The correct answer would be D: Physical properties can be observed without changing the identity of a substance
Answer:
802.69 g
Explanation:
The molar mass of Barium nitrite is 229.34 g/mol, so 3.5 moles of it will have a mass of ...
3.5 mol × 229.34 g/mol = 802.69 g
Answer: The ∆Hf is -384.7kj/mol
Explanation:
H2O +SO3-----H2SO4
-285.8 +(-98.9------- -384.7kj/mol
Answer:
Hello Themakerofjoe!
A chemical property is a characteristic of a substance that may be observed when it participates in a chemical reaction. Examples of chemical properties include flammability, toxicity, chemical stability, and heat of combustion.
<em>- I Hope This Helps, Have an Awesome day!</em>
<em>~ Chloe Marcus ❤❤</em>
