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Sodium azdide, NaN3, decomposes according to the following equation. What volume of N2 at 1.1 atm and 50.0C will be produced by the decomposition of 5.0g of sodium azdide. NaN3(s) --->Na(s)+N2(g)
A particle is to move in an xy plane, clockwise around the origin as seen from the positive side of the z axis. In unit-vector notation, what torque acts on the particle
The ages of Ramona's father, brother, and son are all prime numbers. In five years from now, their ages will all be perfect squares. What is the present age of each of them?
When 1.48g of mercuric chloride is vaporized in a 1.00 L bulb at 680 K, the pressure is 225 mm Hg. What is the molar mass of the mercuric chloride vapor
A horizontal vinyl record of radius 0.0862 m rotates freely about a vertical axis through its center with an angular speed of 4.82 rad/s. What is the angular speed of the record immediately after the
what is the mass of CO2 exhaled with one breath. Assume T = 37oC. b. Glucose (180.16 g mole-1) is oxidized to CO2 according to the equation C6H12O6 + 6 O2 ? 6CO2 + 6H2O. What mass of glucose is oxid
A LASIK vision correction system uses a laser that emits 10 ns-long pulses of light, each with 2.5 mJ of energy. What is the average power of each laser pulse
Assuming that the bond energy holding together a water molecule is typical, estimate how many molecular bonds could be broken with this energy
Convalent bonds form when a) 2 nonmetals combine b)2 metals combine c) a metalloid bonds to a nonmetal d) a and c are true e) a, b and c are true
Prove that the pro-jections of P onto AX, BX, AY , BY are concyclic if and only if the midpoints of AX, BX, AY, BY are the vertices of a rectangle.
A 12.8-kg monkey hangs from a cord suspended from the ceiling of an elevator. What was the direction of the elevator's minimum acceleration
A 22 mH inductor is connected across an AC generator that produces a peak voltage of 11 V. What is the peak current through the inductor
Describe the three types of collision,? and the beginning analysis process for each type? Answer should be 2 to 3 paragraphs each.
Calculate the total heat (in j) needed to convert 30.00 g of ice at -3.25 c to liquid water at 0.250 c: m.p. at 1 atm: 0.0 degrees c ^c liquid: 4.184 J/g x degrees c H fus: 6.02 kJ/mol c solid: 2.09
The primary coil of a transformer is connected to a 120V/60 Hz wall outlet. What is the rms current in the primary coil
what is the Hvap of a liquid that has a vapor pressure of 616 torr at 84.1 c and a boiling point of 95.5 c at 1 atm. (answer in J/mol)
Normally supplied in metal containers under pressure, the fuel exists as a mixture of liquid and gas, so high temperatures may cause the container to explode. At 25.0°C, the vapor pressure of bu
Adenosine triphosphate (ATP) is used to generate chemical energy in plant and animal cells. The molecular formula for ATP is C10H16N5O13P3. Determine the mass percent composition of ATP
Find the linear momentum and kinetic energy of a truck of mass 1.00 104 kg moving at a speed of 18.0 m/s
A 12.8 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter with a heat capacity of 5.65 kJ/°C. Using the information below, determine the final temperature of the calorimeter if the ini
A boy of mass 50.5 kg is initially on a skateboard of mass 2.00 kg, moving at a speed of 10.3 m/s. Find the final velocity of the skateboard
Describe an analytical procedure for the analysis of tetracyclines in biological samples. What are the signs and symptoms as well as some important historic events linked with the plague?
Calculate the value of Kp for this dissociation reaction at 25 oC. b)If the volume of the cylinder is increased until the total pressure is 1.0 atm andthe temperature of the system remains constant,
On a frozen pond, a 10kg sled is given a kick that imparts to it an intial speed of v0 = 2.0m/s. Use the work-energy theorem to find the distance the sled moves before coming to rest