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Calculate the entropy of mixing if two moles of N2(g) are mixed with one mole O2(g) at the same temperature and pressure, assuming ideal behavior.
suppose that two objects attract each other with a gravitational force of 16 units. what would be the new force of attraction between the two objects
What type of reaction is occurring in each step. some categories include: Bronsted-lowry acid-base, precipitation or redox.
A rifle with a barrel length of 65 cm fires a 9 g bullet with a horizontal speed of 380 m/s. find resistive force does the wood exert on the bullet
What is the importance of implementing a quality improvement process to reduce the incidence of the safety issue and what would be a method of application of the quality process to the safety issue?
Using only your answer to a, and the following information: Delta H = -283.0 kJ/mol for the reaction: CO(g) +1/2 O2 (g) --> CO2 (g), determine delta H for the reaction: 4CO (g) + 2NO2 (g) -->
a skateboard with mass M rolls down a ramp, starting from rest. It takes a time T to roll a distance L along the ramp
For the process where wk(closedsystem)=778 ft*lbf/lbm and ?u= 0.75 Btu/lbm, determine the heat transferred per pound mass
A bat hits a moving baseball. If the bat delivers a net eastward impulse of 1.5 N-s, what is the mass of the ball
In nucleophilic substitution reactions, what is the effect does using 1 degree, 2 degree, and 3 degree substrates have
A 5.78 cm long rod in the shape of a rectangular solid has cross section dimensions 28.7 mm x 42.6 mm. What is the current in the block
A battery's potential is measured to be 9 V outside of a circuit, the battery is placed in a circuit and it delivers 0.2 A of current. compute the internal resistance of the battery
For the following reactants, predict the products formed (if any) and write the balanced molecular equation, complete ionic equation and net ionic equation. NaHSO3(aq)+HI(aq)
A block on a 30 degree incline has an initial velocity of 3.5 m/s up the incline. How long until it returns to where it started from
If you have 340.0 mL of water at 25.00 °C and add 120.0 mL of water at 95.00 °C, what is the final temperature of the mixture. Use 1.00 g/mL as the density of water.
A 60.0 gram golf ball is dropped from a height of 2.00 meters. how much energy did the ball lose
Two particles are moving along the x axis. Particle 1 has a mass m1 and a velocity v1 = +3.7 m/s. Find the ratio m1/m2 of the masses of the particles
All solutions to the differential equation y'-2y=0 should also be solutions to the differential equation y''-ay'+ay=0. Determine the constant a such that this is true.
One solenoid is centered inside another. The outer one has a length of 54.0 cm and contains 6800 coils, What is the mutual inductance of these solenoids
Stearic acid has a freezing point of 71.20 C and a Kf of 4.890C/m. A 400.0 g quantity of stearic acid to which 50.0 g of an unknown is added has a freezing point of 68.00C. Calculate the molar mass
A skater with an initial speed of 7.10 m/s stops propelling himself and begins to coast across the ice, eventually coming to rest. How far will the skater travel before coming to rest
A weak acid HA (pKa = 5.00) was titrated with 1.00 M KOH. The acid solution had a volume of 100.0 mL and a molarity of 0.100 M. Find the pH at Vb = 0 mL, Vb = 10.1 mL and Vb = 12.0 mL
Suppose that the distance between London and Edinburgh is 360 miles and that a courier for London sets out from the Scottish city running at 10 mph at the same time that one sets out from the Englis