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lapo4ka [179]
3 years ago
15

Do pure substances have the same chemical and physical properties

Chemistry
1 answer:
Darya [45]3 years ago
4 0
No, some impurities may alter the observed effects of a chemical reaction.. during a reaction other products may be produced, they may alter the MP or BP of the pure substance.  
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What are the steps for scientific method in order
Anna007 [38]

Make an observation.

Conduct research.

Form hypothesis.

Test hypothesis.

Record data.

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One thing that is designed to change in the set up of the experiment. ( The things that I can change) Independent Variable.


8 0
3 years ago
How is the sugar cube like a sedimentary rock?
noname [10]
This is heated until evaporation occurs and sugar crystals are precipitated. This is similar to how chemical sedimentary rocks are formed (like rock salt or cave limestone). It is then separated into small individual crystals. This can be representative of weathering and erosion of rock into sediment
4 0
3 years ago
Which phrases describe sedimentary rock? check all that apply.​
yuradex [85]

Answer:

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Explanation:

7 0
3 years ago
Who first argued that all matter is made up of particles so small that they could not possibly be divided
anyanavicka [17]
It’s A dalton he is the one who figured out matter
4 0
3 years ago
john roller skates with a constant speed of 8 miles per hour. how long will he take to travel a distance of 28 miles? please use
joja [24]

Answer:

3.5hrs

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