 2 mol NaOH.

This is the following method of calculation:

0.03442x 0.103x 1mol H2SO4/2molNaOHX1/0.0025=6.973X10^-2

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Only one solute particles are present in an aqueous solution of CH₃COCH₃.

What is electrolytes?

When dissolved in water, electrolytes are materials that have a natural electrical charge that is either positive or negative. In addition to other things, they support your body's ability to control chemical processes and keep the fluid levels inside and outside of your cells in equilibrium.

Electrolytes include substances like sodium, potassium, calcium, magnesium, chloride, and phosphate.

The electrolyte category also includes water, which puts it in the same group as necessary minerals.

Therefore, Only one solute particles are present in an aqueous solution of CH₃COCH₃.

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Good Conductors ;

copper, gold, aluminum, steel

Poor Conductors ;

glass ,rubber, wood, plastic,

Steel and bronze have the lowest heat conductivity, while metals like copper and aluminum have the highest. Copper is a good material for heat exchangers because it is a good heat conductor. Examples of effective electrical and heat conductors are gold, silver, and iron.

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The empirical formula of nitrogen chloride is NCl₃ (NCl3)

m of nitrogen = 0.77mg

m of nitrogen chloride = 6.61mg

so the m of chlorine will be

m of chlorine = m of nitrogen chloride - m of nitrogen

m of chlorine = 6.61 - 0.77

                       =5.84mg

so the number of moles can be found as

n = [tex]\frac{mass}{molar mass}[/tex]

number of moles of chlorine can be found as follows;

n = 5.84× 10⁻³ / 35.45 [tex]\frac{g}{mol}[/tex]

n = 1.65 × 10⁻⁴

number of moles of nitrogen can be found as;

n = 0.77 × 10⁻³ / 14.01  [tex]\frac{g}{mol}[/tex]

n = 5.5 × 10⁻⁵ mol

Empirical formula can be found as;

moles of Cl : moles of N

1.65 × 10⁻⁴ : 5.5 × 10⁻⁵

Now divide the ratio with the smallest number which is 5.5 × 10⁻⁵ and we get the following ratios.

3  mol of Cl :1 mol of N

3 : 1

So the empirical formula of nitrogen chloride will e NCl3

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Answer: A person pushing a barrel is an example of applied force.

Explanation:

Answer: Erwin Schrödinger showed that the quantization of the hydrogen atom's energy levels that appeared in Niels Bohr's atomic model could be calculated from the Schrödinger equation,

Explanation:

The yearly dose is0.03143 Gy

Given that:

Mass of the human body = 70 kg

Mass of potassium in the human body = 140 g

chemical atomic mass of potassium = 39.1

From Avogadro's number, we know that 1 atomic mass of an element contains 6.023 × 10^(23) atoms

Thus,

140g of potassium will contain;

(140 × 6.023 × 10^(23))/(39.1) = 2.1566 × 10^(24) atoms

We are told that the natural abundance of one of the 40K isotopes is 0.012%.

Thus;

Number of atoms of this isotope = 0.012% × 6.023 × 10^(23) = 7.2276 × 10^(19) K-40 atoms

Formula for activity of K-40 is given as;

Activity = (0.693 × number of K-40 atoms)/half life

Activity = (0.693 × 7.2276 × 10^(19))/1300000000

Activity = 3.85 × 10^(10)

We are told that each decay deposits 1.0 MeV of energy into the body.

Thus;

Total energy absorbed by the body in a year = 3.85 × 10^(10) × 1 × 365 = 1405.25 × 10^(10) MeV

Now, 1 MeV = 1.602 × 10^(-13) joules

Thus;

Total energy absorbed by the body in a year = 1405.25 × 10^(10) × 1.602 × 10^(-13) = 2.25 J

1 Gy = 1 J/kg

Thus;

Yearly dose = 2.25/70 = 0.03143 Gy

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Calcium carbonate, which is then deposited on the seafloor, is left behind as ocean water evaporates, forming limestone. Sedimentary rock is the kind of rock that can be created in this manner.

Inorganic sedimentary rocks formed from the land have a fragmented or clastic structure. Rocks with an inorganic composition that are sedimentary are formed on land.

Conglomerate, brescia, and sandstone are a few types of inorganic sedimentary rocks that are formed from the land.

The primary source of the substance lime is limestone, a form of carbonate sedimentary rock composed primarily of calcium carbonate (CaCO3). The minerals calcite and aragonite, which are various crystal forms of CaCO3, make up the majority of its material. When these minerals separate from water that has dissolved calcium, limestone is created.

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Large and complex molecules like DNA and protein were not present, but Miller-Urey experiment showed that some of the building blocks for these molecules could be formed from simple compounds.

Stanley Miller and Harold Urey did an experiment to test Oparin and Haldane’s ideas and they found that organic molecules could be produced under reducing conditions thought to resemble that of early Earth.

Miller and Urey built a system having a heated pool of water and a mixture of gases that were abundant in the atmosphere of early earth. To simulate the lightning that might have provided energy for chemical reactions in  early atmosphere of Earth, Miller and Urey sent sparks of electricity through their experiment. After letting this experiment run for a week, Miller and Urey found that different types of amino acids, sugars, lipids and other organic molecules had formed.

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When 0.1 mol of a is mixed with 0.1 mol of b in the reaction chamber and the reaction runs to completion, the 1500 ml of water in the calorimeter heats up from 24.2°C to 25.9°C.  ΔH for the reaction in kJ/mol is 106.59 kJ/mol

The ΔH for the reaction is given as :

ΔH = m c ΔT

where,

mass, m = 1500 g ( density of water is 1 g / mL)

c = specific heat =  4.18 J/ g  °C

ΔT = 25.9°C - 24.2°C = 1.7 °C

ΔH = 1500 × 4.18 × 1.7

ΔH  = 10659 J

ΔH  = 10.659 kJ

mole = 0.1 mol

ΔH  = 10.659 / 0.1

ΔH  = 106.59 kJ/mol

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