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GalinKa [24]
3 years ago
8

Which list of formulas represents compounds, only?

Chemistry
2 answers:
goldfiish [28.3K]3 years ago
8 0
A compound has to have at least two different elements in
(1) is the only list in which each of the three symbols representations show at least two different elements
Ann [662]3 years ago
3 0
The best formula that represents compounds only is <span>CO2, H2O, NH3.</span>
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Which of the following is the last step in performing a titration
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See questions on the sheet
nignag [31]

Answer:

The first question is 4

The second one is 1

Explanation:

Please mark brainliest! Hope it helped!

8 0
3 years ago
The combustion of 1 mole of CO according to the reaction CO(g) + ½O2(g) → CO2(g) + 67.6 kcal gives off how much heat?
Tomtit [17]
When the enthalpy value is given, we can calculate how much heat is use or produces in a given equation. 

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so 1 mole of CO gives us 67.6 kCal of heat.

calculation:

1 mol CO\frac{67.5 kcal}{1 mol CO} = 67.5 kcal




5 0
3 years ago
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