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If 0.140mol of a nonvolatile nonelectrolyte are dissolved in 3.30mol of water, what is the vapor pressure PH2O of the resulting solution? The vapor pressure of pure water is 23.8 torr at 25 °C
For a solution containing 0.0060 M calcium nitrate and 0.057 M nitric acid, calculate the activity of the calcium ion.
An x-ray tube accelerates electrons from rest at 5.0×10 14th m/s(squared) power through a distance of 20cm. Find the acceleration time
What is the maximum amount of CO2 (44.0095 g/mol) which could be formed from 16.42 g of CO (28.0101 g/mol) and 0.24 mol of O2 (31.9988 g/mol)? Answer in units of mol
Calculate the change in entropy when 54 ml of hot (95 C) water is added to 90 ml of cold (5 C) water is a closed cup, given that Cp (H2O, l) = 75.5 J/molK
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. calculate How fast are the waves traveling
Enter the symbol of a sodium ion, Na+, followed by the formula of a sulfate ion, SO42-
The Achilles tendon inserts on the calcaneus at a distance of 8cm from the axis of the ankle joint. What torque is created by these muscles about the ankle joint
A car travels a straight road at 130 km/h for 30min then at 50 km/h for 10min. What is the average speed for the entire trip
Explain at least one personal benefit that the individual derives from completing a high- quality thesis or dissertation. Then explain at least one societal benefit that follows from the individu
Enthalpy of combustion of ethanol(g) is -1371 kJ/mol. Temperature and pressure of intake mixture is 25 oC and 1 bar, respectively. Assume ideal behavior of diatomic gas and ignore the changes in the
Mental disorder that intrigues you the most, then suggest a treatment approach for the disorder you selected based on evidence discussed in the textbook related to the treatment of mental disorde
Two large equipotent surfaces are flat and parallel and separated by a relatively small distance compared to their size. What is the direction of the electric field midway between the surfaces
Select a topic for your term paper and submit it for instructor's approval. Due by the end of this module. See below to learn more about your term paper. Your proposal must include: 1) a one par
If electrons are accelerated from rest in an electron gun by sending them through a potential difference of 11.0 kV
Calculate the pH and the pOH of an aqueous solution that is 0.040 M in HCl(aq) and 0.065 M in HBr(aq) at 25°C.
Three resistors, 21, 39, and 73 , are connected in series, determine the potential difference across the three resistors
Calculate the ionic strength of (a) 0.0061 M NaOH (b) 0.0005 M La(IO3)3 Assume complete dissociation at this low concentration and no hydrolysis reaction to form LaOH2.
A relief airplane is delivering a food package to a group of people stranded on a very small island. What is the speed of the package when it hits the ground in mph
Identify the oxidized substance, the reduced substance, the oxidizing agent, and the reducing agent in the following redox reaction: Fe(s)+Cu^(2+)(aq) ---> Fe^(2+)(aq)+Cu(s)
Electric charge is uniformly distributed inside a nonconducting sphere of radius 0.30 m. find the maximum magnitude of the electric field
Suppose the pressure of the gas equals to p=aV^2, where a is constant. Find the heat transfer to the gas during this process
Write the balanced equation for the neutralization reaction between HI and Ba(OH)2 in aqueous solution. Include physical states.
An electron is traveling through a region of space in which the electric field is along the +x direction, What is the acceleration of the electron
Plot the absorbance against the ration of moles of X to moles of M. Calculate the formula of the complex from the mole ratio at which the absorbance reaches a maximum and levels off.