Determine if differential equation is exact
A diffferential equation in the form of M(x,y) dx + N(x,y) dy = 0 is called exact if dM/dy = dN/dx. Determine if the differential equation (2x(y^3) +2) dx + (3x^2 y^2 + e^y) dy = 0 is exact.
Expected delivery within 24 Hours
The heat of vaporization of water is 40.7 kJ/mol. How many kilojoules of heat must be provided to convert 12.00 g of liquid water at 100°C into 12.00 g of steam at 100°C?
In a semiclassical model of the hydrogen atom, the electron orbits the proton at a distance of 0.053 nm. a. What is the electric potential of the proton at the position of the electron? b. What is the electron's potential energy?
A function f(x,y) is harmonic if fxx + fyy = 0. Determine if the function g(x,y) = e^(-x) cos(y) + e^(y) cos(x) is harmonic.
Fats and oils are also converted commercially into long-chain alcohols. What is the best and most direct reaction by which to accomplish this?
Four point charges have the same magnitude of 1.9 x 10-12 C and are fixed to the corners of a square that is 6.4 cm on a side. Three of the charges are positive and one is negative. Determine the magnitude of the net electric field that exists at
What is the major aldol product from the reaction of excess 2,2-dimethylpropanal with etanal? What are the possible aldol product(s) from the reaction of ethanal and methanal?
The magnetic flux through one loop of wire is reduced from 0.39 to 0.19 in 0.30 . The average induced current in the coil is 13 . Can you determine the area of the loop from the data given?
Two forces , each 2200 N , act on an automobile as follows: t2 is directed 40 degres above the road. What is the the total force ( magnitude and direction ) acting on an automobile.
1928260
Questions Asked
3,689
Active Tutors
1434096
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Risky social support Another way in which the Internet can increase children's and adolescents' mental health problems is by fostering communication
When developing a grant proposal, it's important to set clear and measurable goals. One way to do this is by making sure your goals follow the SMARTIE system
Although the Internet can be a helpful outlet for some youth in terms of exploring their sexual identify (e.g., LBGT youth who live in small, conservative commu
Cyberbullying An additional risk of Internet communication is cyberbullying, which is when someone engages in behavior to hurt someone
Respond to at least two of your colleagues (one assigned to each of the other two disorders) on two different days and compare your assigned disorder
Its key advantage is high internal validity; its disadvantage is that randomization is often ethically or practically impossible.
Reflect: Briefly describe a personal belief or opinion you hold (e.g., a stance on a political issue, a preference for a certain type of media).