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Thepotemich [5.8K]
3 years ago
8

Suggest why the relative atomic mass of chlorine is not a whole number

Chemistry
1 answer:
alex41 [277]3 years ago
4 0

Answer:

Chlorine's atomic mass is not a whole number because it is a isotope (37 and 35)

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Research to find out 5 uses of magnets in our daily life in medical contexts, route finding, security, sorting steel from other
bearhunter [10]

Answer:

Medical: Magnets are used for the RMN, which uses waves and magnets to create images of the body, this process is really complex because is deeply related to quantum mechanics, so i will not dive in the topic.

Security: You can attach a magneto to a sensor, and when the magnet detects a metal, a current flows to the sensor and it can make a noise. This system is used to detect if someone has something of metal (like a knife for example) and a similar system is used to detect land mines or metals under the ground, which can be related to "route finding".

Sorting steel: When you have a mix of different metals, some of them will be attracted to the magnet and others not. An example where this is used is when you have a piece of steel with impurities, you can melt it and use a magnet to only grab the steel and leave most of the impurities.

Recycling. Big magnets are used to manage large pieces of steel that may be difficult or dangerous to handle by hand, for example. in order to move old cars and objects of similar size of steel, a big magnet is used.

Music: Modern instruments like electric guitars or electric basses, use magnets in the pickups: The magnet detects the movement of the strings, and this creates a current in a copper wire that is winded around the magnets, and that current then is transformed into sound by the amplifier.

4 0
3 years ago
Some pure calcium carbonate is made to react completely with 100cm3 Hydrochloric acid of unknown concentration. 120cm3 of carbon
Kisachek [45]

Answer:

Explanation:

as we know that 1dm3 =1000cm3

therefore x dm3 =120 cm3

1000X =1*120

X dm3 =120/1000=0.12

so 120 cm3 =0.12 dm3

now the number of moles of carbon dioxide at RTP is

moles =given volume(dm3)/standard volume at RTP

moles=0.12dm3/24

moles =5*10^-3

3 0
3 years ago
Calculate the ph of a 0.30 m cocl3 solution. the ka value for co(h2o)63 is 1.0 ✕ 10-5.
astraxan [27]
I think the answer is 5 ??
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3 years ago
Consider four different samples: aqueous LiBr, molten LiBr, aqueous LiF, and molten LiF. Current run through each sample produce
Verizon [17]

Answer:

Following are the solution to the given question:

Explanation:

Please find the matching in attached file.

During the electrolysis of Molten LiBr : Li is reduced and Br are oxidized .

Lithium Metal is produced at the Cathod during the electrolysis of Molten LiBR .

In the aquous LiBr : In aquous LiBr potential of Li is greater than the of water then Li is reduced to produce solid Li ion.  As well As aqueous LiF ( electrolysis)and Molten LiF electrolysis produce the gas.  

aqueous LiF: Oxygen gas.

Molten LiF : Flourine gas.  

5 0
3 years ago
The properties of matter depend on the types of atoms a substance is made of.<br> true of false?
Irina18 [472]
False pls mark brainliest
4 0
3 years ago
Read 2 more answers
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