luvpeaceandsocc3678
28.05.2021 •
Mathematics
1. How much higher is the temperature needed to melt gold than the temperature needed to melt lead?
2. How much lower is the temperature needed to melt sodium that the temperature needed to melt aluminum?
3. How much is higher is the melting point of tungsten compared to the boiling point of water?
4. Which among the elements in the list below has the lowest melting point? What is its melting point?
5. Which among the elements in the list below has the highest melting point? At what temperature will it melt
ELEMETS: Gold ( Au )
Lead ( Pb )
Sodium ( Na )
Aluminum ( A1 )
Helium ( O )
Tungsten ( W )
MELTING POINT C
1 064,43
327. 50
97. 72
660. 37
-272.20
3, 414 C
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Ответ:
1. 1,064 °C
Step-by-step explanation:
Ответ:
Hope it helps
Ответ:
Dilate circle A by a scale factor of 5.
Step-by-step explanation:
The only necessary condition for two circles to be similar, is for them to be able to have the same radius. The similarity of circles is independent from where the center of the circle is, so translations will not serve the purpose. By dilating the radius of circle A a factor of 5, will take it to have radius (7*5)=35 , getting to measure and have a representation like circle B.