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Rudik [331]
3 years ago
9

When paper turns yellow-brown upon exposure to sunlight, what type of change is likely taking place?

Chemistry
1 answer:
DaniilM [7]3 years ago
5 0

Answer:

The Answer Is Chemical Change :)

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KBr(aq) + NaCl(aq) =
torisob [31]
It’s ionic
KCl(at)
Potassium chloride
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3 years ago
Which force is most responsible for binding together an atom’s protons and neutrons?
vampirchik [111]

Answer:

Hello There!!

Explanation:

I believe the answer is nuclear.

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3 0
2 years ago
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Which of the following is an electrolyte?<br><br> a. PbCl2<br> b. MgS<br> c. HNO3<br> d. Al2(Cr2O7)3
Phoenix [80]

Answer: A: PbCl2

Hope dis helps!

8 0
3 years ago
What is the volume of an oxygen tank if it contains 12 moles of oxygen at 273 K under 75 kPa?
Zina [86]
Given:
n = 12 moles of oxygen
T = 273 K, temperature
p = 75 kPa, pressure

Use the ideal gas law, given by
pV=nRT \\ or \\  V= \frac{nRT}{p}
where
V = volume
R = 8.3145 J/(mol-K), the gas constant

Therefore,
V= \frac{(12\,mol)(8.3145\, \frac{J}{mol-K} )(273\,K)}{75 \times 10^{3} \, Pa}= 0.3632\,m^{3}

Answer: 0.363 m³
    
5 0
3 years ago
One way to heat a gas is to compress it. a gas at 1.00 atm at 25.0°c is compressed to one tenth of its original volume, and it r
Tanzania [10]

(p1)(V1)/(T1) = (p2)(V2)/(T2)
(1.00 atm)(V) / (273 + 25K) = (40.0 atm)(V/10) / (273 + T)
273 + T = (40.0)(1/10)(273 + 25K) / (1.00)
T = 919°C
5 0
3 years ago
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