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Elden [556K]
3 years ago
9

What is metaphase HELEPWOAUSJSKQJDHEHR

Chemistry
1 answer:
IrinaVladis [17]3 years ago
5 0

Answer:

the second stage of cell division. its between prophase and anaphase during the chromosomes become attached to spindle fibers.

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Elements in the periodic table are arranged in columns or
lutik1710 [3]
Maybe by protons i forgot how to spell it :(
3 0
3 years ago
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How are subatomic particles measured?
DiKsa [7]

subatomic particles are measured using amu (atomic mass unit)

<em>hope this helps!</em>

<em>have a great day :)</em>

7 0
3 years ago
Name the compound formed when a copper cation that has a 2+ charge combines with a bromine anion that has a 1- charge.
Lynna [10]
The compound that is formed when a copper cation and a bromine anion reacts would be Copper (II) bromide. It will have a chemical formula CuBr2. This reaction is a synthesis reaction where two substances reacts to form one product.
6 0
3 years ago
Read 2 more answers
Can someone please help me with this ASAP, this is due today, please please help me with this.
hichkok12 [17]

Answer:

this is fairly simple if you have a periodic table with you.

Explanation:

atomic number 17 is Cl mass numer is 35.45 for protons neutron and electron you can just look that up on google. atomic number is where it is at on the periodic table and the mass number is in the little square at the bottom.

5 0
2 years ago
Calculate the mass of Cr(ClO2)2 that contains 5.57 × 10<br> ^22 chlorine atoms.
Anna007 [38]

Answer:

Explanation:

Your strategy here will be to

use the chemical formula of carbon dioxide to find the number of molecules of

CO

2

that would contain that many atoms of oxygen

use Avogadro's constant to convert the number of molecules to moles of carbon dioxide

use the molar mass of carbon dioxide to convert the moles to grams

So, you know that one molecule of carbon dioxide contains

one atom of carbon,

1

×

C

two atoms of oxygen,

2

×

O

This means that the given number of atoms of oxygen would correspond to

4.8

⋅

10

22

atoms O

⋅

1 molecule CO

2

2

atoms O

=

2.4

⋅

10

22

molecules CO

2

Now, one mole of any molecular substance contains exactly

6.022

⋅

10

22

molecules of that substance -- this is known as Avogadro's constant.

In your case, the sample of carbon dioxide molecules contains

2.4

⋅

10

22

molecules CO

2

⋅

1 mole CO

2

6.022

⋅

10

23

molecules CO

2

=

0.03985 moles CO

2

Finally, carbon dioxide has a molar mass of

44.01 g mol

−

1

, which means that your sample will have a mass of

0.03985

moles CO

2

⋅

44.01 g

1

mole CO

2

=

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

∣

∣

a

a

1.8 g

a

a

∣

∣

−−−−−−−−−

The answer is rounded to two sig figs, the number of sig figs you have for the number of atoms of oxygen present in the sample.

3 0
2 years ago
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