Will reported mass of limiting reactant in mixture is high
The CaC2O4-H2O precipitate is not completely air-dried when its mass is determined. Will the reported mass of the limiting reactant in the original salt mixture be reported too high or too low? Explain.
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An empty freight car of mass M starts from rest under an applied force P. At the same time, sand begins to run into the car at steady rate b from a hopper at rest along the track. Find the speed when a mass of sand, m, has been transferred.
Kc = 3.59 at 900 °C. For each of the following measured concentrations determine whether the reaction is at equilibrium. If not at equilibrium, in which direction will the reaction proceed to get to equilibrium.
Iron has a density of 7.87 g/cm3, and the mass of an iron atom is 9.27 × 10-26 kg. If the atoms are spherical and tightly packed, (a) what is the volume of an iron atom and (b) what is the distance between the centers of adjacent atoms?
A chair of weight 105 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 35.0 directed at an angle of 43.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate,
The temperature of the solution went up to 29degrees C. If calorimeter constant is 11 cal/deg C, find delta H for the solution of one mole of NaOH in H2O.
Describe the differences between nonprofit and for-profit hospitals.Describe at least three major trends that have occurred within the hospital sector. Give three examples that describe and differentiate the roles of hospitals and nursing homes in pr
Three uniform thin rods, each of length L = 35 cm, form an inverted U. The vertical rods each have a mass of 18 g; the horizontal rod has a mass of 35 g. What are (a) the x coordinate and (b) the y coordinate of the system's center of mass? (Give
If we place the origin in the nest and extend the +x-axis to the release point, what was the bird's average velocity for the return flight? (m/s). What was the bird's average velocity in {rm m/s} for the whole episode, from leaving the nest to retu
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