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On the bottom of a sea (depth: 10m) a bubble of a mathane gas if formed (diameter, d bottom=1 cm). Explain what is the diameter of the bubble when it reaches at the surface? The seawater temperature is 5 C at the bottom and 25 C on the surface
One tablespoon of peanut butter has a mass of 15g. It is combusted in a calorimeter whose heat capacity is 130 kJ/degree centigrade. The temperature of the calorimeter rises from 22.3 to 25.3 degree centigrade. Find the food caloric content of pea..
KCL has the same structure as NaCl, the length of the unit cell 638 pm the denstiy of KCl is 1.984 g/cm3 and its formula mass is 74.55 amu. what is avogadro's number?
Calculate the volume of reagent required for each reaction in this lab sequence, assuming the tarting mass of copper used is 1.00g. Concentrations of reagents are
A perfume company wants to dispense 53.7 gallons of a new frangrance into small vials. How many 25.0 ml vials can they fill(rounded to the nearest full vial)
Identify the relative molar amounts of the species in 0.10 M NaBr(aq). If equal, place the species in the same box. H2O OH- H30+ Br- Na+ NaBr
5 ml of 0.05 M CuSO4 solution was mixed with 5 ml of 3 M NH3 solution.Calculate [Cu2+] in equilibrium with Cu(NH3)4^2+. Experimentally the cell potential was found to be 0.387
The reusable booster rockets of the space shuttle utilize a mixture of aluminum and ammonium perchlorate as fuel. A possible reaction is given below.
Consider an ideal gas with a volume of V1. To what volume would you need to compress the gas to double its pressure?
Calculate the equilibrium pressure of NO if 2.00 atm and 1.00 atm of O2 are initially placed in a 1.0L container at 440K and the final total pressure in the container
Explain is there a way to understand what goes on what wedges, dashes as well as lines out of the plane, behind the plane and in the plane?
The mixture in the flask is ignited by a spark as well as the reactions represented below occur until one of the reactants is completely consumed.
Calculate the inital pH of buffers A, B, & C using the Henderson-Hasselbach equation.
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