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What force is applied to the trash when the input force is 330 N? In the hydraulic press used in a trash compactor, the radii of the input piston and the output plunger are 6.4x10-3m and5.1x10-2m,
Determine the potential of a platinum electrode immersed in a solution that is prepared by mixing the 25.00ml of 0.0918M SnCl2 with an equal volume of 0.1568M FeCl3.
Identify the molar mass of the yellow solid in g/mol if a 0.500 g sample of a nonvolatile yellow crystalline solid is dissolved in the 22.5 g of benzene, producing a solution that freezes at the 5.
If the zinc ion concentration is kept constant at 1 M, and the chloride ion concentration is decreased from the 1 M to0.001 M, the cell voltage should
Determine the equilibrium vapor pressure of water for this solution? 29.0 g of the nonvolatile solute urea (M.W. = 60.06 g/mol) is dissolved in the 327 g of water at the 60oC.
Assuming that the temperature of both solutions was initially 25.0°C and that the final mixture has a mass of 412.4g and a specific heat capacity of 4.18J/°C·g, determine the final te
Each of these compounds contains both ionic and covalent bonds use Lewis structures to show which kinds of bonding occur between the atoms in the compound?
Give the Lewis structures and demonstrate the formal charges for ethanol (C2H5OH), ethane (C2H6), and ethylamine (C2H4NH2). In each of these compounds, there is a C-C bonding center.
Explain how would results be affected if acids other than acetic acid were present in vinegar?Discuss why it is always a good idea to rinse a burette w/a little solution before you completely fill it?
A 10.0 mL sample of NaCl solution is poured into an evaporating dish with a mass of 24.10g in a lab experiment. The combined mass of the dish and solution is having 36.15g.
Determine the equilibrium vapor pressure (in torr) of water for this solution? 14.0 g of the nonvolatile solute urea (M.W. =60.06 g/mol) is dissolved in 365 g of water at 60oC.
Discuss the mechanism (sequence of events at the molecular level) for the hydrolysis of a boron trihalide as shown below:
Determine the freezing point for a 1.88 m solution of CCl4 in benzene.Determine the freezing point for a 3.13 m aqueous solution of NaCl.
A car not engine operates among Tc = 273.15 K and Th= 298.15K, using the 1.00 mol of an ideal gas. The initial pressure-volume conditions are 1.000 bar and 24.8 L.
Determine the potential of platinum electrode immersed in a solution that is prepared by mixing the 25.00ml of 0.0918M SnCl2 with an equal volume of 0.1568MFeCl3.
Explain what are the standard enthalpies changes at 298.15K and 2000Kfor the following reaction? Explain what happens when the AlCl3 is dissolved in water and the pH is made progressively more al
What will be the new rate of N2 (l) evaporation in g s^-1? The cross sectional area of CH4 is 0.46*10^-18m^2. An enterprising engineer decides to reduce the evaporation rate by replacing the residua
A tube 2m in length and 10^-4m^2 in cross section contains a 50%-50% mixture of 14CO2. CO2 (g) has a diffusion coefficient, D = 7.1*10^-6 m^2 s^-1, at1 atm and 273K.
The partial pressure of CO2 in the container was ______atm. what was the total pressure in _____atm in the container. CO (5.0 g) and CO2 (5.0 g) were placed in a 750 mL container at the 50 degrees C
What volume of H2S was collected at 32 degrees Celsius when the atmospheric pressure was 749 torr? CuS(4.22 g) was mixed with excess HCl and the resulting H2S was collected over water.
Calculate which balloon wills be the smallest. Twelve hours after being filled, all the balloons have decreased in size.
How long will it take for the same amount of SO2 to effuse at the same temperature and pressure? At a certain temperature and pressure it takes 65 sec for a 0.200 mol sample of H2
When 1 mol CS2 (l) forms its elements at 1atm and 25degrees Celsius, 87.9 kj is absorbed, and it takes 27.7kj to vaporize 1 mol of the liquid.
Determine the change in ph after addition of 10.0 ml of 1.0M sodium hydroxide to 90. ml of a 1.0 M NH3/1.0M NH4buffer? Where the ka for ammonia is 1.8 x 10 ^-5
Assuming that there is no volume change when the solid is added, Solid sodium acetate is added to 500.0 mL of 0.300 MHC2H3O2 until the pH of the resulting solution is 5.70 at 25 degrees Celsius