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Blizzard [7]
3 years ago
5

Use the E0 values of the following elements: Zn, Cu, Pb, and Al. Which element is the most active reducing agent?

Chemistry
1 answer:
Alenkinab [10]3 years ago
5 0

Answer:

Al

Explanation:

The reduction potentials of the metals are

Al= -1.66

Zn= -0.76

Cu= +0.34

Pb= -0.13

Hence All has the most negative reduction potential and is the most reducing element among all the elements listed.

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Explain why more iron filings are located at the ends of the magnet than at
zvonat [6]

Answer:

Inside the bar magnet, the B is actually stronger at the centre (like in the case of a solenoid). Outside the bar magnet, B is small near the centre since there are very less open field lines there. ... A magnet has attracted iron pieces for many times your welcome XD

Explanation:

6 0
3 years ago
Using the HH eq. calculate the amounts (masses) of sodium phosphate monobasic monohydrate (NaH2PO4 H2O) and sodium phosphate dib
pishuonlain [190]
Drop out my dude whatever this is ain’t worth it
4 0
3 years ago
A student weighs 0.347 g of KHP on a laboratory balance. The KHP was titrated with NaOH and the concentration of the NaOH determ
V125BC [204]

Answer:

Following are the solution to the given question:

Explanation:

Each method through KHP is somewhat more precise since we have weighed that requisite quantity, we exactly know the KHP intensity appropriately. Its initial 6 M HCl concentration was never considered mandatory. They have probably prepared 6 M HCl solution although long ago and could have changed its concentration over even a period.

3 0
3 years ago
Calculate the freezing point of a 12.25 m 12.25m aqueous solution of propanol. Freezing point constants can be found in the list
vichka [17]

Answer:

∆t(f) = 49.755C

Explanation:

Freezing point is defined as the point in which a liquid changes from liquid to solid state. Therefore, to calculate the freezing point of aqueous solution of propanol

∆t = k × I × m

Where k is cryscopic constant =

I = vant Hoff factor = 2

M = molar concentration = 12.25m

∆t (f) = 1.9 × 12.25 × 2 = 49.755C

5 0
4 years ago
You respond to a highway incident in which a road trailer has turned onto its side and is heard to be leaking. You can see the p
tino4ka555 [31]

Answer:

The correct answer is propane.

Explanation:

The movement of chemicals follows numerous standards, which indicate that each trailer must contain an ID number identifying the chemical being moved. This is necessary because before possible accidents and leaks we must know the measures to be taken before a leak.

Have a nice day!

8 0
3 years ago
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