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Gwar [14]
2 years ago
14

5. I have a mixture of salt, water,

Chemistry
1 answer:
dolphi86 [110]2 years ago
7 0

Iron is left in the filter and salt solution (salt and water) passes into the cup.

Hope it helps

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A 0.600-L sample of a 3.75M solution of potassium iodide (KI) contains what mass of KI?
Sergeeva-Olga [200]

the molarity of a solution made by dissolving 5.67 g of potassium chloride in enough water to make 100.0 mL of solution.

3 0
2 years ago
Explain the environmental benefits of recyling paper products.
jenyasd209 [6]

Answer:

hi

Explanation:

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5 0
3 years ago
A sample of methane occupies a volume of 370.0 ml at 25 oC and exerts a pressure of 1020 mm Hg. If the volume is allowed to expa
vagabundo [1.1K]

Answer:

744.9 mmHg ≅ 745 mmHg

Explanation:

The base to solve this, is the Ideal Gases Law. The mentioned formula is:

P . V = n . R . T

To compare two situations, we can propose:

For the first situation P₁ . V₁ = n₁. R . T₁

For the second situation P₂ . V₂ = n₂ . R . T₂

As the sample has the same moles and R is a constant value, we can avoid them so: (P₁ . V₁) / T₁ = (P₂ . V₂) / T₂

We need to make Tº unit conversion:

25ºC + 273 = 298K

We replace data → (370 mL . 1020 mmHg) / 298K = (P . 510 mL) / 300 K

(377400 mL.mmHg / 298K) . 300 K = P . 510 mL

379932.8 mL . mmHg = P . 510 mL

(379932.8 mL . mmHg) / 510 mL = P → 744.9 mmHg

7 0
2 years ago
What is the volume occupied by 6.0 moles of carbon dioxide gas at standard conditions of temperature and pressure
aliina [53]

Answer: 134.4 L

Explanation:

it just is

3 0
3 years ago
6CO2 + 6H2O → C8H12O6 + 602
maxonik [38]

Answer:

B. One element and one compound

Explanation:

O2 is a diatomic element: "are pure elements that form molecules consisting of two atoms bonded together"

*there are 7 types of diatomic elements

and...

C8H12O6 is a compound

Chemical Compound can be described as  "a chemical substance composed of many identical molecules composed of atoms from more than one element held together by chemical bonds"

8 0
3 years ago
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