What is a key element found in CO2 and glucose?

Answers

Answer 1

Answer: Carbon is the only possible solution in this question for the reason that the chemical formula for glucose is c6h12o6 (6, 12 and 6 underscore) and carbon dioxide is co2. Both of the chemical formula contains carbon that is why that is the main element.

Answer 2

Answer: yes, CARBON is the correct answer

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Pls Help! I have to come up with a funny name for my science project on growing mold on bread any ideas? oh and it cant be too long

Answers

the laser potato would be a good one

the laser photo go with that

Why is density a characteristic property of matter?

Answers

The density is specific, because each type of matter has a value for the density, being then used to identify the type of matter, like any other type and property specifies. For example water has density 1 g/mL, and no other kind of matter has this value for density.

hope this helps!

How many liters of O2 gas will be produced at STP from 4 moles of KC1O3

Answers

Answer:

V = 134.5 L

Explanation:

Given data:

Number of moles of KClO₃ = 4 mol

Litters of oxygen produced at STP = ?

Solution:

Chemical equation:

2KClO₃ → 2KCl + 3O₂

Now we will compare the moles of KClO₃ with oxygen.

KClO₃ : O₂

2 : 3

4 ; 3/2×4 = 6 mol

Litters of oxygen at STP:

PV = nRT

V = nRT/P

V = 6 mol × 0.0821 atm.L/mol.K × 273 K / 1atm

V = 134.5 L / 1

V = 134.5 L

Whats is a chemical change of a paper bag

Answers

Burning it. That causes a chemical reaction.

Combustion will cause a chemical change in paper.

This is because the carbon compounds are being oxidized into carbon dioxide and water vapour (or h2o, same thing).

Explain whether smoke filling up a room is diffusion or not.

Answers

yes it is diffusion ..
explanation :
diffusion is the movement of particles from high concentration to low concentration ..
as the smoke rises at one corner of the room soon it spreads all over the room which is simply diffusion ..

Yes this is diffusion because diffusion is the movement of particles from high concentration to low concentration, so when smoke go up in one corner then the smoke goes all over the room which is diffusion.

What property must a solid have to be considered a crystalline solid

Answers

The atoms of the solid have to form a crystalline structure, which means that they have an ordered configuration that is the same throughout the entire solid.

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