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KATRIN_1 [288]
2 years ago
13

A student was synthesizing aspirin in the laboratory. Using the amount of limiting reactant, she

Chemistry
1 answer:
Igoryamba2 years ago
4 0

Answer:

mnbnm

Explanation:mnmjn,m bnm

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CAN SOMEONE PLEASE HELP ME I would appreciate it so much <br><br> Lab:Charles Law Data
Alex17521 [72]
That is data that you have to collect tho it depends on the experiment assigned by your teacher...
4 0
3 years ago
The student plans to conduct a spectrophotometric analysis to determine the concentration of Cu2+(aq) in a solution. The solutio
mestny [16]

Answer:

The wavelength the student should use is 700 nm.

Explanation:

Attached below you can find the diagram I found for this question elsewhere.

Because the idea is to minimize the interference of the Co⁺²(aq) species, we should <u>choose a wavelength in which its absorbance is minimum</u>.

At 400 nm Co⁺²(aq) shows no absorbance, however neither does Cu⁺²(aq). While at 700 nm Co⁺²(aq) shows no absorbance and Cu⁺²(aq) does.

7 0
2 years ago
PLEASE help!!
Alina [70]

Answer:

<h3>KBr + I- ---------> KI + Br-</h3>

Explanation:

Single Displacement reaction is a chemical Reaction in which one element in the salt is replaced with another element

for example,

A-B + C -------> A-C + B

electropositive replaces only electropositive elements from compound. same is true for electronegative element

in first reaction I being electro negative replaces Br from KBr so this is a single displacement reaction

5 0
3 years ago
Why do some elements form double and triple bonds during bonding
jekas [21]

Explanation:

Elements need a total of eight electrons to gain stability and look like a noble gas. So, they sometimes need sharing of two, four or even six electrons to complete their octate. So, they form double and triple covalent bonds. One more  the reason is the  interaction between the p orbitals of the combining atoms. for example  A double bond, as in ethene H2C=CH2, arises from one combination of the s orbitals and one combination of the p_y orbitals.

4 0
3 years ago
What does an aluminum atom become when it loses its three valence electrons? a?
Artist 52 [7]
Aluminum atomic number 13 becomes Neon with an atomic number of 10 when it loses three valence electrons.
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