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slamgirl [31]
3 years ago
13

What is described by the VSEPR theory?

Chemistry
1 answer:
Bingel [31]3 years ago
6 0

Answer:

A

Explanation:

Apex

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The mass of any amount of a solid, liquid, or gas relative to its volume is called its ____________.
zheka24 [161]
Eazy, it’s called density

I’m only in 8th grade science you know
8 0
3 years ago
What do u do when you butter in a tub melts i put it in my fridge but after 1 hour it has some kind of water in it or something
schepotkina [342]

Answer: not sure either. not sure what exactly your asking because the wording is weird. (no offense)

6 0
3 years ago
140000 rounded to 3 sig gigs
attashe74 [19]
1.40E+5 (140000)
I believe this is right
8 0
3 years ago
what mass of carbon dioxide gas occupies a volume of 81.3 L at 204kPa and a temperature of 95 degrees celcius
pishuonlain [190]

The mass of carbon dioxide will be 238.51g

<u>Explanation:</u>

Given:

Volume, V = 81.3 L

Pressure, P = 204 kPa

                P = 204000Pa

Temperature, T = 95°C

                       T = 95 + 273K

                       T = 368K

mass of CO₂, m = ?

According to the gas law:

PV = nRT

where, R is the gas constant

n is the moles

and the value of R = 8.314 X 10³ L⋅Pa⋅K⁻¹⋅mol⁻¹

n = m/w

where,

m is the mass of the substance

w is the molecular weight

and molecular weight of CO₂ is 44 g

On substituting the value we get:

204000 X 81.3 = \frac{m}{44} X 8.314 X 10^3 X 368\\\\m = \frac{204 X 81.3 X 44}{8.314 X 368} \\\\m = 238.51 g

Therefore, the mass of carbon dioxide will be 238.51g

5 0
3 years ago
43 Which temperature change indicates an increase in the average kinetic energy of the molecules in a sample?(1) 15°C to 298 K (
aleksandrvk [35]
The increase in the average kinetic energy of the molecules needs the increase of temperature. The relation of ℃ and K is n ℃ = m K -273. So if we change all the K unit to ℃ unit, we can get the answer is (1).
3 0
3 years ago
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