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Leto [7]
2 years ago
6

A small container is filled with liquid water. What can happen if the container of water is an open system that couldn’t happen

if it were a closed or isolated system?
The temperature of the water can be raised.
Evaporation can decrease the amount of water.
Dust from the surroundings can enter the water.
The water can freeze if the surrounding temperature decreases sufficiently.
Water can spill from the container.

SELECT ALL THAT APPLY
Chemistry
2 answers:
viva [34]2 years ago
7 0

Answer: B, C, and E (On Plato).

Explanation: All of those things can happen in an open container but not a closed container.

IgorC [24]2 years ago
4 0

Here we have to choose the correct statements which are applicable and also not applicable for a water in an open system and in an isolated system.

If the liquid water is an open system then the following statements are applicable:

Evaporation can decrease the amount of the water.

Dust from the surroundings can enter the water.

The water can freeze if the surrounding temperature decrease sufficiently.

Water can spill from the container.

If the liquid water is a closed or isolated system then the following statements are applicable:

The water can freeze if the surrounding temperature decrease sufficiently.

If the liquid water is a closed or isolated system then the following statements are not applicable:

Dust from the surroundings can enter the water.

Water can spill from the container.

Evaporation can decrease the amount of the water.

The water in open system means it will come easily in contact with the surroundings. Whereas if is in a close or isolated system then it will not come in contact with the surrounding.  

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Mkey [24]

Answer:

1. is true  

Explanation:

The solubility rules apply only to salts, which are ionic compounds.

2. is false. A strong electrolyte is a salt that dissociates completely in solution. Not all salts dissociate completely. For example, a 0.36 mol·L⁻¹ solution dissociates as:

K₂SO₄ ⟶ K⁺   + KSO₄⁻ (30 %) + SO₄²⁻

Thus, K₂SO₄ does not dissociate completely into K⁺ and SO₄²⁻ ions.

3. is false. The solubility rules apply only to aqueous solutions.

7 0
2 years ago
In the formula XSO4 the symbol X could represent the element
nexus9112 [7]
<span>The hint here is to look at the anion of the compound. That is the polyatomic ion, sulfate or SO4. It has a charge of -2. Since the compound does not show any subscript, then it means that the cation must have a charge of +2 for it to be cancelled out. Hence, the elements that can represent X are the elements that have a +2 charge like Fe, Ca, Ba, Mg, Zn, etc.</span>
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You decide to establish a new temperature scale on which the melting point of ammonia (-77.75 ∘c) is 0∘a, and the boiling point
Hoochie [10]
First we need to know that the boiling point of water in C is 100 and we just need to solve for x in the equation:

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7 0
2 years ago
Read 2 more answers
1. Which two groups of elements in the periodic table are the most reactive?(1 point) A) alkali metals and halogens B) alkaline
tatyana61 [14]

Answer:

Explanation:

1) alkali metals and halogens as alkalis have 1 electron they need to get rid of in order to gain a full outer shell of electrons and the halogens have to gain 1 electron.

2) they have the same number of electrons on the outer shells

3)they usually have high melting points

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4 0
2 years ago
Write a nuclear equation to describe the spontaneous fission of 95 244 Am to form I-134 and Mo-107. Determine how many neutrons
MissTica

<u>Answer:</u> 3 neutrons are produced in the above nuclear reaction.

<u>Explanation:</u>

In a nuclear reaction, the total mass and total atomic number remains the same.

The nuclear reaction for the fission of Americium-244 isotope follows:

^{244}_{95}\textrm{Am}\rightarrow ^{134}_{53}\textrm{I}+^{107}_{42}\textrm{Mo}+Y^1_0\textrm{n}

<u>To calculate Y:</u>

Total mass on reactant side = total mass on product side

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Hence, 3 neutrons are produced in the above nuclear reaction.

4 0
2 years ago
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