Amita Prajapat

University of Chicago
Professor

Biography

I have completed my PhD in nano technology. Physics makes me complete. I am working as a professor in IIT Delhi from last 7 years.

Education

BS Physics
University of Chicago

Educator Statistics

Numerade tutor for 5 years
3423 Students Helped

Topics Covered

Unlock the Power of Kinetic Energy: Boost Your Efficiency Today
Understanding Moment Impulse and Collisions for Better Physics
Unlocking the Power of Thermodynamics: A Comprehensive Guide
Exploring the Fascinating World of Thermochemistry | Learn More Today
Energy in Thermal Processes
Understanding Electromagnetic Waves: A Comprehensive Guide
Calculating Electrical Power: Resistance and EMF
Master Direct Current Circuits with Our Expert Guide
Temperature and the Kinetic Theory of Gases

Amita's Textbook Answer Videos

01:34
Physical Chemistry for IIT JEE

Under the same conditions how many $\mathrm{ml}$ of $1 \mathrm{M}$ $\mathrm{KOH}$ and $0.5 \mathrm{MH}_{2} \mathrm{SO}_{4}$ solutions, respectively, when mixed to form total volume of $100 \mathrm{ml}$, produces the highest rise in temperature?
a. 67,33
b. 33,67
c. 40,60
d. 50,50

Chapter 4: Energetics
Amita Prajapat
02:18
Physical Chemistry for IIT JEE

The enthalpy of hydrogenation of cyclohexene is $-119.5 \mathrm{~kJ} \mathrm{~mol}^{-1} .$ If resonance energy of benzene is $-150.4 \mathrm{~kJ} \mathrm{~mol}^{-1}$, its enthalpy of hydrogenation would be
a. $-269.9 \mathrm{~kJ} \mathrm{~mol}^{-1}$
b. $-358.5 \mathrm{~kJ} \mathrm{~mol}^{-1}$
c. $-508.9 \mathrm{~kJ} \mathrm{~mol}^{-1}$
d. $-208.1 \mathrm{~kJ} \mathrm{~mol}^{-1}$

Chapter 4: Energetics
Amita Prajapat
01:30
Physical Chemistry for IIT JEE

A reaction is non-spontaneous at the freezing point of water but is spontaneous at the boiling point of water then
a. $+$ ve
b. $-v e$
c. $-v e$
d. tre

Chapter 4: Energetics
Amita Prajapat
01:16
Physical Chemistry for IIT JEE

For a phase change
$\mathrm{H}_{2} \mathrm{O}(\mathrm{l}) \leftarrow{0^{\circ} \mathrm{C}, 1 \mathrm{bar}}{\longrightarrow} \mathrm{H}_{2} \mathrm{O}(\mathrm{s})$
a. $\Delta \mathrm{G}=0$
b. $\Delta \mathrm{S}=0$
c. $\Delta \mathrm{H}=0$
d. $\Delta U=0$

Chapter 4: Energetics
Amita Prajapat
01:03
Physical Chemistry for IIT JEE

Identify the correct statement for change of Gibb's energy for a system $\left(\Delta \mathrm{G}_{\text {system }}\right)$ at constant temperature and pressure:
a. if $\Delta \mathrm{G}_{\text {system }}=0$, the system is still moving in a particular direction
b. if $\Delta \mathrm{G}_{\text {system }}=-\mathrm{ve}$, the process is not spontaneous
c. if $\Delta \mathrm{G}_{\text {system }}=+\mathrm{ve}$, the process is spontaneous
d. if $\Delta G_{s y s c m}=0$, the system has attained equilibrium

Chapter 4: Energetics
Amita Prajapat
1 2 3 4 5 ... 46

Amita's Quick Ask Videos

02:02
Chemistry 101

320.32682 g C3H8 reacts with excess O2 according to the reaction below. How many grams of H2O will be formed? C3H8 + 5O2 = 3CO2 + 4H2O

Amita Prajapat
02:55
Chemistry 101


With 45 grams of aluminum (Al), how many grams of Al2O3 will be
formed from 56 grams of oxygen (O), and how many grams of which
will increase? (Al: 27, O: 16)

Amita Prajapat
01:06
Chemistry 101

the solid chemicals in a specific airbag create 0.534 moles of gas to what volume in liters will the airbag inflate at a pressure of 1.10 ATM and a temperature of 293 Kelvin

Amita Prajapat
01:56
Chemistry 101

Chlorine can be prepared by the reaction:
MnO2 + HCl
--> MnCl2 + Cl2
+ H2O
Find the amount of HCl that are needed to react with 25.0 g of
MnO2.

Amita Prajapat
02:03
Chemistry 101

Earth's atmosphere contains many volatile substances that are
present in trace amounts. The following quantities of these trace
gases were found in a 1.0 gallon sample of air. Calculate the
number of moles of each gas in the sample:
1) 5.080 x 1016 molecules of hydrogen
(gas)

Amita Prajapat
02:14
Chemistry 101

2 Al (s) + N2 (g) —> 2 AlN (s) How many Liters of N2 gas are required to react with 18.5 g of Al at 892 torr and 95^C?

Amita Prajapat
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