Which statement describes an investigation to determine a chemical property? A. determining the reactivity of baking soda and vi negar В. determining the melting point of lead c. measuring the boiling point of sugar water D. measuring the density of a sample of balsa wood
2 answers:
Answer: Determining the reactivity of baking soda and vinger
Explanation:
All the others are physicals change
Answer:
Explanation:
A gives off a visible gaseous product when the two are mixed.
The others all talk about physical properties like phase changes and densities.
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solids have definite shape and volume. liquid have definite volume but not definite shape. gases do not have definite volume as well as definite shape.
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verical rays
Explanation:
Answer:
1.8g
Explanation:
Initial volume = 43.5ml
Final volume = 49.4ml
Mass = 10.88g
Density = ?
Volume = Final volume - initial volume
= 49.4 - 43.5
= 5.9ml
Density = Mass/volume
Density = 10.88/5.9
= 1.8g/ml
Answer:Acids. :H2CO3, H3PO4,H3OBR
CH3COOH,
Bases MgO,NH4OH,CaOH
Neutral species; CaC,CaCO3,ClO3
Explanation:
