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nydimaria [60]
3 years ago
15

What is the volume occupied by 30.00 grams of pure gold?​

Chemistry
1 answer:
mr Goodwill [35]3 years ago
3 0

Answer:

I think 1.56

Explanation:

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Which of the following have deliquescent Nature ? ​
Alla [95]

Answer:

Most deliquescent substances are salts. Examples include sodium hydroxide , potassium, hydroxide, ammonium chloride, gold

4 0
2 years ago
4. What is the total mass of ice that can be vaporized by 2100 kJ of heat energy?
anygoal [31]

Answer:

5 g

Explanation:

The heat required to vaporize ice is the sum of

i) Heat required to melt ice at 0°C

ii) Heat required to raise the temperature from  0°C to 100°C

iii) Heat required to vaporize water at 100°C

Thus;

H = nLfus + ncθ + nLvap

H= n(Lfus + cθ + Lvap)

Lfus = 6.01 kJ/mol

Lvap = 41 kJ/mol

c = 75.38

n =?

2100 = n(6.01  + 75.38(100) + 41)

n = 2100 KJ/7585.01 kJ/mol

n = 0.277 moles

Mass of water = number of moles * molar mass

Mass of water = 0.277 moles * 18 g/mol

Mass of water =  5 g

3 0
3 years ago
Why did bohrs observations of gaseous elements not reveal a complete spectrum when the light was shone through a prism? explain
Vika [28.1K]
The Bohr model proposed that electrons could just have characterized vitality levels thus when rotting back to a lower vitality level discharge a specific measure of vitality. Since the measure of vitality could be changed over to a specific recurrence then particular emanation lines were found in the electromagnetic range. Alternate speculations couldn't clarify the discharge lines.
4 0
3 years ago
g Which statement concerning the structure of the atom is correct? Protons and neutrons have most of the mass and occupy most of
qaws [65]

Protons and neutrons have most of the mass but occupy very little of the volume of the atom.

7 0
3 years ago
The principal ingredient of glass is ______________________.
Lilit [14]
The principal ingredient of glass is quartz sand (SiO₂).
4 0
3 years ago
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