Calculate the molality and mole friction and the molarity
Calculate the molality, mole Friction and the molarity of the magnesium nitrate in the solution when an aqueous solution is 15.25% Magnesium Nitrite by mass and the density of the solution is 1.0235 g/mL.
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An object of 11.0 kg is joined to a cord which is wrapped around a wheel of radius r = 8.0 cm. The acceleration of the object down the frictionless incline is evaluated to be 2.00 m/s2. Suppose the axle of the wheel to be frictionless. Find out th
At 3:10:26 at the altitude of 4200, skydiver opens parachute. Determine skydiver's average speed during 26-second free-fall?
Determine the numbers of Seconds would be needed for the initial concentration of Fe 3+ to decrease to each of following values: 25% left, 12% left, 6.25% left, 3.125% left?
Determine the coefficient of H2O when the half-reaction below is balanced in the BASIC SOLUTION with lowest whole number of coefficients? On which side of the equation does water appear?
A jeweler's lens of focal length 2.7 cm is employed as a magnifier. With the lens held close to the eye, find out the following. (i) Determine the angular magnification if the object is at the focal point of the lens?
The friend drove her home in the car traveling at 25 mi/hr. Lois took 1.5 hr longer to go to the friend's than to return home. How many hours it took Lois to ride to friend's house?
Identify the amine when a Hofmann degradation of a primary amine forms an alkenes that gives butane and 2-methylpropanal upon ozonolysis and workup under reducing the conditions.
Discuss what will be the pH of the bath tub due to the above reaction after 30.0 minutes if the bath tub holds 100.0 liters of water and the battery is able to produce an average current of I=0.09600 amps for this period of time.
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