What should you observe happening to the gas produced a if
For the reaction: 2HCl(aq) + CaCO3(s) = CaCl2(aq) + H2O(l) + CO2(g). What should you observe happening to the gas produced: A) If the concentration of the acid HCl is increased? B) If the solid calcium carbonate is in powder form?
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Which gives a better measure of the pH: the universal pH paper or a pH meter. Can distilled water be an effective buffer
A uniform disk with a mass of 775 g and radius 17.0 cm is rotating on frictionless bearings with an rotational speed of 18.0 Hz, What is the new rotational speed of the disk
Write the overall balanced equation of potassium permanganate with sodium oxalate in acidic solution using the half reaction method. Indicate the oxidation states for each species as well as the oxidizing agent and reducing agent.
A m = 3 kg steel ball strikes a wall with a speed of v = 10 m/s at an angle of ?i = 60? with the surface. Determine the impulse given to the ball
What should you observe happening to the gas produced: A) If the concentration of the acid HCl is increased? B) If the solid calcium carbonate is in powder form
A horizontal spring with a spring constant of 0.5 N/m sits on a frictionless table. what is the magnitude of the acceleration of the mass
Develop a system for stock information where brokers can access information about companies and evaluate various investment sceneries using a simulation system.
The temperature of a reaction was increased from 20 to 40deg.C. You were determining the rate of reaction at each of the 2 temperatures. The second reaction should be faster by how much
The magnetic coils of a tokamak fusion reactor are in the shape of a toroid having an inner radius of 0.700 m and an outer radius of 1.30 m. Find the magnitude of the magnetic field inside the toroid along the outer radius
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