Explain why biodiversity in an ecosystem is important.

1 answer:

8 0

It reduces the chance of an extinction given a natural disaster. If there is more diversity and lets say a wildfire happens, more species would survive the event to repopulate the area

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If an electron travels at a velocity of 1.000 x 107 m/s and has a mass of 9.109 x 10-28 g, what is its wavelength?

alina1380 [7]

Good luck i don’t even know

3 0

2 years ago

Calculate the relative formula mass (Mr) of gold chloride (AuCl3).

Bas_tet [7]

Answer:

197 + (35.5×3) = 303.5

Explanation:

relative formula mass is the sum of the relative atomic masses of the atoms in the formula ( AuCl3 )

3 0

3 years ago

Identify each of the following household substances as a strong electrolyte, weak electrolyte, or non-electrolyte: salt solution

wolverine [178]

Answer:

Electrolytes are substances that can ionize in water. They could be acids, bases or salts as long as they give ions when they dissolve in water.

Explanation:

Strong electrolytes completely ionize when dissolved in water, leaving no neutral molecules. The strong electrolytes here are: salt water, baking soda (NaHCO3) solution.
Weak electrolytes do not completely dissociate in solution, and hence have a low ionic yield. Examples of this would be vinegar and bleach (which could be sodium hypochlorite or chlorine, which are weakly dissociated).
Non-electrolytes will remain as molecules and are not ionized in water at all. In this case, sugar solution is a non-electrolytes, even though sugar dissolves in water, but it remains as a whole molecule and not ions.

8 0

3 years ago

Which type of reaction does this diagram represent? (picture)

mihalych1998 [28]

Answer:

condensation

Explanation:

5 0

3 years ago

How many liters of a 0.30M solution are needed to give 2.7 moles of solute? Your answer:

OverLord2011 [107]

You HAVE TO know that molarity (M) tells you the number of moles of a solute per Liters of solution.
M=mol/L
0.3M = 2.7 mol/ Volume
Volume = 2.7 mol/3.0 L
Volume = 0.9 L

8 0

3 years ago

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