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Answer:
Specific heat capacity of metal is 2.6 J/g°C.
Explanation:
Heat lost by metal = Heat gained by water
![m_{m}](https://tex.z-dn.net/?f=m_%7Bm%7D)
ΔT = ![m_{w}](https://tex.z-dn.net/?f=m_%7Bw%7D)
ΔT
where:
is the mass of metal,
is the specific heat capacity of metal, ΔT is the change in temperature of metal and
is the mass of water,
is the specific capacity of water and ΔT is the change in temperature of water.
32.8 x
x (100.5 - 30.2) = 138.2 x 4.2 x (30.2 - 20.0)
32.8 x
x 70.3 = 138.2 x 4.2 x 10.2
x 2305.84 = 5920.488
=
= 2.56761
= 2.6 J/g°C
The specific heat capacity of the metal is 2.6 J/g°C.
Answer:
Both fish and bird embryos exhibit gill slits and a tail.
Explanation:
According to embryology, all vertebrates exhibit similar traits and structures at their embryonic stage. It becomes very difficult to differentiate between the embryos of a fish, and that of a bird, or embryo of a fish, and a human. These traits, however, disappear, as the case may be, as the embryo develops into an adult. For example, in the case of the embryo of a fish, and a bird, both shows gills slits at their respective embryonic stage. However, the gill slits in fish develop into gills, whereas in the case of birds, it disappears as the embryo develops into an adult.
Well, there's always camouflage.
Answer:
About 5 billion years ago