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solong [7]
3 years ago
8

What evidence from an image of Paramecium indicates whether the organism is a prokaryote or a eukaryote?

Chemistry
1 answer:
Naily [24]3 years ago
8 0
Your answer is B.
<em>Hope this helps... leave a 5-rate and a thanks!</em>
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Describe how transverse waves can be produced on a rope
goblinko [34]
Move your rope up and down and that will create transverse waves.
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3 years ago
A solution is prepared by dissolving 0.23 mol of lactic acid and 0.27 mol of sodium lactate in water sufficient to yield 1.00 L
PtichkaEL [24]

Explanation:

The solution of the lactic acd and sodium lactate is referred to as a buffer solution.

A buffer solution is an aqueous solution consisting of a mixture of a weak acid and its conjugate base, or vice versa. In this case, the weak acid is the lactic acid and the conjugate base is the sodium lactate.

Buffer solutions are generally known to resist change in pH values.

When a strong base (in this case, NaOH) is added to the buffer, the lactic acid will give up its H+ in order to transform the base (OH-) into water (H2O) and the conjugate base, so we have:

HA + OH- → A- + H2O.

Since the added OH- is consumed by this reaction, the pH will change only slightly.

The NaOH reacts with the weak acid present in the buffer sollution.

6 0
3 years ago
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Which example is a weak base? <br> ethyl alcohol, ammonia, potassium hydroxide or vinegar?
BlackZzzverrR [31]

Answer:

potassium

Explanation:

b/c electronegativitu

7 0
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Commercial utilization of microbial products has become increasingly popular due to their environmentally friendly nature. Produ
Stells [14]

Answer: enzymes.

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Microbial products are products derived from microorganisms. They may be primary or secondary metabolites. They are known to be environment friendly since they have biological origin. They are often degraded by enzymes which are also biological molecules. Degradation of materials using enzymes typically generates nontoxic products.

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Where does nitrogen come from
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