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Deffense [45]
2 years ago
6

1. What is the Speed equation? a. S= D/T c. A= Fv-lv/T b. A= lv - FIT d. S= T/D

Chemistry
1 answer:
Luden [163]2 years ago
6 0

Answer:

A

Explanation:

distance over time is speed's equation

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An inexpensive and accurate method of measuring the quantity of electricity flowing through a circuit is to pass the current thr
Paha777 [63]

Total of 127.013 C of charge is passed

Given

 weight of Ag solution before current has passed = 1.7854 g

  weight of Ag solution after current has passed = 1.8016 g

  Molecular mass of Ag = 107.86 g

  Faraday's Constant = 96485

First of all we have to apply Faraday's First Law of Electrolysis i.e

         m = ZQ

  where

Z is propotionality constant (g/C)

Q is charge (C)

Hence,

 Z = Atomic mass of substance/ Faraday's Constant

    = \frac{107.86 g}{96485 C}

    = 0.0011178 g/C

Now ,

   change in mass before and after the passing of current (Δm)

       Δm = 1.8016g-1.7854g

             =   0.0162g

    Now  amount of coulombs passed = \frac{0.142g}{0.0011178 g/C }

          amount of coulombs passed = 127.03524 C

Thus from the above conclusion we can say that amount of coulombs have passed is 127.03524 C

Learn more about Electrolysis here: brainly.com/question/16929894

#SPJ4

7 0
2 years ago
Outline in which direction the equilibrium 2 points
Dennis_Churaev [7]

Explanation:

  Reaction equation:

             CO + 2H₂  →  CH₃OH

All the species are in gaseous state and the equation is balanced.

 Change in pressure only affects equilibrium involving a gas or gases.

Based on Le Chatelier's principle, an increase in pressure will shift the position of equilibrium to the side having smaller volume or number of moles and vice versa.

          CO + 2H₂  →  CH₃OH

 3moles of gases     1 mole of gas

  An increase in pressure favors the forward reaction. A decrease in pressure will favor the backward step.

7 0
3 years ago
Why is carbon good for forming the structure of life?
Leni [432]
First things first carbon is quite common element here in Earth. But it is not all, right? Otherwise we would be built from other, more common elements. The thing is in carbon reactiveness. Also energy needed to create carbon chemical compounds isnt that big when compared to etc nitrogen. It can bind up to 4 different elements (atoms). Thanks to this can givesingle, both and triple bindings! Carbon can give away electrons or take them making his degree of oxidation consequently from -IV to +IV. All this vareity leads to vareity of bigger elements that will be created from carbon later- carbohydrates, proteins etc. As life needs vareity to adapt to different situations and climax only carbon therefore can provide this.
6 0
3 years ago
How much heat must be added to raise a sample of 100.g of water at 270K to 280K?
Arte-miy333 [17]

Answer:

10 Kelvin

Explanation:

this is so simple...

if you want to raise the temp from 270K to 280K just add 10K

5 0
3 years ago
Respiration of rabbit​
Whitepunk [10]

30-60 breaths per minute

A rabbit's heart rate should be 120-150 beats per minute. A rabbit's respiration rate should be 30-60 breaths per minute. A rabbit's temperature should be 101.3-104F.

^_________^^_________^^_________^^_________^^

4 0
3 years ago
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