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Sav [38]
3 years ago
8

Is a bar of nature valley consider a compound element solution or a heterogeneous mixture?

Chemistry
1 answer:
atroni [7]3 years ago
7 0
Heterogeneous mixture.....
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The _______ are found on the left side of the arrow in a chemical reaction.
Snezhnost [94]
The reactants are found on the left side, the products are found on the right side.
4 0
2 years ago
4P+ 5O2 -> P4O10
Ratling [72]
If 4 moles of P is used by 5 mole of O2
then....0.489 moles will be used by 5/4 × .489 = .611 moles of O2

so .611 moles

so if 4 moles of P is burnt , 1 mole of P4O10 is produced ....so for .489 moles...... .489/4=.122 moles !
so mass will be .122× 283.89 = 34.7 grams

so first ans is .611 moles and second is 34.7 grams !

if you have any problem regarding this , just comment !!!
4 0
3 years ago
Read 2 more answers
NEED HELP!!!
Vilka [71]

Answer:

1.atomic number

2.electron

3.element

4.atom

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7.proton

Explanation:

please like and Mark as brainliest

6 0
3 years ago
Identify and explain the process shown below. Name any two products obtained during this process and state their uses.
lapo4ka [179]

Answer:

This is heating limestone

Explanation:

Process:

limestone is heated strongly. After a while, the limestone begins to go cloudy. Test tube is heated too much that it is beginning to  soften it. After removing limewater, test tube cools down, the pressure in the test tube drops and air pressure pushes the cold the liquid into the hot test tube with terrible result.

Products:

Limestone is also known as calcium carbonate and Limewater

Click on the link provided to show the video

https://youtu.be/RLL5rT_DeKc

or search heating calcium carbonate

you will find a video

5 0
3 years ago
PLEASE ANWSER THIS!!
Drupady [299]

Answer:

A. because there both high pitched voice and low pitched ( girls have sweet, shrill ,high pitched good voice ) where as boys have horase ,low pitched medium voice )

7 0
3 years ago
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