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A student creates a position vs. time graph for the oscillation of an object. The equation for the graph is determined to be: x = (0.25 m) cos (3.0 t) What is the period of oscillation?
A saturated solution of copper(II) sulfide, CuS, has [Cu^2+]=1.1x10^-18 M. what is the value of Ksp for CuS
A researcher suspects that the pressure gauge on a 49.9-L gas cylinder containing nitric oxide is broken. An empty gas cylinder weighs 135 lb. The weight of the partially full cylinder is 161.5 lb. This cylinder is located in a relatively chilly s..
A boiler is used to heat steam at a brewery to be used in various applications such as heating water to brew the beer and sanitizing the brewing tanks
70.0 l stainless steel container was charged with 3.00 atm of hydrogen gas and 4.00 atm of oxygen gas. a spark ignited
you want a solution that will buffer the addition of either 10 micro moles of acid or 10 micro moles of base. total buffer concentration is equal to the concentration of the acid plus the concentration of salt in the acid. which of the following b..
Calculate the average molecular weight of a gaseous mixture with the following composition on a mole % basis: CH4= 30%, H2= 10% and N2= 60%.
Are radio waves sound waves? Explain. What is the range of wavelengths of visible light? How do these wavelengths compare to those of audible sound? With what speed do electromagnetic waves propagate in vacuum?
Lucas Test. For each compund, drae its structure and note the amount of tome it takes for the soultion to become cloudy
Problem- What is the chemical reaction for extracting benzoic acid from acetanilide. Also what is the chemical reaction for the recrystallization of benzoic acid and acetanilide
write the condensed electron configurations for the rm ga atom.express your answer in condensed form in order of
Using the weak acid that you were assigned in this experiment and .100M NaOh, describe exactly (show calculations) how you would prepare 100.0mL of a buffer at pH = 5.50
How can autonomic nervous system imbalances create problems or failures in our bodies?
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