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If a sample of H2O containing 2.00 moles is initially at 30.0C. If the sample absorbs 2.00 kJ of heat, define what is the final temperature of the H2O? The specific heat of H2O is 4.184.
Show that the ratio of the surface area to the volume of the sphere is smaller than that for a cube of equal volume
the quantity of cl1- in a water supply is determined bytitrating the sample with ag1. how many moles of chloride ionare
calculate the ph of a solution of calcium carbonate having [calcium ion]=1.3x10^-4M,[carbonate ion]=3.8x^10-5M and [HCO3]=8.8X10^-5M
Using a sample of gas has a mass of 38.7mg. Calculate the molar mass if its volume is 228mL at a temperature of 57°C and a pressure of 832torr?
Does replacing copper nitrate solution with copper chloride solution effect anything? if so, what and why?
Complete the following table with the correct formulas from the ions
What volume in liters of gaseous hydrogen chloride can be prepared from 40.0 liters of hydrogen with excess of chlorine. All volumes are measured at STP.
Iron(III) oxide reacts with carbon to give iron and carbon monoxide; Fe2O3(s)+3C(s)-->2Fe(s)+3CO(g). a) How many grams of C are required to react with 2.50 mol of Fe2O3
phosphorus-32. is a radioactive isotope with a first order constant of 0.0485 days-1.if a sample has an initial mass of 0.48g of phosphorous-32,how much of the isotope remains after 15.5 days?
Calculate the pH of the solution after the addition of 30ml of 0.1M NaOH. Show you work. Draw the structure of the form is His predominating in solution at neutral pH.
Using a band diagram, explain how magnesium can exhibit metallic behavior when its 3s band is completely full.
5.00 grams of magnesium bromide are dissolved in two liters of water. What is the total number of moles of ions in the resulting solution
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