A liquid occupies a volume of 2 × 10^-4 m^3 at 0 °C. Calculate the increase in its volume If It is heated to 80 °C.

Monjur Alahi

A liquid occupies a volume of 2 × 10-4 m3 at 0 °C. Calculate the increase in its volume If It is heated to 80 °C.

[The coefficient of cubical expansion of the liquid is 4 × 10-4 K-1]


0 like 0 dislike
1 views
Share with your friends

1 Answers

Salim Ahmed Kawsar

Call

Given: V0 = 2 × 10-4 m3, T0 = 0°C,T = 80°C,

γr = 4 × 10-4 K-1,

T – T0 = 80 – 0 = 80°C

To find: Increase in volume (∆V)

Formula: ∆V = V0γr(T – T0)

Calculation: From formula.

∆V = (2 × 10-4) (4 × 10-4) × 80

∴ ∆V = 6.4 × 10-6 m3

Increase m volume of the liquid is 6.4 × 10-6 m3.

0 like 0 dislike
1 views
Talk Doctor Online in Bissoy App
At 25°C and 760 mm of Hg pressure a gas occupies 600 mL volume.

Given :  V1 = Initial volume = 600 mL,  V2 = Final volume = 640 mL P1 = Initial pressure = 760 mm Hg  T1 = Initial temperature = 25°C  = 25 + 273.15 K =...

2 Answers 1 views
The volume (V) of a mass of gas varies directly as its absolute temperature (T) and inversely as the pressure (P) applied to it. The gas occupies a vo

Correct Answer - ` (700)/3 K`

2 Answers 1 views
The volume (V) of a mass of gas varies directly as its absulute temperature (T) and iversely as the pressure (P) applied to it. The gas occupies a vol

Correct Answer - 125 K

2 Answers 1 views
A metallic disc is being heated. Its area (in `m^(2)`) at any time t (in sec) is given by `A=5t^(2)+4t`. Calculate the rate of increase in area at `t=

Correct Answer - `34m^(2)//sec`

2 Answers 1 views
3.40 g of ammonia at STP occupies volume of 4.48 dm^3. Calculate molar mass of ammonia.

Given :  Mass of ammonia = 3.40 g Volume at STP = 4.48 dm3 To Find :  Molar mass of ammonia Calculation :  Let ‘x’ grams be the molar mass of NH3. Molar volume of a gas...

2 Answers 3 views
4.4 g of an unknown gas occupies 2.24 L of volume under STP conditions. The gas may be ………………

(A) \(CO_2\) Let say, the molar mass of unknown gas is M Then, Number of mole of unknown gas = \(\frac{4.4\,g}{M}\) As we know, 1 mole of any gas at STP occupy = 22.4 L of volume. \(\therefore\) Number of...

2 Answers 1 views
4.4 g of an unknown gas occupies 2.24 L of volume under STP conditions. The gas may be ……………… 2 Answers 1 views
When the pressure applied to one litre of a liquid is increased by 2 × 10^6 N/m^2. Its volume decreases by 1 cm^3. The bulk modulus of the liquid is

Correct option is: (A) 2 × 109 N/m2

2 Answers 2 views
The latent heat of vapourization of liquid of “m”gm when the heat energy of “Q” calories is supplied to change its state from liquid to gas is ……………… 

 Q = mL so, L = Q/m. Hence, the correct option is (B) Q/m

2 Answers 1 views
The volume of liquid is 830 m^3 at 30 °C and 850 m^3 at 90 °C. The coefficient of volume expansion of liquid is

Correct option is: (C) 4 × 10-4 per °C

1 Answers 8 views
X