Question-speed of the proton
A proton in a linear accelerator has a de Broglie wavelength of 144 rm pm. What is the speed of the proton?
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After you preform your experiment, you determine that the Kf value for naphthalene is 6.91 . You are using 10g of naphthalene and added 1.0 g of your unknown. The the freezing point of the solvent decreased by 4.45 when the unknown was added. Know
As an entrepreneur, there are going to be many decisions that you need to make, such as the price to charge your customers for your goods and services. You have just graduated from college and recently opened a specialty pizza restaurant. Based on
A meteorological ballon contains 250.0L He at 22 degrees celsius and 740.0mm Hg. If the volume of the ballon can vary according to external conditions, what volume would it occupy at an altitude at which the temperature is -52 degrees celsius and
Pure ethanol has a density of 0.78945 g/cm ³ at 20.0 °C and 0.80625 g/cm³ at 0.0° C. What will be the difference in mass that a 500.0mL flask will hold at 0.0°C from that at 20.0 °C? Assume the volume of the sample at 0.0
Phenol Red is an H-Indicator. The skeleton reaction is. What happens in the first reaction in order to produce the yellow solution?
Suppose you purchased 500 shares of the Fidelity Nasdaq Composite Index Tracking Stock (ticker = ONEQ) on January 1 at $50 each. On March 1 the price reached $60, and you became nervous at having earned a large return in two months.
By now, I am sure all of you have been employed. List at least 4 items that have been withheld from your paycheck other than Federal Withholding Tax and State Withholding tax. Which deductions are required by law, and which ones are optional? How
A 0.1000M solution of ethanoic acid (HC2H3O2) is only partially ionized so that [H+]=2.25X10^-3M. What is the acid dissociation constant for this acid?
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