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3 years ago

What is the meaning of weight?

2 answers:

8 0

1. (It depends on th example)a body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing."he was at least 175 pounds in weight"synonyms:heaviness, mass, load, burden, pressure, force; More2.a heavy object, especially one being lifted or carried.verb1.hold (something) down by placing a heavy object on top of it."a mug half filled with coffee weighted down a stack of papers"2.attach importance or value to."speaking, reading, and writing should be weighted equally in the assessment"

Lostsunrise [7]3 years ago

4 0

Weight is properly defined as how much gravity acts upon an object.
I hope this helps!

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What characteristics of polyethylene glycol (PEG) make it an excellent substance for the liquid inside the paintballs?

Blizzard [7]

Huhuhghb 66 hope this helps!

3 0

3 years ago

a 2.7 L of N2 is collected at 121kpa and 288 K . if the pressure increases to 202 kpa and the temperature rises to 303 K , what

jok3333 [9.3K]

Answer:

The gas will occupy a volume of 1.702 liters.

Explanation:

Let suppose that the gas behaves ideally. The equation of state for ideal gas is:

$P\cdot V = n\cdot R_{u}\cdot T$ (1)

Where:

$P$ - Pressure, measured in kilopascals.

$V$ - Volume, measured in liters.

$n$ - Molar quantity, measured in moles.

$T$ - Temperature, measured in Kelvin.

$R_{u}$ - Ideal gas constant, measured in kilopascal-liters per mole-Kelvin.

We can simplify the equation by constructing the following relationship:

$\frac{P_{1}\cdot V_{1}}{T_{1}} = \frac{P_{2}\cdot V_{2}}{T_{2}}$ (2)

Where:

$P_{1}$ , $P_{2}$ - Initial and final pressure, measured in kilopascals.

$V_{1}$ , $V_{2}$ - Initial and final volume, measured in liters.

$T_{1}$ , $T_{2}$ - Initial and final temperature, measured in Kelvin.

If we know that $P_{1} = 121\,kPa$ , $P_{2} = 202\,kPa$ , $V_{1} = 2.7\,L$ , $T_{1} = 288\,K$ and $T_{2} = 303\,K$ , the final volume of the gas is:

$V_{2} = \left(\frac{T_{2}}{T_{1}} \right)\cdot \left(\frac{P_{1}}{P_{2}} \right)\cdot V_{1}$

$V_{2} = 1.702\,L$

The gas will occupy a volume of 1.702 liters.

6 0

3 years ago

Consider the incorrectly balanced combustion equation:

Ulleksa [173]

Oxygen is balanced incorrectly.
The correct balanced equation: 2C6H6+15O2=12CO2+6H2O

6 0

2 years ago

Describe the shapes and relative energies of the SPD & f atomic orbitals

Deffense [45]

Explanation:

The shapes and relative energies of the orbitals s,p,d and f orbitals are given by the principal quantum number and the azimuthal quantum number.

The principal quantum number gives the main energy level and the azimuthal quantum number denotes the shape of the orbitals.

For the principal quantum number, they represent the energy levels in which the orbital is located or the average distance of the orbital from the nucleus. It takes the number n = 1,2,3,4,5,6,7......
The azimuthal quantum number(L) shows the shape of the orbitals in subshells accommodating electrons. The number of possible shapes is limited by the the principal quantum number.

L Name of orbital shape of orbital

0 s spherical

1 p dumb-bell

2 d double dumb-bell

3 f complex

Principal Azimuthal Orbital

Quantum Quantum Designation of

Number (N) Number(l) Sublevel

1 0 1s

2 0 2s

1 2p

3 0 3s

1 3p

2 3d

4 0 4s

1 4p

2 4d

3 4f

Learn more:

Atomic orbitals brainly.com/question/9514863

#learnwithBrainly

6 0

3 years ago

If one were asked to choose between paper or plastic which would be chosen and which one would benefit the environment?

vekshin1

It would be plastic Becaus we can recreate things with plastic and other things that are recyclable. Since,we mostly cut down trees everyday for paper,not knowing that we are wasting natural resources, and destroying animal homes and food.

6 0

3 years ago