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Irina-Kira [14]
3 years ago
9

WORTH 100 POINTS PLEASE HURRY!!!!!!!!

Chemistry
2 answers:
neonofarm [45]3 years ago
5 0

Answer:

The answer is B

Explanation:

Less air means less air pressure. At a certain point, there is very little air pressure to push against the outward pressure of the helium inside the balloon. It will then expand until the rubber breaks, and the balloon bursts

Anastasy [175]3 years ago
4 0
The answer is actual b
Explanation
It is what is isssssss
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What volume of copper metal is needed to react with 3.5 moles of silver nitrate
leonid [27]

Answer:

3.40 g

Explanation: don't have one :P

6 0
3 years ago
5. Rocks and sediment change their form as they move through the rock cycle. Which change
mina [271]

Answer:

Rock to Magma

Explanation:

Lava to Rock is incorrect because its "Freezing" The Lava

Magma to Lava basically a name change. No type change.

Rock to Sediment is Erosion of the rock.

Rock to Magma Is the Rock being super-heated, melting it. Similar to Ice and water but more extreme.

8 0
3 years ago
Which element has similar properties to neon (Ne)?
Leto [7]

Answer:

Krypton

Explanation:

They're both inert gases

5 0
1 year ago
Describe the relationship between"q" and energy in the melting of an ice cube.
klio [65]

Answer:

Now "q" is  the heat and energy is the capacity of any object or body ton perform any work. So we can relate them if we take the term specific heat in consideration.

As specific heat is the the amount of heat required to raise the temperature of an object in specific from one degree Celsius, for ice it is 2.108 kJ/kgK.

Explanation:

  • c = specific heat capacity,

  • q = heat

  • ΔT = change in temperature

So, we have:

  • C= Q/ΔT
  • It is the ratio of the amount of heat energy transferred to an object to the resulting increase in temperature of the object.

4 0
3 years ago
Bauxite is the chief ore from which aluminum is extracted. Which of these statements is correct about bauxite?
Eddi Din [679]

Answer : The correct answer is Option D.

Explanation:

Ores are defined as natural occurring substance from which metals and another mineral are extracted.

Bauxite is primary ore of an aluminium metal. it doesn't have definite or specific chemical composition. This is because it contains mixture of hydrous aluminum oxideAl_2O_3, aluminum hydroxidesAl(OH)_3, insoluble materials like hematite, quartz ,geothite ,magnetite etc.

From the given options the most appropriate statement which is correct about the bauxite is 'It does not have a definite chemical composition'.

Hence, the correct option Is (D).

6 0
3 years ago
Read 2 more answers
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