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Vilka [71]
2 years ago
11

The greater mass of an objectWhich is the greater amount of force needed to accelerate the object 

Chemistry
1 answer:
finlep [7]2 years ago
6 0

Answer:

Mass is inversely proportional to acceleration. The greater the mass, the smaller the accelaration.

Explanation:

(First of all, what?)

According to classical mechanics, F=ma where F is the force, m is the mass of the object and a is it's acceleration. Rearranging, we get F/m=a

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Based on the results of your investigation,make a claim about how changing the size or shape of an object affects its density?
Elodia [21]

Answer:

It can affect it by taking away mass and volume. Mass and Volume are the two factors that calculate and make up density

Explanation:

Mass/Volume =Density

If you were to change the mass or volume by changing the size or shape of an object, then this would affect the density.

5 0
3 years ago
Read 2 more answers
1. A gas has a pressure of 799.0 mm Hg at 50.0 degrees C. What is the temperature at standard Pressure?
larisa [96]

Answer:

A = 674.33mmHg

B = 0.385atm

Explanation:

Both question A and B requires the application of pressure law which states that the pressure of a fixed mass of gas is directly proportional to its temperature provided that volume is kept constant.

Mathematically,

P = kT, k = P / T

P1 / T1 = P2 / T2 = P3 / T3 =.......= Pn/Tn

A)

Data:

P1 = 799mmHg

T1 = 50°C = (50 + 273.15) = 323.15K

P2 = ?

T2 = 273.15K

P1 / T1 = P2 / T2

Solve for P2

P2 = (P1 × T2) / T1

P2 = (799 × 273.15) / 323.15

P2 = 674.37mmHg

The final pressure is 674.37mmHg

B)

P1 = 0.470atm

T1 = 60°C = (60 + 273.15)K = 333.15K

P2 = ?

T2 = 273.15K

P1 / T1 = P2 / T2

Solve for P2,

P2 = (P1 × T2) / T1

P2 = (0.470 × 273.15) / 333.15

P2 = 0.385atm

The final pressure is 0.385atm

7 0
2 years ago
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What is not indicated by a reaction rate?
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3 years ago
Define the following:
Advocard [28]

Answer:

A. Passive Transport is migration of a molecule from one side of the cell membrane to the other, from an area of high electrochemical potential to a region of lower electrochemical potential.

B. Diffusion is an individual molecule of a material moving from a high-concentration location to a low-concentration area over a semipermeable barrier

C. Osmosis is the movement of molecules of water through a cell's partly permeable membrane from a liquid with a large concentration of water molecules to a solution with a lower concentration of water molecules.

D. Facilitated Diffusion are molecules that diffuse across the plasma membrane with assistance from membrane proteins, such as channels and carriers.

E. Active transport is the transport of molecules across a cell membrane against a concentration gradient from a low-concentration region to a high-concentration region.

F. Selectively permeable is when some chemicals or ions pass across the membrane, while others are blocked.

G. Cellular respiration are organisms mix oxygen with food molecules, directing the chemical energy in these substances into life-sustaining processes while eliminating carbon dioxide and water as waste material.

Explanation:

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Which set of elements has the MOST similar physical and chemical properties?
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A k ca sf obviously
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