A hot gas flowing through a pipeline can be considered as a:________

1 answer:

k0ka [10]2 years ago

7 0

Answer:

B) irreversible process

Explanation:

The process given here is irreversible.

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Maksim231197 [3]

Answer:

0.8 g/cm^3

Explanation:

Density is the amount of substance present per volume.

Density = Mass / Volume = (25.0 g) / (30.0 cm) = 0.83333 g/cm^3

=> Density = 0.8 g/cm^3 (rounded up to one decimal place)

6 0

1 year ago

valina [46]

Answer:

a metal and a nonmetal element

Explanation:

6 0

3 years ago

romanna [79]

Answer:

Coefficient of $H^{+}(aq)$ is more than 4

Explanation:

Oxidation: $Sn^{2+}(aq)\rightarrow Sn^{4+}(aq)$

Reduction: $Cr_{2}O_{7}^{2-}(aq)\rightarrow Cr^{3+}(aq)$

Balance Cr: $Cr_{2}O_{7}^{2-}(aq)\rightarrow 2Cr^{3+}(aq)$
Balance O and H in acidic medium: $Cr_{2}O_{7}^{2-}(aq)+14H^{+}(aq)\rightarrow 2Cr^{3+}(aq)+7H_{2}O(l)$
Balance charge: $Cr_{2}O_{7}^{2-}(aq)+14H^{+}(aq)+6e^{-}\rightarrow 2Cr^{3+}(aq)+7H_{2}O(l)$ .......(2)