What weight of pure h2so4 is present
What weight of pure H2SO4 is present in each liter of concentrated sulfuric acid whose density is 1.86 g/ml and which contains 98% by weight H2SO4?
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How many grams of concentrated hydrochloric acid, containing 37.9% HCl by weight, will give 5.0 grams of pure HCl?
The ball's initial speed is 12.0 m/s. At the same instant, a person is running on the ground at a distance of 26.0 m from the building. What must be the average speed of the person if he is to catch the ball at the bottom of the building?
A charge of 8.0 pC is distributed uniformly on a spherical surface (radius = 2.0cm), and a second charge of -3.0 pC is distributed uniformly on a concentric spherical surface (radius = 4.0cm). Determine the magnitude of the electric field 5.0cm fr
The compression ratio is 13.5 and the maximum pressure is 50 bar. The initial conditions are 1 bar and 20oC. Calculate the temperature, specific volume and pressure at the beginning of each process.
What weight of pure H2SO4 is present in each liter of concentrated sulfuric acid whose density is 1.86 g/ml and whichcontains 98% by weight H2SO4?
A uniform electric field of magnitude 339 N/C is directed along the +y-axis. A 5.00 µC charge moves from the origin to the point (x, y) = (-30 cm, -39 cm). (a) What is the change in the potential energy associated with this charge?
A 1.00-kg object is observed to accelerate at 10.0 m/s2 in a direction 30.0 north of east. The force F2 acting on the object has a magnitude of 5.00 N and is directed north. Determine the magnitude and direction of the force F1 acting on the objec
The maximum temperature is 2500 K. Determine the thermal efficiency and the mean effective pressure for the cycle.
Find (a) the energy absorbed as heat and (b) the change in entropy of a 4.60 kg block of copper whose temperature is increased reversibly from 46.3°C to 95.5°C. The specific heat of copper is 386 J/kg·K.
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