Answers by Pavel Kalashnikov
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Answers by Pavel Kalashnikov

Answers by Pavel Kalashnikov
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What is the mass of 1.56 X 10^24 formula units of Na2SO4?
answered Feb 7, 2021
4 votes
93.1k views
Find the solution of IVP for the differential equation (x+2)^2e^y when y(1) =0 y'= dy/dx=(x+2)^2.e^y; y(1)=0
answered Dec 10, 2020
7 votes
45.9k views
A neutral K meson at rest decays into two π mesons, which travel in opposite directions along the x axis with speeds of 0.828c. If instead the K meson were moving in the positive x direction with a velocity
answered Sep 24, 2020
2 votes
188k views
Solve the system of equations by finding the reduced row-echelon form of the augmented matrix for the system of equations x-y+4z=23 2x-y+z=-1 6x+4y+2y=-44
answered Jun 12, 2020
4 votes
48.7k views
Peter lives in a beautiful region. Peter and other residents of his region use water from the river that flows through their region. Recently, Mark Industries decided to set up their chemical plant near
answered May 14, 2020
5 votes
13.6k views
The Pythagorean Theorem says that in a right triangle, a2 + b2 = c2 , where a and b are the lengths of the legs, and c is the length of the hypotenuse. If b = 2, what is the length of side a in terms of
answered Feb 13, 2020
7 votes
203k views
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