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A human body contains 6 liters of blood. The hemoglobin content of blood is about 15.5g/100 mL of blood. The approximate hemoglobin molecular weight is 64,500g/mol. How many moles of hemoglobin are
A 72 kg meteorite buries itself 5.0 m into soft mud. The force between the meteorite and the mud is given by , What was the speed of the meteorite
A 18.0 kg block is being pushed up a ramp by a force FP = 150 N acting horizontally. Determine the work done on the block by the frictional force
In an adiabatic compression if one mole of an ideal gas with a Cv=5R/2, the temperature rises from 293 K to 325 K. Calculate the heat, work, change in enthalpy and change in internal energy
A 55 kg block of ice slides down a frictionless ramp that is 2.0 m long and 0.91 m high. Find the force exerted by the worker
For each of the following states described in the following list, calculate the final pressure, as well as q, w, ?U, and ?H. a) the gas is expanded isothermally and reversibly until the volume doubl
At 25 °C and 765 Torr, carbon dioxide has a solubility of 0.0342 M in water. What is its solubility at 25 °C and 1470 Torr
What is the maximum work that can be obtained from a 340 L tank of compressed air at 4350 PSI
A solution of 75.0 g of benzene (C6H6) and 75.0 g of toluene (C7H8) has a total vapor pressure of 80.9 mmHg at 303 K. Another solution of 100.0 g benzene and 50.0 g toluene has a total vapor pressur
A steel beam 10m long is installed in a structure at 15?C, What is the beam's change in length when the temperature reaches 50?C
What statement below best describes the graph representing the integrated 1st order rate law. plot of ln[a] vs t having a straight line negative slope equal to -k
If 10.00 mL of 0.050 M KI solution is mixed with 40.0mL of other reagents what would be the the diluted concentration of KI
A solution of ammonia and water contains 2.70×1025 water molecules and 8.50×1024 ammonia molecules. How many total hydrogen atoms are in this solution
Assume all temperatures to be exact, and neglect significant figures for small changes in dimension. What is the corresponding change on the Fahrenheit scale
The balanced equation for trans-1,2-dibenzoylethylene in ethanol to give the product cis-1,2-dibenzoylethylene
A series RLC circuit consists of a 100 ? resistor, a 0.190H inductor, and a 42.0 ?F capacitor. It is attached to a 120 V/60 Hz power line. What is the average power loss
In a first order decomposition in which the rate constant is 0.201 sec-1, how long will it take (in seconds) until 0.131 mol/L of the compound is left, if there was 0.566 mol/L at the start
The tune-up specifications of a car call for the spark plugs to be tightened to a torque of 48Nm. With what force must you pull
Starting from rest, a 4.4-kg block slides 2.70 m down a rough 30.0° incline. The coefficient of kinetic friction between the block, Determine the work done by the force of gravity
A circular wire loop of radius 19.1 cm carries a current of 3.62 A. What is the magnitude of the torque acting on the loop
In the following conditions calculate the moles of hydrogen and the pressure in each flask where the volume is negligible. Each flask is originally 275K with .455 mols of hydrogen gas and .7atm of p
The dew point at a location 50 km 20° south of west of a recording station is 4°C higher than at the station. what is the local change in dew point at the station
what is green chemistry. how does it relate to heating A mixture of sodium carbonate and sodium bicarbonate (lab)