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lys-0071 [83]
2 years ago
5

Is light and sound matter? why or why not?

Chemistry
1 answer:
Kipish [7]2 years ago
3 0
Light and sound aren't matter because Photons have no mass.
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From previous experiments, this chemical reaction is known to absorb of energy. The position of the piston is monitored, and it
bezimeni [28]

Hello. Your question is missing data, which makes it difficult to answer it with exactness, but I will try to help you in the best possible way.

If the reaction absorbs energy it means that the reaction is endothermic. This is because endortemic reactions are those that absorb energy from the environment, as opposed to exothermic reactions that release energy into the environment.

In that case, if the reaction is absorbing energy, it is appropriate for the water bath temperature to drop.

5 0
2 years ago
The burette is dirty, how does it affect the NaOH?
kodGreya [7K]
If the buret is dirty, it will react with the NaOH in the buret and will cause your concentration to be off.
5 0
2 years ago
The standard curve was made by spectrophotographic analysis of equilibrated iron(III) thiocyanate solutions of known concentrati
posledela

Answer:

Molar concentration of the Fe³⁺ in the unknown solution is 8.01x10⁻⁵M.

Explanation:

When you make a calibration curve in a spectrophotographic analysis you are applying the Lambert-Beer law that states the concentration of a compound is directely proportional to its absorbance:

A = E*l*C

<em>Where A is absorbance, E is molar absorption coefficient, l is optical path length and C is molar concentration</em>

<em />

Using the equation of the line you obtain:

y = 4541.6X + 0.0461

<em>Where Y is absorbance and X is concentration -We will assume concentration is given in molarity-</em>

As absorbance of the unknown is 0.410:

0.410 = 4541.6X + 0.0461

X = 8.01x10⁻⁵M

<h3>Molar concentration of the Fe³⁺ in the unknown solution is 8.01x10⁻⁵M.</h3>

<em />

6 0
3 years ago
Which of the following does pascal's Principle help to explain?
ziro4ka [17]

Answer:

B) hydraulics

Explanation:

4 0
3 years ago
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the red wine is the densest so, it will be on bottom olive oil will be on the top. because its less than the red wine

3 0
3 years ago
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