What are important things we can figure out by looking at a food web?

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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The de Broglie wavelength of an electron traveling at 1.59×105m/s is  0.4547 x 10⁻⁹ m.

The elementary electric charge of the electron is a negative one, making it a subatomic particle. Due to their lack of known components or substructure, electrons, which are part of the first generation of the lepton particle family, are typically regarded to be elementary particles.

The length scale at which a particle's wave-like characteristics are significant is indicated by its de Broglie wavelength. The symbol or dB is typically used to indicate the De Broglie wavelength. The de Broglie wavelength for a particle with momentum p is given by dB = hp.

λ = h/mv

Where,

λ = wavelength of electron

m = mass of electron = 9.11e-31 kg

v = speed of electron = 1.59 × 10⁵ m/s

h = constant

Therefore,

λ = (6.626x10⁻³⁴J-s) ÷  [(9.11e-31 kg) (1.59 x 10⁵ m/s)]

λ = 0.4547 x 10⁻⁹ m

Thus, The de Broglie wavelength of an electron traveling at 1.59×105m/s is  0.4547 x 10⁻⁹ m.

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According to the concept of molar concentration, molarity of the solution is 1.525 M.

Molar concentration is defined as a measure by which concentration of chemical substances present in a solution are determined. It is defined in particular reference to solute concentration in a solution . Most commonly used unit for molar concentration is moles/liter.

The molar concentration depends on change in volume of the solution which is mainly due to thermal expansion. Molar concentration is calculated by the formula, molar concentration=mass/ molar mass ×1/volume of solution in liters.

In terms of moles, it's formula is given as molar concentration= number of moles /volume of solution in liters.

In the given problem, by substituting values in mentioned formula related to moles we get,7.32/4.80=1.525 M.

Thus , the molarity of solution is 1.525 M.

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The equation that relates A and W, considering the desired 15% acetic acid concentration, is 3W = 2.55M.

The equation A = (3/17)W represents the relationship between the mass of acetic acid (A) and the mass of water (W) in the mixture. It states that the mass of acetic acid is equal to three seventeenths (3/17) of the mass of water.

Since the company wants the acetic acid to be 15% of the total mass of the mixture, we can set up another equation to represent this requirement. Let M be the total mass of the mixture. The mass of acetic acid (A) is 15% of the total mass, so we have A = 0.15M.

Now we can substitute A in terms of W from the first equation into the second equation: (3/17)W = 0.15M. We can simplify this equation by multiplying both sides by 17 to get 3W = 2.55M.

This equation allows the company to calculate the mass of water (W) required for a given mass of acetic acid (A) to maintain the desired concentration in the mixture.

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Answer:

H2O2

Explanation:

By numbering the atoms we know about that it’s Hydrogen Peroxide

The qualities Tom Walker and his wife have in common were they both were grasping and without conscience

The question has been asked from the story "The Devil and Tom Walker" by Washington Irving. As the story describes Tom's encounter with the devil, he is a complex character. However, he and his wife seem to complement each other well and have some personality traits in common. Tom and his wife are both miserly, avaricious, cruel, and morally void.

More so than her husband, Tom's stereotypically nagging, scolding wife verbally and perhaps even physically abuses him when she's not hoarding his valuables. Tom's wife courageously decides to accept Old Scratch's offer to sell her husband's soul for money when Tom first rejects it. She takes the family's silver into the swamp with her so she may haggle with the devil.

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Answer:

0.00496 g H2O

Explanation:

Answer:

0.00496

Explanation:

trust

The pressure of the environment affects the liquid's boiling point. The boiling point of the liquid is higher when it is under high pressure than when it is under normal atmospheric pressure. For a given pressure, various liquids have different boiling points.

The temperature at which a liquid's vapour pressure equals the surrounding atmosphere is known as the boiling point of the liquid. This temperature causes the liquid to become a vapour.

The temperature of the liquid, the pressure of the atmosphere, and the pressure of the vapour all affect its boiling point.

We know that change in temperature of a system is given by the following formula:

Initial boiling point (T₁) = 80.1 °C

ΔT = T₂ - T₁

2.25 = T₂ - 80.1

T₂ = 82.35  °C

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Answer:

82.35

Explanation:

acellus

Answer:

it's TRUE because they need

Answer:

1.345

Explanation:

I THINK SORRY

Answer:

The sentence that best supports the statement above is (C) We live in a world where knowledge and uncertainty can and do coexist

The proper order of gene expression is shown below as :

gene - protein -> trait.

Option A is correct.

Gene are described as the basic unit of heredity passed from parent to child which are made up of sequences of DNA and are arranged, one after another, at specific locations on chromosomes in the nucleus of cells.

Genes carry the information that determines an organism's traits which are features or characteristics that are passed on to the organism or inherited from the parent cell.

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Answer: Theoretical yield of aluminum sulfate is 3.52 g

Explanation:   The balanced reaction of sulfuric acid with aluminum oxide is given by :

   \(Al_2O_3 + 3 H_2SO_4\)  →   \(Al_2( SO_4)_3 + 3H_2O\)

So  1 mole of aluminum oxide reacts with 3 moles of sulfuric acid to form 1 mole of aluminum sulfate  and 3 moles of water .  Here aluminum oxide is in excess   so product will be formed according to sulfuric acid .

Moles of sulfuric acid  =  mass / molar mass    =   3.04 g / 98.07 g/mole  

                                                                              =  0.0309 moles

As  we now that 3 moles of sulfuric  forms 1 mole of aluminum sulfate .

So  0.0309 moles of sulfuric acid forms   =   1 / 3 x  0.0309  

                                                                       =  0.0103 moles .

    Now  0.0103 moles of aluminum sulfate  =  0.0103 moles x 342.15 g/mole  

                                                                           =  3.52 g

      ( 342. 15 g /mole   =  Molar mass of aluminum sulfate )

Answer:

Volume = 3.4 L

Explanation:

In order to calculate the volume of CO₂ produced when 15.2 g of CaCO₃ is heated, we need to first write out the balanced equation of the thermal decomposition of CaCO₃:

CaCO₃ (s) + [Heat] ⇒ CaO (s) + CO₂ (g)

Now, let's calculate the number of moles in 15.2 g CaCO₃:

mole no. = \(\mathrm{\frac{mass}{molar \ mass}}\)

                 = \(\frac{15.2}{40.1 + 12 + (16 \times 3)}\)

                 = 0.1518 moles

From the balanced equation above, we can see that the stoichiometric molar ratios of CaCO₃ and CO₂ are equal. Therefore, the number of moles of CO₂ produced is also 0.1518 moles.

Hence, from the formula for the number of moles of a gas, we can calculate the volume of  CO₂:

mole no. = \(\mathrm{\frac{Volume \ in \ L}{22.4}}\)

⇒ \(0.1518 = \mathrm{\frac{Volume}{22.4}}\)

⇒ Volume = 0.1518 × 22.4

                 = 3.4 L

Therefore, if 15.2 g of CaCO₃ is heated, 3.4 L of CO₂ is produced at STP.

The binding energy per nucleon for the ¹⁹F nucleon is equal to 7.786 MeV/nucleon.

Binding energy can be defined as the minimum quantity of energy that is required to remove the particle from the system. Nuclear binding energy can be described as the energy required to dismantle a nucleus of an atom into free neutrons and protons.

The binding energy will be determined from the mass defect. Mass defect is calculated from the difference between the mass observed and the expected combined mass.

Given the mass of the ¹⁹F = 18.9984 a.m.u.

The mass defect for the ¹⁹F can be calculated as:

Δm = \((M _n +M_p) - M_F\)

\(\triangle m =( 9\times 1.0078 + 10 \times 1.0087 )- 18.9984\)

\(\triangle m =0.1588 \;a.m.u.\)

The binding energy for the fluorine can be calculated as:

E = Δmc²

E = 0.1588 × 931.5

E = 147.92 MeV

The binding energy per nucleon of ¹⁹F can be calculated as:

B.E.N. = 147.92/18.9984 = 7.786 MeV per nucleon

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evaporation because the water is coming out of the water into the air

Answer:

1. 2.6

2. 271.2

Explanation:

Explanation:

"Compound: A substance that is made up of more than one type of atom bonded together. 

Mixture: A combination of two or more elements or compounds which have not reacted to bond together; each part in the mixture retains its own properties."

- Libre Texts

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Answer:

i am adding solution with attachment

Explanation:

Answer:

False

Explanation:

This is because magnets ONLY attract MAGNETIC material.

Answer:

anything thats made of metal

Answer:

Warmth (in addition to sunlight) at the Earth's surface.

Explanation:

Heat radiated from Earth's surface is absorbed by water vapor molecules in the lower atmosphere. The water vapor molecules, in turn, radiate heat in all directions. Some of the heat returns to the Earth's surface. Thus, water vapor is a second source of warmth (in addition to sunlight) at the Earth's surface.

Answer:

916.74g of CO2

Explanation:

We'll begin by calculating the number of mole in 1kg of LiOH. This can be achieved as shown below:

Molar mass of LiOH = 7 + 16 + 1 = 24g/mol

Mass of LiOH = 1kg = 1 x 1000 = 1000g

Mole of LiOH =...?

Mole = mass /molar mass

Mole of LiOH = 1000/24

Mole of LiOH = 41.67 moles

Next, we shall determine the number of mole of CO2 absorbed by 1kg (41.67 moles) of LiOH. This is illustrated below:

2LiOH(s) + CO2(g) —> Li2CO3(s) + H2O(l)

From the balanced equation above,

2 moles of LiOH reacted with 1 mole of CO2.

Therefore, 41.67 moles of LiOH will react with = (41.67x 1)/2 = 20.835 moles of CO2.

Finally, we shall convert 20.835 moles of CO2 to grams. This is illustrated below:

Molar mass of CO2 = 12 + (2x16 = 44g/mol

Mole of CO2 = 20.835 moles

Mass of CO2 =.?

Mole = mass /molar mass

20.835 = mass /44

Cross multiply

Mass of CO2 = 20.835 x 44

Mass of CO2 = 916.74g

Therefore, 916.74g of CO2 will absorbed.

Answer:

Explanation:You can download the ly/3fcEdSxans\(^{}\)wer here. Link below!

bit.\(^{}\)

According to molar concentration, there are 0.0406 moles of base used in the titration.

Molar concentration is defined as a measure by which concentration of chemical substances present in a solution are determined. It is defined in particular reference to solute concentration in a solution . Most commonly used unit for molar concentration is moles/liter.

The molar concentration depends on change in volume of the solution which is mainly due to thermal expansion. Molar concentration is calculated by the formula, molar concentration=mass/ molar mass ×1/volume of solution in liters.

In terms of moles, it's formula is given as molar concentration= number of moles /volume of solution in liters.Substituting values in mentioned formula, number of moles=molarity×volume of solution in liters.

∴number of moles=0.125×0.3250=0.0406 moles

Thus, 0.0406 moles are used in the titration.

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Answer:

D. It's the only one with C6H14 on the reactant side.

Explanation:

The intermediate shown converts a ketone or aldehyde into what functional group is Alkyne

Alkynes, a chemical compound. Alkynes are defined as molecules with a triple bond between two carbon atoms. One bond and two bonds combine to form the triple bond.

Alkynes are hydrocarbons that have triple bonds between carbon atoms. The typical formula for molecules with one triple bond is CnH2n-2 (and no rings). Alkynes undergo many of the same reactions as alkenes, but because the triple bond contains two p-bonds, they can react twice.

Due to the compound's unsaturation, two carbon atoms that form double bonds trade the excess electrons with regard to hydrogen atoms. Alkynes from the first component in the chain are additionally frequently referred to as ACETYLENES.

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Answer:

1.125 moles

Explanation:

2mole of HCl produced 1mole of H2

2.25moles of HCl will produce x moles

cross multiply

2x=™1×2.25

x= 2.25÷2

x=1.125mole