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zepelin [54]
3 years ago
11

Can an object of 8.6g/cm3 Float ​

Chemistry
1 answer:
cupoosta [38]3 years ago
3 0

Answer:

yes

Explanation:

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Which substance is a compund
Oxana [17]
Answers:
______________________________________________
  1)   [D]:  " CO₂ " .  

<u>Note:</u><u> </u> This is the only answer choice given that is composed of:  "at least two different elements" .
_______________________________________________
  2)  [D]:  "carbon and hydrogen" {"C" and "H" .} .
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7 0
4 years ago
A 5.0-kg box is pushed across the floor with a force of 32 N. What is the frictional force on the box if the box's acceleration
Slav-nsk [51]
From\ 2nd\ Newton\ Law\ resultuant\ force: \\\\\ F_R=m*a=5kg*3,6\frac{m}{s^2}=18N\\\\&#10;F=32N\\\\&#10;F_f- friction\ force\\\\&#10;F_R=F-F_f\\\\&#10;F_f=F-F_R=32N-18N=14N\\\\Friction\ force\ is\ equal\ to\ 14\ N.
3 0
4 years ago
Read 2 more answers
Which one is not acid? Na₂O or CO₂
vodka [1.7K]

Answer:

It is Na2O because it doesn't show any acidic properties.

4 0
3 years ago
Classify the reactions as endothermic or exothermic.
solong [7]

A - Endothermic. This is because it absorbs heat rather than releases it.

B - Exothermic. It's releasing heat which in turn makes the beaker hot.

C - Endothermic. The Ammonium Chloride is absorbing the heat away from the beaker.

D - Exothermic. To produce nuclear energy, it needs to release heat.

E - Endothermic. The hydrogen and oxygen atoms are absorbing the heat given off from the electric current.

F - Exothermic. It is producing heat or releasing heat.

Exothermic is the losing, release, or production of heat. Endothermic is the exact opposite; it is the storing of heat.

Hope this helps!

6 0
3 years ago
What is the name of this hydrocarbon ?
kotykmax [81]

Answer:

Option C is correct: methylpropane

Explanation:

Name of the given Structure = ?

Structure given: Shown in attachment

Naming organic compound

  • Select the longest chain: so it contain three carbon
  • As the compound is saturated that contain single bond in-between carbon atom so it is known as alkane.
  • For three carbon atoms it is a propane
  • Look for the functional group: so, there is one methyl (CH₃) group attached at carbon number 2.
  • So the name include methyl too.

Now the final name of this compound is methylpropane

So, option C is correct.

5 0
4 years ago
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