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The energy from condensing steam water is used to melt ice at 0 degrees Celsius. How much ice can be melted by condensing 1.0 kg of H2O vapor? (Delta H fus of ice= 6.01 kj/mol) (Delta H vap of water
Alkanes are organic molecules that contain only carbon and hydrogen atoms connected through single bonds. In the IUPAC naming system, all alkanes end in the suffix ane and begin with a prefix determ
A 30.00 mL solution of potassium nitrate (KNO3) was diluted to 125.0 mL, and 25.00 mL of this solution were then diluted to 150.0 mL. The concentration of the final solution is 0.00307 M. Calculate
Henry's constant for CO in water at 25 degrees Celsius is 9.71 x 10^-4 mol/L atom. How many grams of CO will dissolve in 1.00 L of water at a CO partial pressure of 2.75 atm
n evacuated 1.00L gas bulb was filled at STP with 1.34g of an unknown hydrocarbon, which was then burned in excess oxygen, completely converting it to Carbon dioxide and 2.41 g of water. What is the
Match the following physical and chemical properties with the compounds cyclohexane,C6H12 , or calcium nitrate, Ca(NO3)2. CHOICES: A: C6H12 or B: Ca(NO3)2
The concentrations of ozone in Los Angeles has been measured at 441 ppb. Los Angeles sits at an altitude of 7400 ft where the atmospheric pressure is only 0.67 atm. Calculate the partial pressure (i
Calculate the required quantity of each reagent and the volume of water that must be added for dilution. a. Chlorine water
A traveling wave is produced on a rope. The wave travels until it hits a wall and it is reflected. If the speed of the wave is 1.8 m/s and it takes 6.5 s to get back to the starting point, how long
The average distance between planet X and Earth is about 2.59 x 108 miles. How long (minutes) would it take pictures transmitted from a space vehicle on Planet X's surface to reach Earth
Magnesium metal is used as a sacrificial anode to reduce the corrosion of underground storage tanks (made of iron, or more accurately, steel which is an iron/carbon alloy). As a result the sacrifici
Which families of organic compound does butane transform to in hydrogenation reaction? If no reaction would likely to occur, choose "No reaction."
Suggest a reasonable synthetic strategy for the synthesis of 3,5-dinitrobenzyl alcohol from benzaldehyde.
What volume of 3.50M H2S is required to react with excess O2 to produce enough NH3 to fill a cylinder that is 50ft long and has a diameter of 13 ft at a pressure of 450 torr and 20°F
What is the value of Kc if the extent of dissociation in 0.100M lactic acid is 3.65% at 25 Degree C?
In an Fe and Cr voltaic cell where the Fe is in Fe(NO3)2 and the Cr is in Cr(NO3)3; calculate the cell potential at 25 C if the initial concentration in the half cells are as follows [Cr 3+] = 2.45M
Geologists can estimate the age of rocks by their uranium-238 content. The uranium is incorporated in the rock as it hardens and then decays with first-order kinetics and a half-life
Calculate the expectation value for the potential energy of the H atom with the electron in the 1s orbital. Compare your result with the total energy
what product would you expect from the reaction of one equivalent of 1 propanol with phthalic anhydride ?
There are two stereoisomeric 1,3-cyclobutane carboxylic acids. one can form a cyclic anhydride, the other can not. draw the structures of theses compounds and indicate which one can be converted to
Use ΔG=ΔH-TΔS to calculate the standard free energy change, ΔG, at 25oC for the following reaction: CaCO3(s)-->CO2(g) + CaO(s)
Calculate the pH at the equivalence point for the titration of 0.25 M CH3COOH with 0.25 M NaOH. (For CH3COOH, Ka= 1.8 × 10^-5)
Identify the group of elements that corresponds to the following generalized electron configuration: [noble gas]ns^2(n-2)f^6?
Indicate the number of unpaired electrons for following: [noble gas]ns^2(n-2)f^6 ? Please include the rationale?