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I am Lyosha [343]
3 years ago
7

What state of matter is the body mostly made up of

Chemistry
1 answer:
Alinara [238K]3 years ago
5 0
Liquid makes up most of the body
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If a 2.75 L gas sample is held at a constant temperature, and its pressure is changed from 750.0 torr to 360.0 torr, what will t
liubo4ka [24]

Answer:

5.73 Liters

Explanation:

Pressure decreases => Volume increases (Boyles Law)

V(final) = 2.75L (750Torr/360Torr) = 5.73 Liters

5 0
3 years ago
Solve the ideal gas law equation for pressure.
posledela

Answer:

p=\frac{nRT}{V}

Explanation:

The ideal gas law equation is an equation that relates some of the quantities that describe a gas: pressure, volume and temperature.

The equation is:

pV=nRT

where

p is the pressure of the gas

V is the volume of the gas

n is the number of moles of the gas

R is the gas constant

T is the absolute temperature of the gas (must be expressed in Kelvin)

Here we want to solve the equation isolating p, the pressure of the gas.

We can do that simply by dividing both terms by the volume, V. We find:

p=\frac{nRT}{V}

So, we see that:

- The pressure is directly proportional to the temperature of the gas

- The pressure is inversely proportional to the volume of the gas

6 0
3 years ago
How are the noble gases stable and do they exist separatly with no other element
Marrrta [24]
Yes they are stable because they follow octet rule but am not sure if they are exist separetly
7 0
3 years ago
Aluminium sulfate hydrate al2(so4)3.xh2o contains 13.63% al by mass. calculate x, that is, the number of water molecules associa
Advocard [28]
MAl₂(SO₄)₃·xH₂O:
(mAl×2) + (mS×3) + (mO×12) + (mH₂O×x)
(27×2)+(32×3)+(16×12)+(x×18) = 342 + 18x [g]
mAl₂: 27×2 = 54 [g]

54g ---------- 13,63%
342+18x ---- 100%
0,1363(342+18x) = 54
46,6146 + 2,4534x = 54
2,4534x = 7,3854
x ≈ 3

>>> Al₂(SO₄)₃·3H₂O <<<<
:)
8 0
3 years ago
Which descriptions apply to emitted radiation? check all that apply?
Murrr4er [49]
<span>measurement in Ci/Bq

the amount of radioactive materials released into the environment.

number of disintegrations of radioactive atoms in a radioactive material over a period of time</span>
7 0
3 years ago
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