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Nimfa-mama [501]
2 years ago
10

When an acid is added to a base, which if the following changes in pH might be observed?

Chemistry
1 answer:
Licemer1 [7]2 years ago
5 0
Im just guessing, so i think is A
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Light shining on a strip of metal can dislodge electrons. Do you think this is more consistent with light being made up of waves
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Light would be more consistent being made up of particles rather than waves.
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3 years ago
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Zinc metal can be obtained from Zinc Oxide by reaction at high temperature with CO. The CO is obtained from burning C in limited
bonufazy [111]

Answer:

(a): 2ZnO(s) -----------> 2Zn(s) + O2(g)

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(b): ZnO(s) + C(s) ---------> Zn(s) + CO(g)

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What is the S.I unit of pressure?
Vesna [10]

Answer:

pascal(pa)

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Tin has ten stable isotopes. The heaviest, 124Sn, makes up 5.80% of naturally occuring tin atoms. How many atoms of 124Sn are pr
matrenka [14]

The average atomic mass of Sn is 118.71 g/mol

the percentage of heaviest Sn is 5.80%

the given mass of Sn is 82g

The total  moles of Sn will be = mass / atomic mass = 82/118.71=0.691

Total atoms of Sn in 82g = 6.023X10^{23}X0.691=4.16X10^{23}

the percentage of heaviest Sn is 5.80%

So the total atoms of Sn^{124} = 5.80% X 4.16X10^{23}

Total atoms of Sn^{124}=2.41X10^{22} atoms

the mass of Sn^{124} will be = \frac{2.41X10^{22}X124}{6.023X10^{23}}=4.96g

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Trying to take the ged test please help me I’m stuck
JulsSmile [24]

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3 0
2 years ago
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