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If 0.214 mol of Argon occupies 652 mL, what would the volume of 0.375 be? What would be the volume of 0.375 mol of butane gas under the same temperature and pressure conditions?
Phosphorous trichloride (PCl3) is produced from the reaction of white phosphorous (P4) and chlorine:
If the blocks are now accelerating upward (due to the tension in the strings) with acceleration of magnitude a. Find T2, the tension in the lower rope and T1, the tension in the upper rope.
To plot the calibration curve, you need to prepare iron solutions with known concentration and measure their absorbance.
A 55.0 rm mL sample of this glucose solution was diluted to 0.500 rm L. How many grams of glucose are in 100. rm mL of the final solution?
Afterwards 1.00 mL gets transfered into a 100 mL volumetric flask wich is then being diluted to volume with 0.05 M H2SO4. What is the concentration of quininehydrochlorid?
Radiation with a wavelength of 58.4 nm interacts with a hydrogen atom and induces the ejection of an electron. What is the kinetic energy of the departing electron in eV?
What is the formula of a compound if a sample of the compound contains 0.273 mol X, 0.410 mol Y, and 0.546 mol Z?
certain first-order reaction has a rate constant of 2.8×10-2 s-1 at 18 C. What is the value of k at 62 C if Ea = 116 kj/mol?
Calculate the theoretical yield of when 126 g of C2H5Cl reacts with 223 g of Cl2, assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl.
A 10.0 L container contains a mixture of 0.50 mole of H2 (2g/mole) and 0.50 mile of SO2 (64g/mole) at 25 degrees celsius.
A sample containing 0.187 g Cl- is dissolved in 50.0 mL water. How many moles oc Cl- ion are in the solution? What is the molarity of Cl- ion in the solution?
A rotating water pump works by taking water in at one side of a rotating wheel, and expelling it from the other side. If a pump with a radius of 0.120 m starts from rest and accelerates at 31.0 rad/
Consider an insulated system containing 80 g of liquid water and 80 g of ice at equilibrium under atmospheric pressure. A total of 16 g of steam at 120 C is admitted to the system. What is the phase
The electric field strength is 4.50×104 N/C inside a parallel-plate capacitor with a 1.90 mm spacing. A proton is released from rest at the positive plate. What is the proton's speed when it r
If 17.9 mL of 0.800 M~rm HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia?
A circular curve of highway is designed for traffic moving at 93 km/h. Assume the traffic consists of cars without negative lift. (a) If the radius of the curve is 210 m,
A piece of galena has a volume of 4.7 cm3. If the density of galena is 7.5 g/cm3, what is the mass (in kg) of that piece of galena?
The wavelength of the emitted photon corresponds to the difference in energy between the two energy levels. What were the principal quantum numbers of the initial and intermediate excited states invol
Bonnie and Clyde are sliding 500 {rm kg} bank safe across the floor to their getaway car. The safe slides with a constant speed if Clyde pushes from behind with 385 {rm N} of force while Bonnie pull
6.0 moles of hydrogen are introduced into a 2.0 L sealed vessel and allowed to equilibrate at 200ºC, what is the equilibrium concentration of the ethene (C2H4) in the vessel?
A driver in a car traveling at a speed of 68 km/h sees a cat 109 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 106 m?
If a 1.00 L flask is set up with an initial concentration of 0.282 mol/L COCl2, calculate the equilibrium concentration of carbon monoxide in mol/L.
You are driving to the grocery store at 19 m/s .You are 140 m from an intersection when the traffic light turns red. Assume that your reaction time is 0.80 s. and that your car brakes with constant
You are driving to the grocery store at 20 {rm m}/{rm s}. You are 150 {rm m} from an intersection when the traffic light turns red. Assume that your reaction time is 0.79 {rm s} and that your car br