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aleksandrvk [35]
3 years ago
5

Sodium (na), atomic number 11, has a tendency to lose an electron in the presence of chlorine. after losing the electron, na has

________ protons in its nucleus.
Chemistry
1 answer:
Paha777 [63]3 years ago
3 0
Eleven because protons don’t leave.
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Based on these ideas, what are the pro's and con's for both Sexual Reproduction and Asexual reproduction?
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Asexual
Pro:
1. inexpensive to make offspring (usually make a lot at a time and not invest a lot of time in raising them).
2. Do not need a mate to reproduce.
3. Can rapidly expand a population
Con:
1. genetically identical- prone to extinction because once a parasite has evolved to attack a specific genotype, it can kill them all.
2. Lineages usually don't last longer than a couple thousand years

Sexual:
Pros:
1. Genetically unique- so more likely to create a "successful" offspring
2. Lineages more likely to last hundreds of thousands of years

Cons:
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Hope this helps you.
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3 years ago
A student uses a dye to change the colour of his tee-shirt. he fills a metal bucket with water. When the bucket is heated, what
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Answer:

The particles begin to vibrate faster and more.

Explanation:

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Calculate the delta S rxn at 25 degrees celsius for the reaction 2NH3(g)->>N2H4(g) + H2(g). Do you know where I can find t
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In order to find your answer you need to be <span>measuring entropy, so you will be using the following formula:
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3 0
3 years ago
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alex41 [277]

Answer:

1.  C

2.  C

3.  A

4.  C

5.  True

6.  C

Explanation:

1. C  The answer is conduction because the heat was transferred through direct contact.

2. C  The answer convection because the heat was transferred through a medium (liquid/gas).

3. A  The answer is conduction because the heat was transferred through direct contact.

4. C  The answer is radiation because the heat was transferred through thermal emission.

5. True.  This is because the air that is warmed rises, causing the cool air to replace it.  You can picture it like the scenario in question 2.

6. C  

3 0
3 years ago
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