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Calculate the delta G reaction for this reaction, CO(g)+2H2(g) ---- CH30H(g) kp = 2.26 x10^4 at 25 C under standardconditions? (According to the solution manual, it sets Q=K but notQ=1 under standar
How much energy is required to raise the temperature of that volume of water from 12.0°C to 15.0°C?
Assume all the kinetic energy of the water as it reaches the bottom goes into raising the water's temperature.
What is the molar mass of an unknown molecular compound is 3.42grams dissolved in 41.8 grams benzene begins to freeze at 1.17degree's C?
An ideal gas in a container is at a temperature of 81.6°C. What is the average translational kinetic energy of a gas molecule in the container?
What is the freezing point of a solution containing 3.10 gramsbenzene (molar mass = 78.11 g/mol) dissolved in 32.0 grams paradichloro benzene?
On a day when the temperature is 20°C, a concrete walk is poured in such a way that its ends are unable to move. (a) What is the stress in the cement when its temperature is 50°C on a hot, sun
An aluminium sphere with a specific gravity of 2.7 falls through water and reaches a terminal speed of 7 m/s. What is the terminal speed of an air bubble of the same radius rising through the water?
Mary needs to row her boat across a 104-m-wide river that is flowing to the east at a speed of 2.65 m/s. Mary can row with a speed of 1.53 m/s. If Mary rows straight north, where will she land of th
A cannonball is fired from the ground at the angle of 60 degree with an initial velocity of 200m/s/ what is thee maximum height reached by the cannonball?how far will the cannonball travel retunning
The thermal decomposition of N2O5 obeys first order kinetics.At 273K, a plot of ln[N2O5] vs. t gives a slope of -5.34 x10^-3 min^-1. What is the half life of the reaction?
Calculate the formal concentration of a sodium acetate solution prepared by diluting 45.0 mL of a solution containing 10.8 ppm sodium acetate(NaC2H3O2) to a total of 0.500liters of solution.
Phenol C6H50H is a weakorganic acid. Suppose 0.515g of the compound is dissovled in exactly 125mL of water. The resulting solution is titrated with 0.123 M NaOH.
A given capacitor is connected to a 12.0 V battery, and when fully charged stores 2.58 x 10-6 J of energy. if the capacitor is disconnected from the battery, and separation of the plates is doubled (
In the nitration of methyl benzoate, why do you wash the crystals with water followed by an ice-cold methanol washing? What is the purpose of pouring the reaction mixture overice?
A 336 g oscillator has a speed of 110 cm/s when its displacement is 2.90 cm and 72.5 cm/s when its displacement is 6.10 cm. What is the oscillator's maximum speed?
An ideal gas initially at 20°C and 187 kPa has a volume of 4.60 L. It undergoes a quasi-static, isothermal expansion until its pressure is reduced to 106 kPa.
Cloudiness in ice cubes is caused by dissolved air in the water asit freezes. To make ice sculptures that are beautifully clear,artists sometimes make ice blocks out of the water that has been boile
One mole of a dilute gas initially has a pressure equal to 1.00 atm, and a volume equal to 27.0 L. As the gas is slowly heated, the plot of its state on a PV diagram moves in a straight line to the
Find the final temperature of the system, assuming no heat is transferred to or from the system.
The reaction A + B --> P at temperature 25°C is the second order reaction with the rate constant k. The initial concentrationsof A and B are [A]0 = 2.0 M and [B]0 = 3.0 M.The rate of the reac
Large electric fields in cell membranes cause ions to move through the cell wall. The field strength in a typical membrane is 1 E^7 N/C. What is the magnitude of the force on a calcium ion with char
Rates of reactions can be determined by monitoring the change in concentration of either reactants or products as a function of time. Is there reaction even if the concentrations do not change? Wh
Find the upward velocity from which the insect takes off and how high would the insect jump if air resistance were negligible?
A person travels by car from one city to another with different constant speeds between pairs of cities. She drives for 30.0 min at 85.0 km/h, 7.0 min at 70.0 km/h and 50.0 min at 60.0 km/h, and sp