Answer:
13) What common form of energy (not including kinetic or potential) is not included in the “Energy Symbols” key that would normally be present in these examples?
1) Sound Energy
2) Magnetic Energy
14)Look carefully at each of the four systems shown above. Knowing what we have discussed about energy conversions, identify (list) at least three different places where this form of energy (sound) should be “produced”.
1) When you open the water tap, in the turbine and the sound of the light bulb.
2) In the light bulb
3) The sound of the kettle, the turbine and when water is boiling.
4) The movement of the wheel of the bicycle, the turbine and the light bulb.
Carbon and chlorine forms covalent bonds. Carbon and chlorine will form covalent bonds as they have a small electronegativity difference.
The formula of the compound formed is CCl4.
What are covalent bonds?
Covalent bonds are bonds formed as a result of sharing of electrons between atoms of same different elements.
- Since electrons are either lost or gained in covalent bonds, no ions are formed in covalent bonding.
- Covalent bonds are formed between atoms whose electronegativity differences are very small, like for ex: between carbon and chlorine.
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Answer:
3,5-dimethyl-2-octene
Explanation:
The parent chain will be choosen based on the highest value. In this case, if we count from top to bottom, we'll get seven carbon, however if we count from the second carbon, going left and then down, we'll get eight carbon. So the parent chain is octene
The double bond is located at the second carbon and the methyl groups are located on carbon 3 & 5. Since there are two methyl groups, we add di- in front of methyl to indicate two methyl groups present.
Note: The functional group has to be prioritise and it needed to be a part of the parent chain. In this case, the functional group is the double bond. (alkene)
Answer:
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Explanation:
As given
60 min = 50 gm (1)
then we know half-life mean half amount decay time
so we can write as the half of 200 is 100 gm hence
T 1/2 = 100 (2)
solving these two equation by cross multiplication we will get
T 1/2 = 120 min
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