Compare and contrast a scientific theory and a scientific law, and include an example of each.

The mass of the asteroid is C. 1.2 x \(10^{12}\) Kg

To find the mass of the other asteroid, we can rearrange the equation for the gravitational force between two objects:

F = (G * m1 * m2) / \(r^{2}\)

where F is the force of gravity, G is the gravitational constant, m1 and m2 are the masses of the two asteroids, and r is the distance between them.

Given that the distance between the asteroids is 75000 m, the force of gravity between them is 1.14 N, and one asteroid has a mass of 8 x \(10^{7}\) kg, we can substitute these values into the equation and solve for the mass of the other asteroid (m2):

1.14 N = (6.67430 × \(10^{-11}\) N \(m^{2}\)/\(Kg^{2}\) * 8 x \(10^{7}\) kg * \(m2\)) / \((75000 m)^{2}\)

Simplifying and solving the equation, we find that the mass of the other asteroid (m2) is approximately 1.2 x \(10^{12}\) kg. Therefore, Option C is correct.

The question was incomplete. find the full content below:

Two asteroids are 75000 m apart one has a mass of 8 x \(10^{7}\) kg if the force of gravity between them is 1.14 what is the mass of the asteroid

A. 3.4 x \(10^{11}\) kg

B. 8.3 x \(10^{12}\) kg

C. 1.2 x \(10^{12}\) kg

D. 1.2 x \(10^{10}\) kg

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Answer:

a. True

Explanation:

Hello there!

In this case, since the dose-response method is crucial concept in toxicology as it exhibits the result of exposures to toxic chemical compounds with changes in body functions or health, this statement is a. True , as this analysis is understood by means of the relationship -the higher the dose, the more severe the response-, and of course, it is based on observed data from controlled experiments in animal, human clinical, or cell studies, in the light of the determination of the toxicity of the analyzed chemical.

Regards!

- Petroleum fraction consisting mostly of \(C_{7}\) and \(C_{8}\) hydrocarbons

- The fraction is also called heavy naphtha

- Boiling in the range 90‒140 °C

- Ligroin is used as a laboratory solvent

- Ligroin it also esed as a motor fuel or as a solvent for fats and oils in dry cleaning

         [] All of these are different characteristics of ligroin​

         [] If you need more let me know  

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

The waves that  has the greatest wavelength is Wavelength shown with 1 wavelength stretched over a long distance.

A wave could be a disturbance or variety that voyages through a medium or space, carrying vitality without transporting matter. Waves can take different shapes and happen totally different sorts of waves, counting mechanical waves and electromagnetic waves.

Mechanical waves require a medium to propagate, meaning they require a substance like water, discuss, or a strong fabric to transmit the wave. Illustrations of mechanical waves incorporate water waves, sound waves, and seismic waves. In these waves, particles of the medium sway or vibrate in a design, exchanging energy from one molecule to another.

Electromagnetic waves, on the other hand, don't require a medium and can travel through vacuum, such as in space. Electromagnetic waves comprise of electric and attractive areas swaying opposite to each other and to the heading of wave engendering. Illustrations of electromagnetic waves incorporate obvious light, radio waves, microwaves, infrared waves, bright waves, X-rays, and gamma beams.

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Answer:

1.7 * 10^14 J

Explanation:

Recall that binding energy = Δmc^2

Δm= mass defect

c = speed of light

Given that;

Δm = 0.001896 kg/mol/1 mol = 0.001896 kg

c=3 * 10^8 m/s

Binding energy = 0.001896 kg (3 * 10^8 m/s)^2

Binding energy = 1.7 * 10^14 J

An example of heterogeneous equilibrium is:

Heterogeneous equilibrium refers to an equilibrium state in a chemical reaction where the reactants and products exist in different physical states or phases. It occurs when substances in different phases, such as solids, liquids, and gases, are involved in a chemical reaction.

Considering the given equations:

The equation I: FeO(s) + CO(g) ⇌ Fe(s) + CO₂(g) represents a heterogeneous equilibrium.

This is because the reactants and products involve different phases (solid and gas). FeO is a solid (s), CO is a gas (g), Fe is a solid (s), and CO₂ is a gas (g). The reaction involves the conversion of a solid and a gas to another solid and a gas, and the equilibrium is established between these different phases.

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Answer:

Below :))

Explanation:

I would suggest having a space/rocket theme, which fits your project.

What you do really depends on how much you want to put into it.

If its a black board, you could draw/make rockets to put on the board, and some planets. You could also make/draw some baking soda and vinegar bottles/cans. From what I have done, I have pictures/writing to put on the board. I suggest priting these if you have them, and putting them around the board. You should probably put theses on first, and then draw/make things to put on the board afterward.

Hope this gives you some ideas, if not though, comment down below and I can help more!

Answer:

it's answer is 2.564M

Explanation:

M= 250/58.5

=2.564M

Answer

c. 60°C

Explanation

From the graph you can move from 110 g, until you reach the KNO3 curve then go down with the line until you reach the temperature

ANSWER

Heterogeneous mixture

EXPLANATION:

Given information

From the above image, we can see that we have three elements named a, b, and c. The elements a and c are attached to each other while element b can move freely.

Recall that, the combination of two or more elements is called a compound.

The above image shows the combination of a compound and an element

Hence, we can say that it is a heterogeneous mixture

Answer:

Wet climates obviously have more water than driers climates. Metals, when subject to water have the tendency to oxidize rust. Therefore, if water is barely present in a climate, then oxidation is also least likely to occur.

Explanation:

Learnt it from reading a book

a)0.185 mol moles of aluminum is this and b)0.555 mol e⁻ of electrons are required and c)The coulombs of electricity needed is 53,628 C and d)The electrolysis process takes around 18.6 hours or 66,960 seconds.

By running a direct alternating energy through an ionic compound in fluid form, electrolysis is the process of breaking down the substance into its constituent parts. Anions are oxidation at the anode while atoms are reduced at the cathode.

a) We may use the molar mass of aluminium to calculate how many moles there are:

Molar mass of aluminum = 26.98 g/mol

Number of moles of aluminum = 5.0 g / 26.98 g/mol = 0.185 mol

b) When molten aluminium chloride is electrolyzed, the following chemical equation is balanced:

2 AlCl3(l) → 2 Al(s) + 3 Cl2(g)

Number of moles of electrons = (6 mol e⁻ / 2 mol Al) × 0.185 mol Al = 0.555 mol e⁻

c) The amount of electric charge that a mole of electrons can carry is known as the Faraday constant (F). It is 96,485 C/mol in value.

We may use the following equation to calculate the number of coulombs of power required for the electrolysis:

Coulombs of electricity = (number of moles of electrons) × (Faraday constant)

Coulombs of electricity = 0.555 mol e^- × 96,485 C/mol = 53,628 C

d)The following equation can be used to determine how long the electrolysis will take:

time (seconds) = (coulombs of electricity) / (current in amperes)

time (seconds) = 53,628 C / 0.80 A = 67,035 seconds

Hence, the electrolysis process takes around 18.6 hours (or 0.78 days).

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Answer:

you can see the empirical formula at the pic

The empirical formula for compound (a) is NiI2, (b) is BaBr2 and (c) is BeS.

Empirical formula of a compound is defined as the simplest whole number ratio of atoms present in a compound.

(a) 1.245 g Ni : 5.381 g I

Mole of Ni ; Mole of I = 1.245/59 : 5.381/127 = 0.02 : 0.04 = 1:2

So the formula is NiI2

(b) 2.677 g Ba : 3.115 g Br

Mole of Ba : Mole of Br = 2.677/137 : 3.115/60 = 0.019 : 0.038

= 0.02 : 0.04 = 1:2

So the formula is BaBr2

(c) 2.128 g Be : 7.557 g S

Mole of Be : Mole of S = 2.128/9 : 7.557/32 = 0.2 : 0.2 = 1:1

So the formula is BeS

Thus, empirical formula for compound (a) is NiI2, (b) is BaBr2 and (c) is BeS.

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Answer:

D- lower central air pressure

The electrical energy can be transformed when we switch on the electrical bulb is light and heat energy. The correct option is B.

Electrical energy is the energy produced when electrons move from one point to another in a tube. The movement is of charged particles. They conduct electricity and constitute a current.

In electrical energy, heat energy is transformed into light energy. This happens because the rods of wire become red-hot and heat is produced.

Thus, the correct option is B. light and heat energy.

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The question is incomplete. Your most probably complete question is given below:

A, sound energy

B, light and heat energy

C. Light and sound energy

D. Chemical and sound energy

Answer:

Infer and form a hypothesis

Answer:

Sodium Chloride has Ionic bond while Hydrogen Chloride has covalent bond.

Explanation:

Na has 11 electrons (2, 8, 1) and need to give away 1 electron to be stable

Cl has 17 electrons ( 2, 8, 7) and needs 1 electron to be stable.

Na transfers 1 electron to CL to form Ionic bond.

While

Hydrogen has 1 electron and shares with Chlorine to be stable.

Covalent bond involves sharing.

Chlorine reacts with sodium to form ionic sodium chloride while chlorine reacts with hydrogen to form covalent hydrogen chloride.

The nature of bonding between atoms depends on their relative difference in electronegativity.

Chemical bonding is the process by which atoms come together to form compounds.

There are different kinds of chemical bonds;

An ionic bond is formed when there is high electronegativity difference between the bonding atoms. Typically, this type of bond is formed when the electronegativity difference is about 2.0 and above.

For a covalent bond, an electronegativity difference of about 0.4 - 1.7 is considered a polar covalent bond. Lower values of electronegativity difference corresponds to a nonpolar bond.

The electronegativity difference between sodium and chlorine is about 2.23. This corresponds to a pure ionic bond. The compound is composed of chlorine and sodium ion pairs alternately located in a crystal lattice as shown in the image attached.

The  electronegativity difference between chlorine and hydrogen is about 0.96. This corresponds to a polar covalent bond. The negative end of the dipole points towards chlorine while the positive end of the dipole points towards hydrogen.

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Answer:

There are 3.13 x 10^24 water molecules in 5.2 moles of water.

This statement is referring to a laboratory experiment in molecular biology or genetics where DNA has been labeled with the fluorescent dye Cy5, which emits a red signal when excited by light. The experiment has revealed that the labeled DNA (in this case, the test DNA) is present along the short arm of chromosome 3. This information can be used to study the location of specific genes or other genetic elements on the chromosome. The use of the reference DNA allows for the comparison of the test DNA to a known and well-characterized reference, which can provide additional information about the identity and location of the test DNA.

Answer:

This labeling information suggests that the test DNA, which was labeled with the dye Cy5 (red), is present along the short arm of chromosome 3 in the reference DNA sample. The bright red signal indicates a high concentration of the labeled test DNA in that region, which could indicate that the test DNA is interacting with or mapping to that specific location on chromosome 3. This information can be used in various genomic studies, such as genome mapping, gene expression analysis, and chromatin analysis, to better understand the distribution and function of specific DNA sequences in the genome.

Explanation:

Just tell me if you kinda confuse


ALLEN

Answer:

i think its the gibbous phase

Explanation:

Answer:

Scientists use the scientific method to make testable explanations and predictions about the world. A scientist asks a question and develops an experiment, or set of experiments, to answer that question. Engineers use the engineering design process to create solutions to problems.

Answer: Under what condition an object having density greater than water will float on water?

If an object is more dense than water it will sink when placed in water, and if it is less dense than water it will float. Density is a characteristic property of a substance and doesn't depend on the amount of substance.

Answer:

The equation for incomplete combustion of propane is: 2 C3H8 + 9 O2 → 4 CO2 + 2 CO + 8 H2O + Heat. If not enough oxygen is present for complete combustion, incomplete combustion occurs. The result of incomplete combustion is, once again, water vapour, carbon dioxide and heat. But it also produces carbon monoxide.

The percentage of water in the compound CaSO₄.6H₂O = 44.26%

Given

Compound CaSO₄. 6H₂O

Required

The percentage of water

Solution

MW CaSO₄. 6H₂O :

= 40 + 32 + 4.16 + 12.1 + 6.16

= 244

MW 6H2O :

= 12.1 + 6.16

= 108

%water = (108 : 244) x 100%

%water = 44.26

The percentage of water in the compound CaSO₄.6H₂O is 44.26%

Since MW CaSO₄. 6H₂O :

= 40 + 32 + 4.16 + 12.1 + 6.16

= 244

Now

MW 6H2O :

= 12.1 + 6.16

= 108

So, percentage of water = (108 : 244) x 100%

= 44.26

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Answer:

The easy way to do this is to assume the number of moles. Make it a number easily divided by both 2 and 3, so say 6. Now you can have numbers to plug in to Graham's Law to find the second rate, then use the second rate to find the time. Does that make sense?

Explanation:

thank you for your help by showing wavelength and the colour of frequency