3 years ago

What activates a convection current the start of the flow of a liqued

1 answer:

4 0

Temperature differences in the mantle causes the flow of the liquid and the activation of a current to happen in general.

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Answer:

Here you go

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3 years ago

Help me please!!! this is very urgent !

lawyer [7]

Answer:

It is a wrong answer

• It's in theory that 1 hour = 60 minutes

${ \tt{50 \: hours = (50 \times 60) \: minutes}}$

• It's in theory that 1 minute = 60 seconds

${ \tt{(50 \times 60) \: mins = \{(50 \times 60) \times 60 \} \: sec}}$

» Therefore, correct expression is;

${ \boxed{ \tt{50 \: hours = (50 \times 60 \times 60) \: seconds}}}$

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3 years ago

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vivado [14]

When a base, an acid, or a salt is dissolved in water it conducts electric currents
Ex. NaCl (salt)

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Calculate the ph at the equivalence point for the titration of 0.190 m methylamine (ch3nh2) with 0.190 m hcl. the kb of methylam

bija089 [108]

HCl(aq)+CH3NO2(aq)â‡„CH3NH3+(aq)+CL-(aq) Given that the concentrations of the HCl and methyamine are equal, so at the equivalence point the volume is doubled. The resulting concentration of CH3NH3+ is 0.095M CH3NH3+(aq)â‡„H+(aq)+CH3NH2(aq) I 0.095 0 0 C -x +x +x E 0.095-x x x Ka=x^2/0.095-x Ka=1.0x10^-14/5.0x10^-4 =2.0x10^-11 x^2/0.095-x=2.0x10^-11 x=1.38x10^-6 pH=-log(1.38x10^-6) =5.9

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