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2 years ago

When bacteria reproduces asexually are the offspring uniform or diverse?

Chemistry

2 answers:

swat322 years ago

8 0

Diverse offspring because when two individuals is combined to produce genetically diverse offspring.

mario62 [17]2 years ago

4 0

Answer:

Reproduction may be asexual when one individual produces genetically identical offspring, or sexual when the genetic material from two individuals is combined to produce genetically diverse offspring.

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A 20.0 gram sample of an element contains 4.95 x 1023 atoms. what is the element?

Sonja [21]

You will want to find how many grams are in a whole mole so you know which element it is. To do this, find out how much of a mole you have.

4.95 x 10^23 atoms / 6.022 x 10^23 atoms (one whole mole of any element) = .8219860511 or ~82% of 1 mole

Now we know that, find what to multiply 20 g by to get the rest of the mole.

1 mole / .8219860511 mole = 1.216565657

20 g x 1.216565657 = ~24.33 g / mol

Now that you have grams per mole, you can look at the periodic table and the molar masses to see which this number is closely aligned.

Your answer is Magnesium (Mg), which has a molar mass of 24.305 g

7 0

2 years ago

Does anyone know what Hydrogen's oxidation state would be if it was acting as an anion non-metal?

Ilia_Sergeevich [38]

Answer:

yeah,The oxidation state of an atom does not represent the "real" charge on that atom, or any other actual atomic property.Hydrogen has OS = +1, but adopts −1 when bonded as a hydride to metals or metalloids. Oxygen in compounds has OS = −2. This set of postulates covers .

Explanation:

3 0

2 years ago

A substance with a high pOH would likely have which of the following?

Anna [14]

Answer: a low $OH^-$ and low pH.

Explanation:

pH is the measure of acidity or alkalinity of a solution.

pH is calculated by taking negative logarithm of hydrogen ion concentration.

$pH=-\log [H^+]$

$pOH=-log[OH^-]$

$pOH=log\frac {1}{OH^-}$

Thus as pOH and $OH^-$ are inversely related, a solution having higher pOH will have less amount of $OH^-$ concentration. And a solution having more pOH will have less pH.

Thus a substance with a high pOH would likely have low $OH^-$ concentration and low pH.

8 0

2 years ago

Read 2 more answers

if a television with mass 15kg is lifted to a shelf of height 1.2m, how much gravitational potential energy is added to the tele

belka [17]

P =mgh

You have mass, g =9.8 m/s2 and height calculate the potential energy P

6 0

3 years ago

Why is the organization of the periodic table by physical properties not very useful?

OverLord2011 [107]

Answer:

It shows no regular pattern

Explanation:

Physical properties of an element are those we can observe and feel with our senses. Also, the use special equipment can enhance our perception of these properties.

The same physical property can be shared different number elements.
On the periodic table, all the elements in group 1 and 2 are metals.
This is not very useful for scientists whose emphasis is to distinguish one atom from the other.
Therefore, physical properties are highly limited in the organization of the periodic table.

7 0

3 years ago