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VARVARA [1.3K]
4 years ago
10

PLEASE HELP ME!

Chemistry
2 answers:
pickupchik [31]4 years ago
7 0

Answer:

Nucleus

Explanation:

structure 2 is the nucleus of the animal cell. Its contains the genetic materials of the cell. It also control the overall process of the cell

lapo4ka [179]4 years ago
6 0
Structure 2 is the nucleus. 
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What mass of copper is consumed in the reaction with hydrochloric acid if 10.0 g of gas is collected?
brilliants [131]

Answer:

317 g

Explanation:

Cu + 2HCl --> CuCl2 +H2

1      :     2           1 : 1

1 mole of Cu  = 63.5 g

1 mole of  H2 = 2g

1 mole  Cu produces = 1 mole of H2

63.5 g of Cu produces = 2 g of H2

So

10 g of H2 will be produced from =  (63.5/2)*10 = 317 g of Copper

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3 years ago
What is one way humans can preserve biodiversity
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Reducing the amount of water you use, by having a 5-minute shower or not running the water when washing up the dishes, can help protect vital wetlands. Plant scientists are also working to help conserve by developing crop varieties that use less water.

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2 years ago
Which functional group occurs in the monomers of addition polymers? How are these polymers different from one another?
mafiozo [28]

Addition Polymerization reaction also known as chain Polymerization reaction. Monomers must contain double bond as a functional group.

<h3>What is Polymerization Reaction? </h3>

The chemical reaction which involves the addition of monomers to form higher molecular mass molecules is known as polymerization. There are two basically two types of polymerization, one is chain-reaction (or addition) and the other is step-reaction (or condensation) polymerization.

<h3>Chain-reaction (addition) polymerization</h3>

One of the most common and important types of polymer reactions is chain-reaction (addition) polymerization. This type of polymerization involves three step process including two chemical entities. The first which is known simply as a monomer. It is initially exists as simple units. Normally in all cases, the monomers must have at least one carbon-carbon double bond. Ethylene is one of the best known example of a monomer which is used to make a common polymer.

<h3>Step-reaction (condensation) polymerization </h3>

It is second type of polymerization reaction. This polymerization method is used to produce polymers having lower molecular weight as compared to chain reactions and requires higher temperatures to occur.

In this type of reaction, monomers must have two functional group.

Thus, we concluded that the Monomers must contain double bond as a functional group in addition Polymerization reaction.

learn more about Polymerization reaction:

brainly.com/question/7025919

#SPJ4

8 0
2 years ago
At what temperature,in degrees°C, would 12.6g of HCN occupy 13.3L if the pressure is 0.97 atm​
Flura [38]

Answer:

63.5°c

Explanation:

almost postive this is right

5 0
4 years ago
Read 2 more answers
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