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Alex_Xolod [135]
3 years ago
7

Investigate why some element’s symbols derived from their old names.

Chemistry
1 answer:
Gekata [30.6K]3 years ago
3 0

Answer:

you know just in order to bring that nostalgia into chemists minds

Explanation:

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In the first step of the reaction, which compound is the limiting reagent: sodium hydroxide or the nucleophile
anastassius [24]
Since the nucleophile is the actual attacking molecule or molecule that starts the reaction and allows for further steps in the mechanism to occur, it is the limiting reagent, as based on the amount of the nucleophile you have, the reaction will tend to proceed until you run out. The excess would be the sodium hydroxide, it is union part of the solution.
5 0
3 years ago
Electromagnetic waves are used in many technological devices. Describe two examples of how energy from electromagnetic waves is
kykrilka [37]

Answer:

Electromagnetic waves are ubiquitous in nature (i.e., light) and used in modern technology—AM and FM radio, cordless and cellular phones, garage door openers, wireless networks, radar, microwave ovens, etc. These and many more such devices use electromagnetic waves to transmit data and signals.

Explanation:

i mean there's alot of stuff that have Electromagnetic waves in it i mean alot!

3 0
3 years ago
Write the chemical formula of the following:
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Answer:

1.Ca(OH)2

2.Mg(OH)2

3.Al2SO4

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8. K2CO3

9.MgSO4

10.Ca3(PO4)2

5 0
3 years ago
Calculate the mass in grams of iodine (i 2 ) that will react completely with 20.4 g of aluminum (al) to form aluminum iodide (al
garik1379 [7]
3I₂ + 2Al → 2AlI₃

m(I₂)=3M(I₂)m(Al)/{2M(Al)}

m(I₂)=3*253.8*20.4/{2*27.0}=287.64 g
8 0
3 years ago
What mass of aluminum chloride could be made from 8.1 g of aluminum and 4.2 L of chlorine at STP?
posledela
In this problem Al metal is a limiting reactant as it is present in less amount as compared to chlorine gas, Hence, controls the formation of ALCl3. So, the amount of AlCl3 produced is 40.05 grams. Solution is as follow,

3 0
3 years ago
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