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Brrunno [24]
3 years ago
5

In the picture this is my last question pls.

Chemistry
1 answer:
Genrish500 [490]3 years ago
7 0

Answer:

Chromosomes and I think its too many

Explanation:

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#3. How many liters are in 244 g of Krypton (Kr) gas (83.80 g/mol)?
ValentinkaMS [17]

Explanation:

100 liter because it is measured

5 0
3 years ago
A student decreases the temperature of a 556 c m cubed balloon from 278 K to 231 K. Assuming constant pressure, what should the
a_sh-v [17]

Answer:

The new volume of the balloon be 462\ cm^3.

Explanation:

We have,

Initial volume is 556 cm ³

The temperature of the balloon decreases from 278 K to 231 K.

We need to find the new volume of the balloon if the pressure is constant.

The Charles law states that at constant pressure, the volume of gas is directly proportional to its temperature i.e.

V\propto T, P is constant

\dfrac{V_1}{V_2}=\dfrac{T_1}{T_2}

V_2=\dfrac{V_1T_2}{T_1}\\\\V_2=\dfrac{556\times 231}{278}\\\\V_2=462\ cm^3

So, the new volume of the balloon be 462\ cm^3.

3 0
3 years ago
I need this ASAP thank you
son4ous [18]
The first one I god it wrong and he told us the answer
4 0
3 years ago
Elements that want to gain one outer electron?
mario62 [17]

Answer:

halogens

Explanation:

Elements that are nonmetals tend to gain electrons and become negatively charged ions called anions

8 0
3 years ago
Read 2 more answers
An ideal gas in a closed container initially has a volume V and Temperature T the final tempera is 5/4T and the final pressure i
Anettt [7]

Answer:

V_2 = \frac{5V}{8}

Explanation:

I am assuming you are saying what is the final volume of the gas

Known :

Initial volume (V1) = V

Initial temperature (T1) = T

Final temperature (T2) = 5/4 T

Initial pressure (P1) = P

Final pressure (P2) = 2P

<u>Wanted: Final volume (V2)</u>

<u />

<u />\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}\\\frac{PV}{T} = \frac{(2P)V_2}{(5/4)T}\\\frac{V}{1} = \frac{(2)V_2}{5/4}\\5/4V = 2V_2\\\\V_2 = \frac{5V}{8}

5 0
2 years ago
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