A student added calcium ion ca2 to an aqueous solution and
A student added calcium ion, ca2+ to an aqueous solution and observed formation of a precipitate. Addition of HNO3 had no effect on the precipitate. What anion wa present in the original solution? Explain your answer
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A sinusoidal wave traveling on a string has a period of 0.21s, a wavelength of 32cm, and an amplitude of 5.0cm. compute the speed of this wave
At the top of the earth's atmosphere during the early summer, at what latitude would you expect to receive the most solar radiation during a 24 hour period?
The Coal is fed with 200% excess water ( excess is calculated with respect to CO formation) 100% of coal is consumed. the selectivity to CO (with respect to CO2) is 1:1 the functional conversion of the CO is 50% what is the final gas composition.
A small rocket to gather weather data is launched straight up. Several seconds into the flight, its velocity is 120 m/s, What is the net force on the rocket
Your friend, who is exactly the same age as you, travels at a speed of 0.9990c to a star 25 light-years away. How long does she measure for the time she is away
CBA has $5,000,000 in retained earnings and has declared a stock dividend that will increase the number of outstanding shares by 6%. What will be the capital in excess of par account after the stock dividend?
At 22 °C an excess amount of a generic metal hydroxide M(OH)2, is mixed with pure water. The resulting equilibrium solution has a pH of 10.21. What is the Ksp of the salt at 22 °C?
You are given a pendulum composed of a 0.038 kg mass on the end of a 0.6 m long massless string. compute the velocity of the mass as it passes through the vertical
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