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nydimaria [60]
3 years ago
14

The density of solid aluminum is 2.70 . If a 1g peice of aluminum is dropped in a cup of water, it will . (The density of water

is 1.00 g/cm3 )
Chemistry
1 answer:
VMariaS [17]3 years ago
4 0
Answer:
It will sink

Explanation:
The density of the water is 1 g/cm³
- Elements having less density than water will float
- Elements having more density than water will sink

We are given that the density of density of aluminum is 2.7 g/cm³ which is more than the density of the water.
Therefore, it will sink.

Hope this helps :)
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K₂O +2Li Li₂O +2k how do you solve?
tiny-mole [99]

Answer:

K₂O +2Li --> Li₂O +2K

Explanation:

On the left side, K has 2 atoms and O has one combines with Li having 2 atoms. When the process starts Li burns and got atoms from O.

Hence O has 2 ions and Li has 1 ion

so to complete the bond, Two Li will have 2 ions which can complete O by sharing his 2 icons. i.e. Li₂O

and Two atoms of K can exist like 2K

So the equation will be like

K₂O +2Li --> Li₂O +2K

8 0
3 years ago
If you could answer any it would be deeply appreciated.
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Answer:magnesium plus nitrogen is : magnesium nitride

Explanation:

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jonny [76]
Boyle's Law 
 G:  V1= 130 mL   
       P1= 0.97 atm P2= 1 atm (standard pressure)
 
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 S: V2 = (130 mL) (0.97 atm) / 1 atm
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4 0
3 years ago
A container of carbon dioxide (CO2) has an initial temperature of 170 K with a pressure of 50 kPa. When the container is heated
Bond [772]

Answer: T2= 962.2 K

Explanation:

The ideal gases is often written like PV=nRT, where P is pressure, V is volume, n is moles, R is the universal constant of the gases and T is Temperature.

So, in this problem there is a container that is a closed system, therefore n is constant and volume too. The initial point is 1 and the final point is 2, so

V1=V2  ⇒

\frac{n1RT1}{P1} = \frac{n2RT2}{P2} \\\\\frac{T1}{P1} = \frac{T2}{P2} \\\\T2= \frac{T1P2}{P1} =\frac{170 K 283KPa}{50 KPa} =962.2 K

5 0
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What is the difference between the energy of spring A, stretched 0.6 meters, and spring B, stretched 0.3 meters, if they have th
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Spring a has more potential energy then spring b
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