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GrogVix [38]
3 years ago
5

The rate of chemical changes (how fast they occur) can depend on several factors. What are two factors that can influence the ra

te of a chemical change? Explain how these factors might affect chemical changes.
Chemistry
1 answer:
bazaltina [42]3 years ago
6 0

Answer:

surface area of a solid reactant.

concentration or pressure of a reactant.

temperature.

nature of the reactants.

presence/absence of a catalyst.

Explanation:

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Alexus [3.1K]

There is no list, but possibly evaporation.

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2 years ago
It is becoming less expensive to screen blood samples for DNA. Certain diseases have a genetic basis. What is a possible ethical
sveta [45]

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The answer you would be looking for is option A because all of the other options are either false, or beneficial to us, and i took the test. Thanks

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. Blood should NOT be stored in which way? As a scraping Dried on a swab In an airtight container Dried on the object
notsponge [240]

Blood should NOT be stored in an airtight container

<h3>Explanation:</h3>

We can store blood by dried it on a swab. To collect the dried blood, we should moisten a sterile cotton swab using distilled water or tap water, then shake the swab to remove excess water. Gently swab the stain with the moistened swab tip until the swab thoroughly absorbs the blood.

We can store blood also in the dried blood stains and as a scraping. The fresh collected blood, dried blood stains, wet blood stains are contained the DNA.

Airtight containers are the plastic used to make the durable containers and it is free from BPA and has been graded to be safe to be used with food supplies. ​The lid of this container has an innovative airtight mechanism which helps to maintain the airtight environment inside the container.

According to book "Criminal Investigation" By Ronald F. Becker on page 114, the airtight containers can cause condensation of moisture within the container and result in bacteria that can destroy, alter or contaminate the blood.

Blood components should be stored at temperatures storage in accordance with the requirements listed. Failure to follow correct storage requirements result in decreased transfusion efficacy

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3 0
3 years ago
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Alcohol consumption can do all of the following things except ______________________________.
Sonja [21]

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Increase blood flow to the hands and feet

Explanation:

6 0
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A flask contains a mixture of hydrogen gas and water vapor at STP. If the pressure of the water vapor is 19.5 mmHg, then what is
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I would say A but not sure

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