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Hospital X-ray generators emit X-rays with wavelength of about 15.0 nanometers (nm), where 1 nm= 10^-9 m. What is the energy of the X-rays
A 16.4-L sample of gas at STP is heated to 55°C at 605 torr. What is the new volume?
Calculate the molarity of a solution made by dissolving 0.150 mol Na2SO4 in enough water to form exactly 760 mL of solution.
What is the pressure inside a 5.00 L vessel containing 0.0040 mol of nitrogen gas at a temperature of 23 degrees C
I know it is a dilution problem but I am lost other than that. Please help. The concentrations and final volumes were given in a table and paired by the way.
As a food chemist for a major potato chip company, you are responsible for determining the salt content of new potato chips products for the packaging label.
how many moles og Agcl are produced when 100.0mL of 358 M silver nitrate and 50.0mL of .716 M sodium chlroide are mixed?
how many phosphoester bonds and phosphoanhydride bonds are in adenosine
if the reaction produces 5.72 grams of a compound called magnesium ammonium phosphate,MgNH4PO4. what is the percentage of phosphorus in the original plant food sample?
What is the pH of 1.0 x 10^-4 M phenol where ka = 1.3 x 10^-10? This is a weak acid under dilute conditions. You need to take into account water self-dissociation to find the hydronium concentration.
Calculate a lattice energy for (in kilojoules per mole) using the following information.
It takes 55.0 J to raise the temperature of an 10.3 g piece of unknown metal from 13.0C to 24.7 C. What is the specific heat for the metal?
Calculate the heat required to raise the temperature of 1.5 L of a liquid with a density 0.75 g/mL and a specific heat of 2.2 J/g/K
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