Answer:
Here's what I get
Explanation:
A physical property is one you can observe without changing the chemical composition of a substance.
A chemical property is one you can observe only by changing the chemical composition of a substance.
In this problem, examples of physical properties are:
- Colour
- Lustre
- Melting point
- Boiling point
- Density
- Malleability
- Ductility
- Conduction of electricity
Examples of chemical properties are:
- Burning in air
- Reaction with chlorine
What is the actual yield of a reaction?
A. The calculated amount of product
B. The fractional amount of product
C. The predicted amount of product
D. The measured amount of product
D
C. energy is released
(Forming bond is exothermic)
Answer:
1/ 421.2 g KNO3
2/ 66.6 g S
3/ 275.0 g CO2
Explanation:
Please see the step-by-step solution in the picture attached below.
Hope this answer can help you. Have a nice day!