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kotegsom [21]
2 years ago
7

☆BRAINLIEST to correct answer☆​

Chemistry
1 answer:
ss7ja [257]2 years ago
3 0

Answer:

Explanation:

K2+H2O--------->KOH

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A sample of NO2 in a 1550 mL metal cylinder at 70.26 kPa has its temperature changed from 480oC to -237oC while its volume is si
antoniya [11.8K]

Answer:

1.02KPa

Explanation:

The following were obtained from the question:

V1 = 1550mL

P1 = 70.26kPa

T1 = 480°C = 480 + 273 = 753K

T2 = -237°C = - 237 + 273 = 36K

V2 = 5114mL

P2 =?

The final pressure can obtain as follows:

P1V1/T1 = P2V2/T2

(70.26x1550)/753 = (P2x5114)/36

Cross multiply to express in linear form as shown below:

P2 x 5114 x 753 = 70.26 x 1550 x 36

Divide both side by 5114 x 753

P2 = (70.26x1550x36)/(5114x753)

P2 = 1.02KPa

Therefore, the final pressure is 1.02KPa

3 0
3 years ago
A 7.45 L container holds a mixture of two gases at 15 °C. The partial pressures of gas A and gas B, respectively, are 0.364 atm
kogti [31]

Answer:

stored and active

Explanation:

both cannot be thransformed into another type of energy

8 0
2 years ago
Which energy stored between plates of capacitor?
Mrac [35]

Answer: Electric energy

Explanation: Electrical energy is stored between plates in electric field

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Which is a homogeneous mixture
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A homogeneous mixture is a mixture that is mixed so well together that you cannot see the different components that make up the mixture as the ingredients will not separate out, even over time.  
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Which element has a meltin point higher than the melting point of rhenium
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