Choose the object which will have the most momentum.

A baseball with a mass of 150 g and a soccer ball with a mass of 450 g are both thrown with a force of 5 m/s.

A: baseball

B:Soccer ball

Answers

Answer 1

The momentum of a soccer ball will be greater than the momentum of a baseball.

What is momentum?

The momentum of an object can be defined as the function of the mass of the object and its velocity. Momentum (p) can be measured as the kinetic energy of the object and is the multiplication of mass (m) and velocity (v).

The mathematical equation to determine the momentum of an object is equal to:

p = m×v

The momentum is the conserved quantity and will be zero if the object is steady and its velocity of an object is zero.

Given, the mass of the baseball, m = 150g = 0.15 Kg

The velocity of the baseball, v  = 5 m/s

The momentum of the baseball will be equal to :

p = 0.15 ×5

p = 0.75 Kg.m/s

The mass of the soccer ball, m = 450g = 0.45 Kg

The velocity of the soccer ball, v  = 5 m/s

The momentum of the soccer ball will be equal to :

p = 0.45 ×5

p = 2.25 Kg.m/s

Therefore, the momentum of the soccer ball is greater.

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Related Questions

which properties of a system would determine whether vacancy or interstitial diffusion is more likely?

Answers

The size of the particles decides whether vacancy or interstitial diffusion is more likely.

In vacancy diffusion, the atoms moves in a particular direction and the vacancies are filled and new vacancies are created on the places of the atoms.

While in Interstitial diffusion, the atoms moves inside the lattice of the structure of the crystals.

Interstitial diffusion is faster than vacancy diffusion because it is easier to move inside the lattice, and if the size of the atom is small, it will prefer interstitial diffusion over vacancy diffusion. So, smaller the size of the atoms, faster is the rate of interstitial diffusion.

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Balance the equation:

H3PO4 + (NH4)2MoO4+ HNO3 = (NH4)3PO4*12MoO3 + NH4NO3 = H2O

Answers

Balance the equation :

8H₃PO₄  +   24(NH₄)₂MoO₄  +   24HNO₃  ----->  8(NH₄)₃PO₄×24MoO₃  +                                                                                  

                                                                                    24NH₄NO₃+ 24H₂O

The given reaction :

H₃PO₄  +   (NH₄)₂MoO₄  +   HNO₃  ----->  (NH₄)₃PO₄×12MoO₃  +                                                                                  

                                                                                    NH₄NO₃+ H₂O

now sperate the reactant and product and count the no. of each element

Reactant                                    Product

H - 4                                             NH₄ - 4

PO₄ - 1                                          PO₄ - 1

NH₄ - 2                                         Mo - 12

Mo - 1                                            O - 4

O - 4                                             NO₃ - 1

NO₃ - 1                                          H - 2

compare the coefficient ,

multiply 12 to NH₄MoO₄ We get

H₃PO₄  +   12(NH₄)₂MoO₄  +   HNO₃  ----->  (NH₄)₃PO₄×12MoO₃  +                                                                                  

                                                                                    NH₄NO₃+ H₂O

now, we have 24 NH₄ on the left side and 3 on right side, multiply 8 we get

H₃PO₄  +   12(NH₄)₂MoO₄  +   HNO₃  ----->  8(NH₄)₃PO₄×12MoO₃  +                                                                                  

                                                                                    NH₄NO₃+ H₂O

now look at PO₄ , we have 1 on left side and 8 on right side , multiply 8 in H₃PO₄, and compare coefficient, we get

8H₃PO₄  +   24(NH₄)₂MoO₄  +   24HNO₃  ----->  8(NH₄)₃PO₄×12MoO₃  +                                                                                  

                                                                                    24NH₄NO₃+ 24H₂O

now compare the coefficient , the equation is now balance

Thus, Balance the equation :

8H₃PO₄  +   24(NH₄)₂MoO₄  +   24HNO₃  ----->  8(NH₄)₃PO₄×24MoO₃  +                                                                                  

                                                                                    24NH₄NO₃+ 24H₂O

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I need help with this science question

Answers

Answer:

c Draw Ernest Rutherford atomic model

Explanation:

How many moles are in 35 grams of NaCl

Answers

The 0.59  moles of NaCl are present in 35grams of NaCl.

What do you understand by moles?

Chemists employ the mole, as a very significant unit of measurement.

Given:

The given mass of NaCl = 35 gram

The molar mass of NaCl = 58.44 g/mol

By applying the mole's formula = moles = Given mass/molar mass

Moles = 35/58.44 = 0.59 moles

Hence, the answer is 0.59 moles of NaCl

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George is trying to move a heavy bookshelf across the classroom. He pushes on the bookshelf with a force of 57 N to the right Friction is resisting his movement with a force of 78 N. The bookshelf does not move. A friend comes to help George. The friend pushes the bookshelf in the same direction as George with a force of 25 N. What will happen to the bookshelf?

Answers

The book shelf will move to the right with a force of 4 newton when george is trying to move a heavy bookshelf across the classroom.

What is force and how the bookshelf is calculated out to move to the right with 4 N ?Force is a newtonian quantity that is it is discovered by Newton and it represents the product of mass and acceleration.Here in this question is given George pushed the bookshelf with a force of 57 N to the right.The resistive frictional force is 78 N and the book shelf did not move.The total force would be 57 + 25 = 82 N , and then substracting it by friction force will give 82N - 78 N = 4N.So the bookshelf will move to the right with a force of 4 N .

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discuss the relative permeability of the membrane to na and k in a resting neuron

Answers

A resting neuron is 4-5 times more permeable to potassium ions i.e K+ as there is a large number of open channels for the passage of ions.

At a normal resting period, the membrane is highly permeable to potassium ions (K+) because sodium ions are expelled out from the cells and potassium ions are forced inward the cell.

At this moment, the sodium-potassium gradient pump operates efficiently in order to exchange potassium inward and sodium outward the cell creating a potential gradient across the cell membrane. Moreover, in this case, the value of resting permeability of potassium ions is 1 as compared to sodium ions i.e. 0.4 much lower than potassium.

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how would you prepare from the stock solution of 0.5 m cuso4, 5 ml of 0.1m, 0.2m, 0.3m, and 0.4m, and 0.5m cuso4? show your calculations in your submission.

Answers

We will prepare the stock solution of 0.5 m CuSO₄  by using the formulae M1V1 = M2V2

1. Prepare 5 ml of 0.1 m

  Use the formulae M1V1 = M2V2

  Where M1 = 0.5 m

              M2 = 0.1 m

              V2 = 5 ml

              V1 = ?

  Put the values

              0.5 × V1 = 0.1 × 5

               V1 = 0.5 / 0.5

                V1 = 1 ml

1 ml of 0.5 m CuSO₄ solution is diluted up to 5 ml to get 0.1 m CuSO₄  solution

1. Prepare 5 ml of 0.1 m

  Use the formulae M1V1 = M2V2

  Where M1 = 0.5 m

              M2 = 0.1 m

              V2 = 5 ml

              V1 = ?

  Put the values

              0.5 × V1 = 0.1 × 5

               V1 = 0.5 / 0.5

                V1 = 1 ml

1 ml of 0.5 m CuSO₄ solution is diluted up to 5 ml to get 0.1 m CuSO₄  solution

2. Prepare 5 ml of 0.2 m

  Use the formulae M1V1 = M2V2

  Where M1 = 0.5 m

              M2 = 0.2 m

              V2 = 5 ml

              V1 = ?

  Put the values

              0.5 × V1 = 0.2 × 5

               V1 = 1 / 0.5

                V1 = 2 ml

2 ml of 0.5 m CuSO₄ solution is diluted up to 5 ml to get 0.2 m CuSO₄  solution

3. Prepare 5 ml of 0.3 m

  Use the formulae M1V1 = M2V2

  Where M1 = 0.5 m

              M2 = 0.3 m

              V2 = 5 ml

              V1 = ?

  Put the values

              0.5 × V1 = 0.3 × 5

               V1 = 1.5 / 0.5

                V1 = 3 ml

3 ml of 0.5 m CuSO₄ solution is diluted up to 5 ml to get 0.3 m CuSO₄  solution

4. Prepare 5 ml of 0.4 m

  Use the formulae M1V1 = M2V2

  Where M1 = 0.5 m

              M2 = 0.4 m

              V2 = 5 ml

              V1 = ?

  Put the values

              0.5 × V1 = 0.4 × 5

               V1 = 2 / 0.5

                V1 = 4 ml

4 ml of 0.5 m CuSO₄ solution is diluted up to 5 ml to get 0.4 m CuSO₄  solution

5. Prepare 5 ml of 0.5 m

   The stock solution is already a 0.5 m solution so no need for any addition.

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which compounds could be represented by the empirical formula c h 2 ?

Answers

The compounds that can be represented by the empirical formula CH2 are C2H4, C3H6, and C8H16.

The empirical formula gives the smallest ratio of the total number of atoms present in a compound. It simply gives a ratio of the number of atoms that are present in a compound.

The formula that relates empirical formula with molecular formula is:

                 Molecular Formula  = n × Empirical Formula

Where n is any integer.

Thus CH2 is the simplest ratio of  C2H4, C3H6, and C8H16 and CH2 is the empirical formula of these compounds.

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A standard solution of sodium carbonate was prepared by dissolving 10.6 g of the anhydrous salt in distilled water. The solution was then transferred to a standard flask and the total volume was adjusted to the 500 mL mark.Calculate the concentration of the sodium carbonate solution in mol/L.

Answers

ANSWER

The concentration of the solution is 0.2 mol/L

EXPLANATION

Given that;

The mass of sodium carbonate dissolved is 10.6 grams

The volume of the flask is 500mL

Follow the steps below to find the concentration of the solution

Step 1; Find the number of moles of the solute using the below formula

[tex]\text{ mole = }\frac{\text{ mass}}{\text{ molar mass}}[/tex]

Recall, the molar mass of sodium carbonate is 106 g/mol

[tex]\begin{gathered} \text{ mole = }\frac{\text{ 10.6}}{\text{ 106}} \\ \text{ mole = 0.1 moles} \end{gathered}[/tex]

The moles of sodium carbonate is 0.1 moles

Step 2; Convert the volume to liters

Let x represents the volume of the flask in liters

[tex]\begin{gathered} \text{ 1mL }\rightarrow\text{ 0.001L} \\ \text{ 500mL }\rightarrow\text{ xL} \\ \text{ cross multiply} \\ \text{ 1mL }\times\text{ xL = 0.001L }\times\text{ 500mL} \\ \text{ Isolate xL} \\ \text{ xL = }\frac{\text{ 0.001L }\times500\cancel{mL}}{1\cancel{mL}} \\ \text{ xL = 0.001}\times\text{ 500} \\ \text{ xL = 0.5L} \end{gathered}[/tex]

The volume of the flask is 0.5L

Step 3; Find the concentration of the solution

[tex]\begin{gathered} \text{ Concentration = }\frac{\text{ 0.1}}{\text{ 0.5}} \\ \text{ concentration = 0.2 mol/L} \end{gathered}[/tex]

Therefore, the concentration of the solution is 0.2 mol/L

The energy that is released in the hydrogen fusion reaction comes from __________.

Answers

The energy that is released in the hydrogen fusion reaction comes from the difference in mass between the 4 hydrogen H nuclei and single helium He nucleus

The answer is: The difference in mass between the four hydrogen nuclei and single helium nucleus

If your job is to test the amount of lead found in paint samples, what area of chemistry would have you studied

Answers

If your job is to test the amount of lead found in paint samples, then you should be specialized in Analytical Chemistry.

Analytical Chemistry is a branch of Chemistry and is a stream of Science that deals with the identification and quantification of various chemical substances in a mixture.

Sometimes the work of the chemists in the field may be related to inventing a new method for testing and identification of a certain chemical or element from a mixture. Their role is usually to perform analysis and interpret a lot by performing the analysis.

It also involves quantitative analysis for determining the numerical amount and concentration of various chemical substances.

So, if you wish to test the amount of lead found in paint samples, you need to focus on Analytical chemistry.

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A chemistry graduate student combines 3.90 grams of potassium and 12.7 grams of iodine to form potassium iodide. according to the law of conservation of mass, how much potassium iodide should be formed if the reaction proceeds to completion?

Answers

A chemistry graduate student combines 3.90 grams of potassium and 12.7 grams of iodine to form potassium iodide. according to the law of conservation of mass, potassium iodide should be formed after the reaction is complete is 16.70 g.

According to the law of conservation mass, in a chemical reaction mass can neither be created nor destroyed.

According to the law, mass of the reactant is always equal to the mass of product, because in a chemical reaction, mass can neither be created nor destroyed.

The balanced chemical reaction is -

2 K      +       I₂    →      2 KI

3.90 g  +   12.7 g   =   16.70 g

16.70 g                  =   16.70 g

Therefore, when the reaction proceeds to completion, 16.70 g product is obtained as the sum of reactants is 16.70 g and according to law of conservation of mass, mass is neither created nor destroyed but it only converts from one form to another form.

Hence, potassium iodide formed is 16.70 g.

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3.
Find the correct element based on the information given (on the right side) and then drag
the element over.
Cesium
Magnesium
Bismuth
Bromine
Period 3 & Group 2A
Answer by dragging items here
Period & Group 7A
Answer by dragging items here
Period 6 & Group 1A
Answer by dragging items here
Period 6 & Group SA
Answer by dragging items here

Answers

Period 3 & Group 2A = Magnesium

Period & Group 7A = Bromine

Period 6 & Group 1A = Cesium

Period 6 & Group SA = Bismuth

What is groups and period in periodic table ?

Groups - The horizontal row of the periodic table that represents an element's valence electron count.

Periods - The horizontal columns of the periodic table that represent an element's number of electron shells. Families: Compounds with comparable characteristics and the same number of valence electrons.

Elements in the periodic table can be divided into groups and eras. The periodic table is organised into horizontal rows for periods and vertical columns for groupings. As you proceed over a period or down a group, the atomic number rises.

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7. According to the law of conservation of mass, the mass of the Must be equal to the mass of the

Answers

Answer:

According to the law of conservation of mass, the mass of the reactants must be equal to the mass of the products

Explanation:

law of conservation of mass

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What is the name of Pb(NO3 ) 2 Explain how you determined the bond type and the steps you used to determine the naming convention for the compound

Answers

Name of Pb(NO3 )2 is Lead(II) nitrate.

Pb(NO3)2 is ionic as well as covalent

Pb is the symbol of lead and NO3  is a complex ion called nitrate. It has one nitrogen and three oxygens. Pb(NO3)2 is ionic as well as covalent. NO3 is covalent in nature because both nitrogen and oxygen are non-metals and therefore an ionic bond cannot be formed between them.

Ionic compounds are formed when a metal reacts with a nonmetal whereas covalent compounds are formed when two non -metals react with each other. Binary compounds containing hydrogen are usually covalent compounds as hydrogen is a non - metal.

An ionic bond  donates an electron to the other atom in the bond whereas electrons in a covalent bond are shared equally between the atoms.

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if 9.65 g of nacl reacts with excesses of the other reactants and 4.11 g of nahco3 is isolated, what is the percent yield of the reaction?

Answers

The percent yield of the reaction  is  28.60 %

The first step for this problem is to convert the given 10.0 grams of NaCl to moles using the molar mass of NaCl:

9.65 g of NaCl = 9.65/58.5

                        = 0.165 moles of NaCl

Next, we look at the balanced reaction equation and determine how many moles of NaHCO3 we could potentially make without 0.165  moles of NaCl (this is called the "theoretical yield"):

0.165 moles NaCl × 1 mol NaHCO₃/1 mol NaCl

                            = 0.165 moles of NaHCO₃

Next, we convert the 0.165  moles of NaHCO3 theoretical yield to grams so that we can compare this to our "actual yield" of 4.11 grams:

0.165 moles of NaHCO₃ × 84 gtrams/1 mole

                        = 13.86 grams of  NaHCO₃

Finally, we compare our theoretical yield of 13.86 grams to our actual yield of 4.11 grams and multiply by 100 to get our percent yield:

4.11 grams / 14.37 grams × 100 = 28.60 %

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At the equivalence point of a strong acid-strong base titration, all of the acid and base have reacted producing water and a salt. What affects the ph at this point in the titration?.

Answers

The self-auto ionization affects the pH at the titration and is greater than 7

Strong acid and strong base completely suppress the effect of each other upon arriving at the equivalence point. The salt of strong acid and strong base neither gets hydrolyzed to furnish any mother acid or base because in this case, the acid-base equilibrium strongly favors the product. So, neither cation nor anion influences the pH of the neutralization point, and thus, it is only governed by the self-ionization of water. So, the correct option is the auto-ionization of water.It produced an alkaline that is susceptible and the pH of the equivalence factor will be higher than 7.Therefore the solution generated is just marginally alkaline, therefore the equivalence point's pH will be higher than 7.

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Which of the following pairs of elements would you expect to form a polar
covalent bond?
N and P
S and S
Ba and S
B and H

Answers

N and P pairs of elements would you expect to form a polar covalent bond.

What is a covalent bond ?

A covalent bond is formed when two atoms exchange one or more pairs of electrons. The two nucleus are concurrently drawing these electrons to them. When the difference between both the electronegativity values of two atoms is too tiny for a transfer of electrons to actually occur to create ions, a covalent bond is formed.

How are covalent bonds represented?

Covalent bonds between atoms in a Lewis structure are shown as a single line connecting the two atoms, which corresponds to the chemical symbol for the element. Diatomic molecules including hydrogen, nitrogen, fluorine, chlorine, bromine, iodine, and astatine are the principal sources of covalent bonding.

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What is the number of electrons in an Al³+ ion?
A) 10
B) 13
C) 3
D) 16

Answers

Answer:  there are 10 electrons associated with a single Al3+ ion.

Explanation:

explain the difference in boiling points between water and methane in terms of intermolecular forces present​

Answers

Answer: Water has a higher boiling point than methane. Water has a higher boiling point because water molecules have hydrogen bonds, which means MUCH STRONGER intermolecular forces, than methane.

Methane and water have different boiling points. Because water molecules have hydrogen bonds, which equate to much stronger intermolecular interactions than methane, water has a higher boiling point than methane.

What is the boiling point?

The temperature at which a liquid's vapor pressure matches the pressure surrounding the liquid is known as the boiling point of that substance.

An O-H bond has a bigger bond dipole than a C-H bond because oxygen is more electronegative than carbon. As a result, there is a stronger force of attraction between two water molecules than between two methane molecules.

Therefore, the boiling points of water and methane are dissimilar. Water has a greater boiling point than methane because water molecules have hydrogen bonds, which translate to far stronger intermolecular interactions.

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A piece of barium has a volume of
4.00 cm3. The density of barium
is 3.62 g/cm3. What is the mass
of the sample of barium?

Answers

Density, Volume and Mass

These three variables have a common equation:

[tex]D=\dfrac{m}{V}[/tex]

Solving the Question:

We're given:

V = 4.00 cm³D = 3.62 g/cm³

Isolate m in the equation:

[tex]m=DV[/tex]

Plug these values into the equation:

[tex]m=(3.62\frac{g}{cm^3})(4.00 cm^{3})\\\\m=14.48g[/tex]

Answer

The mass of the sample of barium is 14.48 g.

WILL GIVE BRAINLIEST PLS HELP

Answers

Answer: I think the answer is B

n is known as the principal quantum number. ... l is known as the orbital quantum number. ... ml is known as the magnetic quantum number. ... n specifies l specifies ml specifies ... a. the subshell - orbital shape. b. the energy and distance from the nucleus. c. the orbital orientation.

Answers

The first shell of an atom is its electron shell, or energy level.

The subshell is the second shell.

The particular orbital (or "cloud") within that subshell is the third shell.

What are Quantum Numbers?

The position and energy of an electron in an atom are represented by a set of numbers known as quantum numbers.

principal quantum number

azimuthal quantum number

magnetic quantum number

The electron shell, also known as the atom's energy level, is the initial shell. The value of N ranges from 1 to the atom's outermost electron's shell.

By using the connection, the second shell, which is the subshell, determines the magnitude of the orbital angular momentum.

The third shell creates the orbital angular projection momentum along a certain axis and is the particular orbital (or "cloud") within that subshell.

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how do you convert the salts of organic acids back into their original form?

Answers

Answer: You would have to alter the pH of the solution.

To convert the salts of organic acids back into their original form you have to alter the pH of solution.

What is pH of solution ?

pH is a numerical indicator of how acidic or basic aqueous or other liquid solutions . The phrase, which is frequently used in chemistry, biology, and agronomy, converts the hydrogen ion concentration, which typically ranges between 1 and 1014 gram-equivalents per liter, into numbers between 0 and 14.

pH is an important quantity that reflects the chemical conditions of a solution. The pH can control the availability of nutrients, biological functions, microbial activity, and the behavior of chemicals.

You may do this by including a mineral base, such sodium hydroxide. The proton will be eliminated by the mineral base, leaving the original organic molecule. The organic component has lost its charge and is no longer as soluble in water.

Thus, to convert the salts of organic acids back into their original form you have to alter the pH of solution.

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Can someone check my answers please?? please it’s due today !!

Answers

I’m pretty sure that’s the right answer
Yes I believe that is correct :)

Which statement correctly describes photons? (Will give brainliest)
A. Photons behave like waves but not particles.
B. Photons behave like particles but not waves.
C. Photons are particles of light without a wavelength.
D. Photons are particles of light and have a wavelength.

Answers

Answer: Its D

Photons are particles of light and have a wavelength.

Explanation:

i did the quiz

Photons are the particles of light which have a particular wavelength and frequency. Photons are the units of light which contain energy. Thus, the correct option is D.

What are photons?

A photon is a tiny particle which comprises of the waves of electromagnetic radiation. As explained by Maxwell, photons are just electric fields which travels through the space. Photons have no net charge, no resting mass, and can travel at the speed of light.

Photons are the packets of light energy (quantum). These are required for the process of photosynthesis in plants. Plants capture the light energy and convert it into chemical energy which is useable by living organisms.

Therefore, the correct option is D.

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POSSIB
A student drops three balls of identical size but different masses from a height of one meter high into a container of sand.
The first ball has a mass of one gram.
The second ball has a mass of three grams.
The third ball has a mass of five grams.
Which ball will make the biggest crater in the sand and why?
(1 point for correct answer, 1 point for correct reason why)
B I
1
0/1
9 10 11 12 13 14 15

Answers

The third ball of 5 grams of mass will make the biggest crater in the sand because force is directly proportional to mass. so the greeter the mass, the greater its force and impact.

what is mass?

Mass is described as the quantity of matter in a physical body.

Mass is also a measure of the body's inertia, the resistance to acceleration when a net force is applied.

Mass is always known to be constant for a body. We can calculate mass by:

Mass = volume × density.

Weight is the measure of the gravitational force acting on a mass. The SI unit of mass is the "kilogram"

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How many moles are in 28 grams of carbon dioxide CO2

Answers

I think its 0.636 moles

Answer:

0.636 moles

Explanation:

Complete answer:

Complete answer:The molecular weight of a material is required to tell an individual how many grams there are in one mole of that chemical substance i.e. molecular weight of any substance contains 1 mole of that substance. Then 28 g of $C{{O}_{2}}$ contains = 0.636 moles of $C{{O}_{2}}$.

A rock dropped in a graduated cylinder raises the level of water from 30mL to 45mL the Rock has a mass of 60g. What is the density of the rock ?

Answers

Density is an intensive property as it does not depend on the quantity of the substances Whereas mass and volume are extensive property The density of rock is  1.33g/ml

What is density?

Density tells about the compactness of the substances, how much dense is the substances in other words. Object that is more denser than water they just sink in the water

Mathematically,

Density = Mass of the rock  ÷volume marked on the graduated cylinder

Substituting all the values in above formula, we get

Density = 60g÷45mL

              = 1.33g/ml

Thus the density of the rock is  1.33g/ml

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Which of the following correctly matches the chemical formula with the name of the compound? Select all that apply.
a. K3NK3N, potassium nitride
b. SO2SO2, sulfur dioxide
c. Cl2OCl2O, chlorine(II) oxide
d. MgOMgO, monomagnesium monoxide
e. Fe2(SO4)3Fe2(SO4)3 (iron has variable charges), iron(III) sulfate

Answers

Every chemical formula has a name. In a perfect world, this name would describe the compound's characteristics as well as its makeup.

Chemical formula that correctly matches with the name of the compound

K3N, potassium nitride

SO2, sulfur dioxide

Fe2(SO4)3, iron(III) sulfate

These names are based on a set of IUPAC standards and are referred to as systematic names. Although every chemical has a scientific name, many compounds also have popular names.

But where do the names of chemical substances come from?

Ionic compound names:

Chemical formula known as ionic compounds have ionic bonds holding the constituent ions together. These are composed of negatively charged polyatomic ions and positively charged metal cations. To be classified as an ion, they must have a positive or negative charge, though.

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