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Anika [276]
3 years ago
13

Which of these does not describe a form of electomagnetic radiation?

Chemistry
1 answer:
-BARSIC- [3]3 years ago
3 0
What are the possible answers?
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Which is evidence that the reaction below is a redox reaction? 2Na + Cl2 → 2NaCl
Mamont248 [21]
A redox reaction --> a reaction whereby oxidation & reduction occurs
Reduction: 
Charge of Cl2 = 0
Charge of Cl- in NaCl = -1
Hence, since charge of Cl2 decreased from 0 in Cl2 to -1 in NaCl, reduction occured. 
Oxidation:
Charge of Na = 0
Charge of Na+ in NaCl = +1
Hence, since charge of Na increased from 0 in Na to +1 in NaCl, oxidation occured.
Since both oxidation & reduction occured in the reaction, it is a redox reaction.  
3 0
3 years ago
10 points! Please help if you know the answer I need to get 100% on this test :)
miskamm [114]

Answer:

Metal has an high capacity, which allows it to heat up faster and transfer the heat to the contents of the pot or pan.

Explanation:

Because metal pots are made from a narrow range of metals because pots and pans need to conduct heat well.

7 0
3 years ago
a difference in density between gases creates buoyancy, which is the ability of an object to float. At 0 degrees celsius, helium
GaryK [48]

Answer: for an object or gas or liquid to float in another there must be a difference in density

Explanation:

Helium has a density of 0.18 kg/m³ and air has a density of 1.29 kg/m^³. If a balloon is filled with helium it will float in air due to density differences

Archimedes' principle states that the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially submerged, is equal to the weight of the fluid that the body displaces

3 0
3 years ago
According to the modern atomic model, electrons in an atom are always
babymother [125]
The electrons always orbit around the nucleus, forming what is called an electron cloud. :)
8 0
3 years ago
Read 2 more answers
Which of the following is equivalent to 2100 gram
BabaBlast [244]

10 decigrams are equivalent to 1 gram, so 2,100 grams are equivalent to 2100 x 10. This makes 21,000.

3 0
3 years ago
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