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The _____ is the organelle that recycles unneeded molecules

Aneli [31]

Answer: Lysosomes

Explanation: The lysosome is an organelle that contains digestive enzymes and acts as the organelle-recycling facility of an animal cell. It breaks down old and unnecessary structures so their molecules can be reused. Lysosomes are part of the endomembrane system, and some vesicles that leave the Golgi are bound for the lysosome.

4 0

3 years ago

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How could you separate a mixture of sulfur, gold and ethanol? <br>

stira [4]

Answer: Dissolve it

Explanation:

3 0

3 years ago

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What is the 4 methods that can be used to separate mixtures?

SCORPION-xisa [38]

<span>Separating mixtures can be done in many ways. One of these methods is the physical methods which include, filtration, crystallization, distillation, and chromatography.

Since mixtures come in a lot of forms and many phases, some of them cannot be separated through the first physical methods. The methods of separating mixtures depend on the kind of mixture. Other common separation methods include fractional distillation which is similar to simple distillation method, magnetism, which is ideal for mixtures whose one part has magnetic properties and separating funnel, an ideal technique used to separate immiscible liquids..</span>

3 0

3 years ago

A solution is prepared by mixing 0.0300 mol CH2Cl2 and 0.0500 mol CH2Br2 at 25 degrees C. Assuming the solution is ideal, calcul

Vinil7 [7]

Answer:

CH2Cl2 mole fraction = 0.833

CH2Br2 mole fraction = 0.167

Explanation:

Step 1: Data given

Number of moles CH2Cl2 = 0.0300 moles

Number of moles CH2Br2 = 0.0500 moles

Temperature = 25 °C

Vapor pressure of pure CH2Cl2 = 133 torr

Vapor pressure of pure CH2Br2 = 11.4 torr

Step 2: Calculate mol fraction in solution

Mol fraction CH2Cl2 = 0.0300 moles / (0.0300 + 0.0700)

Mol fraction CH2Cl2 = 0.300

Mol fraction CH2Br2 = 0.0700 moles / (0.0300 + 0.0700)

Mol fraction CH2Br2 = 0.700

Step 3: Calculate partial pressure

Partial pressure CH2Cl2 = 133 torr * 0.300 = 39.9 torr

Partial pressure CH2Br = 11.4 torr * 0.700 =7.98 torr

Step 4: Calculate the total pressure

total pressure = 39.9 + 7.98 = 47.88 torr

Step 5: Calculate mol fraction

partial pressure / total pressure = mole fraction

CH2Cl2 mole fraction = 39.9 / 47.88 = 0.833

CH2Br2 mole fraction = 7.98 / 47.88 = 0.167

3 0

3 years ago

Elements are arranged in groups by similar atomic structure on the periodic table. This allows for an element's properties to be

neonofarm [45]

Answer:

The change in energy when a neutral atom in the gaseous state adds an electron to form a negative ion.

Explanation:

That is, it is the energy involved in the reaction

X(g) + e⁻ ⟶ X⁻(g)

For most elements, the electron affinity is negative.

However, there are two major exceptions — the values are positive for the elements of Groups 2 and 18 (note the troughs in the graph below).

3 0

4 years ago