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Ad libitum [116K]
2 years ago
15

A 20 g mixture of propane gas and oxygen is placed in a sealed metal container. An electric spark inside the

Biology
1 answer:
MariettaO [177]2 years ago
5 0

A 20 g mixture of propane gas and oxygen reacts to form carbon dioxide and water. The mass of the reactants and products will remain 20 grams (Lavoisier's law).

<h3>What does Lavoisier's law of mass conservation state?</h3>

The total mass of the reactants and the products does not change over the course of a chemical reaction.

A 20 g mixture of propane gas and oxygen reacts to form carbon dioxide and water.

What is true about the process?

  • The mass of the carbon dioxide and water produced will be less than 20 grams. NO. There is no way of telling. If the reaction is completed, it will be exactly 20 g.
  • The mass of products and reactants will be greater than 20 grams. NO. The mass can't be greater than 20 g.
  • The mass of the carbon dioxide and water produced will be greater than 20 grams. NO. The mass can't be greater than 20 g.
  • The mass of the reactants and products will remain 20 grams. YES. According to Lavoisier, the total mass of the system will be 20 g.

A 20 g mixture of propane gas and oxygen reacts to form carbon dioxide and water. The mass of the reactants and products will remain 20 grams (Lavoisier's law).

Learn more about Lavoisier's law here: brainly.com/question/11429078

#SPJ1

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Answer:

Nucleic Acids

Explanation:

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In this case, among the options given in the question above, we can confirm that if Allen has studied the genetic material of dogs to better understand why there are so many different breeds, he must have studied nucleic acids.

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Phantasy [73]

Answer:

Cofilin binds to older actin filaments

Explanation:

Microfilaments (also called actin filaments) are a class of protein filament common to all eukaryotic cells, which consist of two strands of subunits of the protein actin. Microfilaments form part of the cell's cytoskeleton and interact with the protein myosin in order to allow the movement of the cell. Within the cell, actin may show two different forms: monomeric G-actin and polymeric F-actin filaments. Microfilaments provide shape to the cell because these filaments can depolymerize (disassemble) and polymerize (assembly) quickly, thereby allowing the cell to change its shape. During the polymerization process, the ATP that is bound to G-actin is hydrolyzed to ADP, which is bound to F-actin. ATP-actin subunits are present at the barbed ends of the filaments, and cleavage of the ATP molecules produces highly stable filaments bound to ADP. In consequence, it is expected that cofilin binds preferentially to highly stable (older) filaments ADP-actin filaments instead of ATP-actin filaments.

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PLEASE HELP ASAPPP !!! 15 POINTS !!!
sasho [114]

***see attached pic***

Some helpful tips:

The nucleus is always going to be the big, spherical shape.

The ER is always going to be a weird, folded looking structure attached to the nucleus (rough = has ribosomes on it which are usually represented by little dots, smooth = has no ribosomes on it aka no dots)

The GA looks like the ER but it is not going to be attached to the nucleus like the ER is.

The mitochondria is always going to be pill-shaped and have weird folds inside of it.

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How does cell wall help make a protein?
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Answer:

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The cell wall is porous allowing some substances, including proteins, to pass into the cell while keeping other substances out

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