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77julia77 [94]
3 years ago
6

Which real world scensories below respent physical changes check all that apply

Chemistry
1 answer:
Delicious77 [7]3 years ago
4 0

Answer:

I need more information

Explanation:

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How many moles of water are produced from 0.500 moles of oxygen gas?
solmaris [256]
As far as I know NONE.....
Explanation:
Sodium peroxide can be thermolyzed to give dioxygen gas...
N
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6 0
3 years ago
A steel cylinder has a pressure of 550 torr at 177 degrees Celsius. What will be the pressure if the temperature is decreased by
storchak [24]

Answer:

270.34

Explanation:

pressure, 550                pressure, 270.34

______________   =   ___________

177 degree celsius.        87 degree celsius.

550 x 87 / 177 = 270.34

8 0
3 years ago
What is the total energy change for the following reaction: CO + H2O -> CO2 + H2?
liubo4ka [24]

1)Delta H=(Delta H of reactants)-(Delta H of products)

2)And we know CO have 3 bond CO and CO2 have 2 bond that each of them are 2 bond, please see the picture!

so lets answer it:

(3 \times 358) + (2 \times 463) - (4 \times 358) - 436 = 132

4 0
3 years ago
Read 2 more answers
Fill in the following information for the element
e-lub [12.9K]

Answer:

Period: 6 block

Group: f block

Family: Lanthanides

5 0
3 years ago
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Archimedes used what method to find the volume of the golden crown?
Semenov [28]
It will be the Displacement method
6 0
4 years ago
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