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When [dye] = 4.0 x 10-5 M the rate is determined to be 1.71 10-7 M. What is the apparent order with respect to the dye ("a" in the rate equation)?
A sample of calcium carbonate [CaCO3 (s)] absorbs 45.5 J of heat, upon which the temperature of the sample increases from 21.1°C to 28.5°C. If the specific heat of calcium carbonate is 0.82
How many grams of methane gas (CH4) need to be combusted to produce 12.5 L water vapor at 301 K and 1.1 atm? Show all of the work used to solve this problem.
How much energy (in kilojoules) is released when 33.0 {rm g} of ethanol vapor at 95.0^circ {rm C} is cooled to -19.5^circ {rm C}?
A helium-filled weather balloon has a volume of 815 L at 22 oC and 752 mmHg. It is released and rises to an altitude of 7.16 km, where the pressure is 364 mm Hg and the temperature is -25oC. What i
Consider a particle in a one-dimensional box of length L in its lowest energy (ground) stationary state. Calculate the probability that the particle is
At a particular temperature and [A]0 = 2.57 10-3 M, concentration versus time data were collected for this reaction, and a plot of 1/[A] versus time resulted in a straight line with a slope value of +
Assuming ideal gas behavior, 1.00atm, and 37 celcius calculate the volume of CO2 produced by this power plant.
The solubility product constant for MgF2 is 6.4 × 10-9. How many grams of MgF2 will dissolve in 150 mL of H2O at 25°C?
Determine the mass of precipitate (in grams) that forms when 213.8 mL of 0.132 M CaCl2 solution is reacted with excess AgNO3 solution.
Assuming that the zinc either reacted with CuSO4(aq) to produce copper, or with H2SO4(aq) to produce hydrogren gas, H2(g), calculate the mass of hydrogen gas that could have been produced. What woul
A 0.0539 g sample of iron sulfate was dissolved in dilute HCl and treated with 10% BaCl2 solution. The BaSO4 precipitate weighted 0.0828 g. Determine the formula of this sulfate of iron.
The photosynthesis reaction is 6CO2(g)+6H2o(g)-> C6H12O6(s)+6O2(g). If the reaction requires 2.82^3 kJ/mole of C6H12O6 formed: How many grams of C6H12O6 can be produced from 6.20x10^5kJ?
How many grams of water at 0oC could be frozen to ice at 0oC by the evaporation of 395 grams of isopropyl alcohol?
The burning of ethane produces both CO2 and H2O. If 200 mL of CO2 is produced at 20°C and 750 torr, what volume of water vapor would be produced at 24°C and 790 torr?
If 100. mL of 1.60 M Na2SO4 is added to 200. mL of 2.40 M NaCl, what is the concentration of Na+ ions in the final solution? Assume that the volumes are additive.
A gas sample in an open manometer system has a pressure of 530 mmHg . The mercury column has a height of 545 mm on the gas sample side and a height of 425 mm on the air pressure side. what is the v
In the fermentation of glucose (wine making), a volume of 780 gas was produced at 37 and 1.00.
Calculate the end point pH, when 25 mL of 0.01 mol/L HCl solution reacts exactly with 25 mL of 0.1 mol/L NH4OH solution. NH3 Kb = 1.8 x 10^-5This will be the pH of NH4Cl solution.
As a result of the reaction, a piston is pushed out through 21 cm against an external pressure of 534 torr. What is the value for w for this reaction?
What can you say about the realtive magnitudes of the latice energy of lithium iodide and its heat of hydration?
If 24.6 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 301 Kelvin and 1.01 atmospheres? Show all of the work used to solve this problem.
what mass of aluminum chloride will be produced if 22.6 grams of zinc chloride are used up in the reaction?
Considering which elements are being oxidized and reduced, determine how many moles of electrons are transferred between the elements being oxidized and reduced.
What mass of K2CO3 is required to clean up a spill of 489 ml of 3.50 M HCl if HCl(aq) reacts with K2CO3 according to: