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3 years ago

5

State the Third Law of Motion on the basis of the Third law explain the following [a] A boat tend to leave the shore when passen

gers are alighting from it. [b] The rocket moves upwards with high speed. [c] The air filled balloon moves vertically upwards when released.

1 answer:

Firlakuza [10]3 years ago

3 0

C because it has to do with opposite motions and stuff

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What is e cell (in units of volts) for a galvanic cell constructed from barium and manganese electrodes?

gulaghasi [49]

Main Answer: The standard electrode potential of galvanic cell constructed from barium and manganese electrode is 4.097.

Explanation:

When the galvanic cell constructed between Manganese and Barium, the half reactions will be as follows:

Mn2+(aq) + 2e-⟶ Mn(s) E1 = −1.185

Ba2+(aq) + 2e-⟶ Ba(s) E2 = −2.912

By considering the above two reactions, the standard electrode potential can be calculated.

The galvanic cell standard electrode potential is given by E1 + E2 = 1.185 + 2.912 = 4.097 volts

What is standard electrode potential?

Standard electrode potential is defined as the measure of reducing power of any compound or element. Its units are volts.

To know more about galvanic cell, please visit:

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1 year ago

What is the destiny of an object that has a mass of 20 grams and a volume of 10 millimeters

blondinia [14]

Answer:

2gcm⁻³

Explanation:

Given parameters:

Mass of the object = 20g

Volume = 10mL

Unknown:

Density of the object = ?

Solution:

Density of a body is its mass per unit volume;

Density = $\frac{mass}{volume}$

We need to convert mL to cm³ for the volume

1mL = 1cm³;

10mL is therefore, 10cm³

So;

Density = $\frac{20}{10}$ = 2gcm⁻³

7 0

3 years ago

V1 = l; P1=40Pa; P2= 100 kpa; V2= 1.0 L please help!

blsea [12.9K]

Answer:

V1 = 2500 L

Explanation:

V1P1 = V2P2

x * 40 = 100.000 * 1.0

==> x =2500 L

6 0

3 years ago

In an oven, 7000 kg of limestone are heated to over 900ºC to give lime and carbon dioxide. Assuming all calcium carbonate reacts

kirill [66]

Answer:

3920kg of lime(CaO) 1568m^3 of CO2

Explanation:

I attached the explanation!

also for calculating the volume I assumed Standard Temperature and Pressure(STP).

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3 years ago

Choose from the following descriptions of solid:

mixas84 [53]

Pretty sure it's C!

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3 years ago