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Nitella [24]
2 years ago
6

A cypress tree is the sprout stage. what would you expect to notice when observing this plant?

Chemistry
1 answer:
Anna007 [38]2 years ago
8 0

Answer:

A  mature stem that has thick bark

Explanation:

i dont know but that is what i put on my test but if you had your awnser right tell me

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At STP conditions, 0.25 mole of CO 2 (g), H 2 (g), NH 3 (g) will:
bija089 [108]
 <span>1 mole of any substance contains 6.02 x 10^23 particles. 

Hence 0.25 mole of any has will contain 0.25 x 6.02 x 10^23 molecules of that gas

They cannot contain the same no. of atoms as 1 molecule of CO2 contains 3 atoms, 1 molecule H2 contains 2 molecules, and 1 molecule of NH3 contain 4 atoms

1 molecule of any gas will occupy 22.4 L at STP

hence 0.25 mol of all of these gases accupy the same volume

all of these molecules have different molar masses. thus their g.f.w cannot be same

Your answer is that they will occupy the same volume, and the same number of molecules</span>
3 0
2 years ago
when a substance undergoes combustion and carbon completely it produces carbon monoxide and water true or false ​
eimsori [14]

False

complete combustion produces carbon dioxide + water

6 0
2 years ago
A solution is prepared by mixing 50.0 mL of 0.50 M Cu(NO3)2 with 50.0 mL of 0.50 M Co(NO3)2. Sodium hydroxide is added to the mi
vekshin1

Answer:

Cu(OH)₂ will precipitate first, with [OH⁻] = 2.97x10⁻¹⁰ M

Explanation:

The equilibriums that take place are:

Cu⁺² + 2OH⁻ ↔ Cu(OH)₂(s)   ksp = 2.2x10⁻²⁰ = [Cu⁺²]*[OH⁻]²

Co⁺² + 2OH⁻ ↔ Co(OH)₂(s)   ksp = 1.3x10⁻¹⁵ = [Co⁺²]*[OH⁻]²

Keep in mind that <em>the concentration of each ion is halved </em>because of the dilution when mixing the solutions.

For Cu⁺²:

2.2x10⁻²⁰ = [Cu⁺²]*[OH⁻]²

2.2x10⁻²⁰ = 0.25 M*[OH⁻]²

[OH⁻] = 2.97x10⁻¹⁰ M

For Co⁺²:

1.3x10⁻¹⁵ = [Co⁺²]*[OH⁻]²

1.3x10⁻¹⁵ = 0.25 M*[OH⁻]²

[OH⁻] = 7.21x10⁻⁸ M

<u>Because Copper requires less concentration of OH⁻ than Cobalt</u>, Cu(OH)₂ will precipitate first, with [OH⁻] = 2.97x10⁻¹⁰ M

3 0
3 years ago
What is the chemical name of the compound Cu2CO3?
telo118 [61]
<span><span>Copper(I) Carbonate is the answer</span></span>
8 0
3 years ago
Read 2 more answers
question 7 a data analyst is creating a visualization in tableau public. they want to keep it private from other users until it
Leona [35]

To keep the data private from the public, the user should use the c)eye icon.

The Eye icon helps users to keep their visualizations private from other users. When clicked, it makes the visualization inaccessible to other users.

This helps ensure that the visualization is only visible to the user who created it and not to anyone else. Additionally, the Eye icon also helps prevent accidental deletion or modification of the visualization.

When the visualization is private, it is not visible to other users until the Eye icon is clicked again to make the visualization public. This makes it easier for the user to control who can access their visualization and helps protect their data.

Therefore, the correct option is c and the icon is the eye.

To know more about data science and interpretation, click below:

brainly.com/question/13104055

#SPJ4

7 0
1 year ago
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