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MakcuM [25]
3 years ago
9

Why is a lion a tertiary consumer

Chemistry
1 answer:
Mkey [24]3 years ago
6 0

Because they consume prey from all trophic levels beneath them.

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According to the law of conservation of matter, the number of ________ is not changed by a chemical reaction.
Taya2010 [7]
According to the law of conservation of matter, the number of  Atoms<span> is not changed by a chemical reaction. 
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 They're the same before and after a chemical reaction</span>
4 0
3 years ago
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The relationship between molecular velocities and temperature is a _____ relationship.
elixir [45]
The correct answer that would best complete the given statement above would be option 2. <span>The relationship between molecular velocities and temperature is a direct relationship. In other words, their relationship is directly proportional. Hope that this is the answer that you are looking for. </span>
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3 years ago
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If you run this reaction with 15 g of CuCl2 and 20 g NaNO3, what is the theoretical yield of NaCl?
Margaret [11]

The theoretical yield of a substance is the amount of the mass that is calculated from stoichiometry. The mass of sodium chloride produced is 13.03 gms.

<h3>What is mass?</h3>

Mass of the substance is a multiplication of the molar mass and moles.

The balanced reaction is given as:

CuCl₂ + 2NaNO₃ ⇒ 2NaCl + Cu(NO₃)₂

Moles of copper chloride are calculated as: 15 ÷ 134.45 = 0.115 moles

Moles of sodium nitrate are calculated as: 20 ÷ 84.99 = 0.2353 moles

From the reaction, 1 mole of copper chloride gives 2 moles of sodium chloride so, 0.115 moles of copper chloride will produce 0.223 moles.

Similarly, 2 moles of sodium nitrate produce 2 moles of sodium chloride so, 0.2353 moles produce 0.4706 moles.

From this, it can be concluded that copper chloride is a limiting reagent and will be used to calculate the mass of NaCl.

Mass of NaCl is calculated as: Mass = 0.223 moles × 58.44 = 13.03 gms.

Therefore, 13.03 gms is the theoretical yield of sodium chloride.

Learn more about theoretical yield here:

brainly.com/question/1419024

#SPJ1

7 0
1 year ago
But you're so prideful, yeah, prideful
lara31 [8.8K]

Answer:

was there a question you needed help with?

5 0
3 years ago
What is the charge of Fe?
ki77a [65]
It depends on the context iorn is a transition metal so it can hold a charge from 1-8
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