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Aleksandr [31]
3 years ago
15

How many moles are in 1.23 X 1050 atoms of calcium carbonate, CaCO3?

Chemistry
1 answer:
pav-90 [236]3 years ago
8 0

Answer:

Explanation:1 mole is equal to 1 moles CaCO3, or 100.0869 grams.

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If a gas in a closed container is pressurized from 15.0 atmospheres to 16.0
Yuki888 [10]

Answer:

T₂ = 317.87 K

Explanation:

Given data:

Initial pressure = 15 atm

Final pressure = 16 atm

Initial temperature = 298 K

Final temperature = ?

Solution:

According to Gay-Lussac Law,

The pressure of given amount of a gas is directly proportional to its temperature at constant volume and number of moles.

Mathematical relationship:

P₁/T₁ = P₂/T₂

Now we will put the values in formula:

15 atm / 298K = 16 atm/T₂

T₂ = 16atm × 298 K / 15 atm

T₂ = 4768 atm. K / 15 atm

T₂ = 317.87 K

4 0
3 years ago
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A solid formed from liquid reactants chemical reactions is called a precipitate.
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Why will a toy train remain still if you push on the engine with
netineya [11]

Explanation:

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The train would go right if a 3N force was only applied in the right direction, and it would go left if the same force was only applied to the left.

If a 3N force was applied to the right and a 2N force to the left, it would equal a 1N force to the right (3-2=1).

But there it's 3-3=0, so in practice the force is 0N. Therefore the train won't move.

6 0
3 years ago
How does urban sprawl affect water consumption?
Vesnalui [34]

Answer:

Urban sprawl is the development in urban areas

Due to which people are migrating from rural areas to urban areas to get the jobs or their income sources due to the opportunities.

So, as population is increasing in the urban areas. The food consumption and water consumption will also increase.

So, this is how urban sprawl affect water consumption.

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A student drops some metal paper clips in a box of sand. The student uses a magnet to separate the metal paper clips from the sa
Dmitriy789 [7]

Answer:

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Explanation:

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3 years ago
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