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Marizza181 [45]
2 years ago
14

Why must a container or system be closed for equilibrium to be established?

Chemistry
1 answer:
il63 [147K]2 years ago
4 0

If you're dealing with gases, some of them could escape the container. Or, if you're dealing with liquids, there could be some outside factors playing in. In general, you need a closed system to observe a reaction accurately.

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Why are alkali metals so reactive?
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Answer:

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Explanation:

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8 0
2 years ago
Sugar costs $0.98/kg. 1 metric ton=1000 kg. How many metric tons of sugar can
EastWind [94]

Answer:

0.35714 Metric ton

Explanation:

350 / 0.98 = 357.1 ----------A

to get the answer on metric ton divide (a) by 1000

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7 0
3 years ago
What is the mass of 7 x 10^28 atoms of Fe?
Nostrana [21]

Answer:

6 x 10⁶ g Fe

Explanation:

Step 1: Set up dimensional analysis

7 x 10²⁸ atoms Fe (1 mol Fe/6.02 x 10²³ atoms Fe)(55.85 g Fe/1 mol Fe)

Step 2: Multiply, divide, and cancel out units

atoms Fe and atoms Fe cancel out.

mol Fe and mol Fe cancel out.

We should be left with g Fe.

7 x 10²⁸/6.02 x 10²³ = 116279 mol Fe

116279(55.85) = 6.49 x 10⁶ g Fe

Step 3: Sig figs

There is only 1 sig fig in this problem.

6.49 x 10⁶ g Fe ≈ 6 x 10⁶ g Fe

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3 years ago
The pollen grains move in water randomly because of
polet [3.4K]
A the collisions between water particles and polllen grains
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2 years ago
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