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2 years ago

Which of the following organisms is reproduced by regeneration?

Chemistry

2 answers:

IrinaK [193]2 years ago

8 0

D. Starfish undergoes regeneration. Regeneration also called binary fission .

scoundrel [369]2 years ago

4 0

Starfish, they break off a part of themselves and then it grows into another starfish, that’s how they reproduce asexually :)

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What happens when an atom forms an ion?

Snowcat [4.5K]

Answer:

An is formed when an atom loses or gains one or more electrons. Because the number of electrons in an ion is different from the number of protons, an ion does have an overall electric charge.

Explanation:

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3 years ago

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Write molecular, complete ionic, and net ionic equations for the reactions that occur, if any, when solutions of the following s

Gnom [1K]

<span>The molecular formula that describes the problem is
2CH3COOH (aq) + Ca(OH)2 (s) ---> Ca(CH3COO)2 (aq) + 2H2O (l)

The net equation is written as follows:
2CH3COOH- (aq) + 2H+ (aq) + Ca(OH)2 (s) ---> Ca2+ (aq) + 2 CH3COO- (aq) + 2H2O (l)
canceling out spectator ions
2H+ (aq) + Ca(OH)2 (s) ---> Ca2+ (aq) + 2 H2O (l)</span>

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3 years ago

Find the celcius equivalent of 133 degrees Kelvin

egoroff_w [7]

Answer:

Explanation:

To convert a temperature from degree Celsius to Kelvin add 273 to the value in degree Celsius

That's

K = 273 + °C

where

K is the temperature in Kelvin

°C is the temperature in degree Celsius

From the question we have

K = 273 + 133

We have the final answer as

Hope this helps you

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2 years ago

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Among animals, what is one major advantage of sexual reproduction compared to asexual reproduction?

zimovet [89]

D: they have new dna combinations

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3 years ago

The weak acid HZ has a Ka of 2.55x10⁻⁴.(a) Calculate the pH of 0.075 M HZ.

Dima020 [189]

<u>2.37</u> is the pH of 0.075 M HZ.

The term pH, which originally stood for "potential of hydrogen" (or "power of hydrogen"), is used in chemistry to describe how acidic or basic an aqueous solution is. Lower pH values are summarized for acidic solutions (solutions with higher H+ ion concentrations) than for basic or alkaline solutions.

The pH scale is inversely indicates to the concentration of hydrogen ions in the solution and is logarithmic.

⇒pH = -log( $a_{H+}$ )

Acidic solutions are those with a pH below 7, and basic solutions are those with a pH above 7, at a temperature of 25 °C (77 °F). At this temperature, solutions with a pH of 7 are neutral (e.g. pure water). The pH neutrality relies on temperature, falling below 7 if the temperature rises above 25 °C.

Learn more about pH

brainly.com/question/12609985

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1 year ago