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a 5.00 mL sample of isopropyl alcohol has a mass of 3.930 g when measured at 20 degrees Celsius? what is the specific gravity of isopropyle alcohol?
Write a function named sort that takes three integer parameters by reference. The function should rearrange the parameter values so that the first parameter gets set to the smallest value, the second parameter gets set to the second smallest value, a..
write a report about the chemical equation about the combusiton of butane. the report must include the equation, a brief history about the combustion of butane and its importance to the world and any dangers involved.
Draw a class diagram that represents the relationship between parents, children, and grandparents. Take into account that a person can have both a parent and a child. Annotate associations with roles and multiplicities.
Write a Java program that accepts a positive long integer between 2 to 15, and then using the number, calculate its factorial (n!). Using do-while statement, make sure it only accepts a valid number (between 2 and 15) - if an invalid number is ent..
500.0 g of ammonia react with 51.0 moles of sulfuric acid to produce ammonium sulfate. How many moles of excess sulfuric acid are left over after the reaction is complete?
A graph is two-connected iff, removal of any single vertex and the edges adjacent to that vertex, leaves the graph connected. How can we tell if a graph is two-connected? Explain your algorithm in English
Which of the following reduces the solubility of calcium fluoride?
How much heat in kilojoules is required to warm 10.0 of ice, initially at -10.0, to steam at 125. The heat capacity of ice is 2.09 and that of steam is 1.84 .
Design the static method below to count and return the frequency of each digit in the array of strings.
Write a java program that allows the user to enter a letter (as a code) and a real number (as the radius of a circle). If the letter is 'A' your program must calculate the area of the circle. If the letter is 'C' your program must calculate the ci..
Calcium metal has a density of 1.55g/cm3 and crystallizes in a cubic unit cell with an edge length of 558.2pm. a. how many Ca atoms are in one unit cell?
Evaluate the energy of an electron excited from a hydrogen atom using Bohr's model. Determine the maximum wavelength of energy needed to observe a photoelectric effect for potassium.
The calorimeter cup had several millimeters of water in it when you added the HCl in Step 16: b.) The base solution was added to the acid solution but was not stirred while temperature measurement were not made: c.) Some of the base splashed out o..
Calculate the final concentration of a sodium hydroxide solution prepared by adding 10.00mL of 5.325M sodium hydroxide stock solution into a 250.00mL volumetric flask and then filling to the mark with de-ionized water.
Determine the empirical formula of a hydrocarbon which has 92.24% C and 7.76% H. If 0.500 g of this hydrocarbon occupies 0.086 L at STP, determine the molecular weight of the compound.
a soulution is prepared by mixing 25.0ml of .100M HCL and 2.00mL of .200M NaCl. what is the molarity of the chloride ion solution
Barium sulfate, BaSO4, is made by the following reaction: Ba(NO3)2(aq) + Na2SO4(aq) à BaSO4(s) + 2NaNO3(aq).
25.0 ml of 0.212 M NaOH ia neutralized by 13.6 ml of an HCl solution. The molarity of the NAOH solution is?
what is the molar mass of a gaseous element that Effuses through an opening of a box 1.12 times as fast as argon at the same temperature.
calculate the sodium ion concentration in a solution formed by diluting 35.00 mL of a .585 M sodium phosphate solution to a final volume of 145.00 mL
Reaction kinetics - Determination of the activation energy of the reaction between oxalic acid and potassium permanganate.
calculate the solubility of Ca(OH)2 in a 0.469M Cacl2 solution at 31 Degrees, given the Ksp of Ca(OH)2 is 4.96*10^-6. give answer in milli molar units.
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