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balu736 [363]
3 years ago
11

Of the animals in the bottom row, which one is most likely to be a keystone species?

Chemistry
1 answer:
Ne4ueva [31]3 years ago
6 0

Answer:

Deer

Explanatio

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Give below are the four mixtures. Choose the correct one which can be separated by winnowing. (i) soybean and chickpeas (ii) whe
victus00 [196]

Answer:

Banana wafers and chips

Explanation:

Winnowing is the process of separating heavier and lighter components of a mixture by blowing air through the mixture. This implies that the relative weight of the particles in the mixture determines whether they can be separated by winnowing or not.

However, chips are heavier than wafers. wafers refer to a very light snack which is easily blown away by a current of air. Hence banana chips and wafers can be separated using the method of winnowing.

4 0
3 years ago
What is an anyhdride?
Varvara68 [4.7K]

Answer:

Anhydride, any chemical compound obtained, either in practice or in principle, by the elimination of water from another compound. Examples of inorganic anhydrides are sulfur trioxide, SO3, which is derived from sulfuric acid, and calcium oxide, CaO, derived from calcium hydroxide

Explanation:

<h3><em><u>examples</u></em><em><u>.</u></em></h3>

1)acid anhydride.

2)basic anhydrides.

<h3><em><u>reactions</u></em><em><u>. </u></em></h3>

1)reaction with water

(CH3CO)2O + H2O → 2 CH3CO2H.

4 0
3 years ago
A substance is classified as an electrolyte because
liq [111]
The answer is (3) its aqueous solution conducts an electric current. The definition of electrolyte is a substance that will ionize when dissolved in suitable ionizing solvents such as water.
8 0
3 years ago
What would you predict about a chemical that has a hydrogen ion concentration of 1×10 to the -12 power M
boyakko [2]
You can predict its acidity (pH).

The formula for pH is: pH = log { 1 / [H+] } = log { 1 / (1*10^-12) }

=> pH = log {10^12} = 12.

Remember that acids have pH between 1 and less than 7 and basic compounds have pH greater than 7 and less than 14.

So, you can predict that this product is a base (alkaline).
7 0
3 years ago
a graduated cylinder has 35.0 mL of water in it before and object is dropped inside. The new volume is 38.5 mL. What is the volu
zlopas [31]
Displaced volume:

final volume - <span>initial volume

1 mL = 1 cm</span>³<span>

38.5 mL - 35.0 mL = 3.5 cm</span>³

hope this helps!
7 0
3 years ago
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