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Bubble formation when aluminium reacts with copper(II) sulfate solution
August 1st, 2022
electrochemistry
redox
solutions
metal
The differential equation $dy/dx = 60 (y^2) ^ {1/5} $; $x>0$ $y(0)=0$ has how many solutions?
August 13th, 2022
ordinary-differential-equations
If we feel it's hotter when humidity increases, then why do we feel it's colder when inside water?
September 6th, 2020
thermodynamics
everyday-life
biology
integral approximation (law of large numbers)
June 23rd, 2020
integration
approximation
stochastic-integrals
law-of-large-numbers
Will the water added to an ice piece freeze?
May 13th, 2020
thermodynamics
heat
water
freezing
Orthogonal direct sum
September 18th, 2020
symbols
Shadow of fire doesn't exist
August 1st, 2022
optics
Delta G in an equilbrium reaction(forward and backward)
August 1st, 2022
thermodynamics
equilibrium
What fraction of air gets expelled upon heating an empty flask?
August 1st, 2022
physical-chemistry
gas-laws
Why does the ideal generated by x generate polynomials?
August 1st, 2022
ideals
How long will a light bulb work isf the glass shell removed?
February 26th, 2020
visible-light
Is Changing between Allotropic forms a Physical or Chemical Process?
August 1st, 2022
crystal-structure
solid-state-chemistry
allotropes
Sheafification of the Presheaf of continuous and bounded functions
August 1st, 2022
algebraic-geometry
sheaf-theory
'Slapping' sound when trains pass each other
August 1st, 2022
fluid-dynamics
acoustics
everyday-life
shock-waves
Why is snow white when water has no color?
August 1st, 2022
thermodynamics
optics
geometric-optics
weather
Find $k$ such that the angle between the vectors $(2,k)$ and $ (3,5)$ is $60$ degrees
August 3rd, 2022
linear-algebra
trigonometry
vectors
Could (old) LIGO have detected GW150914?
March 1st, 2020
gravitational-waves
interferometry
ligo
Noether's theorem, energy and time invariance
August 18th, 2020
energy-conservation
symmetry
time
noethers-theorem
Definition of Euclidean domain
January 5th, 2020
abstract-algebra
ring-theory
definition
euclidean-domain
Taylor series expansion of $\log{x}$ to obtain infinite sequence for $\log{2}$
March 28th, 2022
sequences-and-series
How do I format a regular expression in math mode?
December 14th, 2020
math-mode
How to calculate mass of water of crystallisation?
August 1st, 2022
water
crystal-structure
How to type Big And symbol?
February 10th, 2021
symbols
Null space for $AA^{T}$ is the same as Null space for $A^{T}$
September 17th, 2022
linear-algebra
Why is microwave better than visible light for point to point data communication?
July 16th, 2020
visible-light
data
Stoichiometry Chemistry Lab: Copper (II) Sulphate Pentahydrate and Iron Single Displacement Reaction?
August 1st, 2022
experimental-chemistry
stoichiometry
How to integrate $\displaystyle 1-e^{-1/x^2}$?
March 25th, 2020
integration
probability-distributions
definite-integrals
improper-integrals
indefinite-integrals
Draw an ellipse from the two focus points (foci) and the sum of the distances from foci to border
August 1st, 2022
tikz-pgf
pgfplots how to smoothen up a surface plot with coordinates
November 2nd, 2020
tikz-pgf
pgfplots
Two four-sided die roll, whats the probability of 2nd roll > 1st roll
September 17th, 2022
probability
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Recents
What age is too old for research advisor/professor?
How much solvent do you add for a 1:20 dilution, and why is it called 1 to 20?
How many weeks of holidays does a Ph.D. student in Germany have the right to take?
Why higher the binding energy per nucleon, more stable the nucleus is.?
What happen if the reviewer reject, but the editor give major revision?
Coordination number of 3D close packing
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pKa = pH for strong acid — strong base?
Anonymous sites used to attack researchers. What to do about it?
Why does [Ni(gly)2] show optical isomerism despite having no chiral carbon?
I downoaded articles from libgen (didn't know was illegal) and it seems that advisor used them to publish his work
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Masters in mathematics after bachelors in mechanical engineering
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Why energy is released when an electron is added to a neutral atom?
Time constant of $RC$ circuit with more than one capacitor
Why is CH4 Nonpolar but CH2Cl2 is polar?
Which of the compounds has the highest percentage of enol?
Article waiting for AE assignment for too long?
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