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When a chemist adds liquid

When a chemist adds liquid and it bursts into flames is that a chemical or physical change? Why?
1. 3 answers
2. 41 views
1) A chemist discovered four bottles of liquid simply labelled A-D, eachof which contained a different pure organic compound.
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2. asked by Spectroscopy
3. 167 views
Please help me.1. A chemist adds 25.0 mL of a 43.4 g/dL iron (ii) bromide (FeBr2) solution to a flask. Calculate the mas in gram
1. 1 answer
2. asked by Katie
3. 825 views
The chemist measures the volume of the unknown liquid as 0.800L and the mass of unknown liquid as 747gTetrahydrofuran 0.89g/cm^3
1. 1 answer
2. 120 views
The chemist measures the volume of the unknown liquid as 1132 cm^3 and the mass of unknown liquid as 1.43kgPentane 0.63g/mL
1. 1 answer
2. 130 views
Matter and Its Interactions Portfolio ApplyA photo shows a chemist adding liquid that bursts into flames. Chemist adding liquid
1. 1 answer
2. 24 views
Many analytical instruments require liquid nitrogen. While filling an instrument with liquid nitrogen, an analytical chemist
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2. asked by Missy
3. 731 views
Many analytical instruments require liquid nitrogen. While filling an instrument with liquid nitrogen, an analytical chemist
1. 2 answers
2. asked by mia
3. 659 views
Many analytical instruments require liquid nitrogen. While filling an instrument with liquid nitrogen, an analytical chemist
1. 1 answer
2. asked by Katie
3. 1,151 views
A chemist has several beakers full of different liquids that she will use to make a solution. The chemist records the amount of
1. 1 answer
2. asked by elijah
3. 121 views