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A mixture consisting of 0.130 mol N2, 0.041 mol O2, 0.100 mol CH4, and an unknown amount of CO2 occupies a volume of 8.90 L at 25°C and 1.09 atm pressure. How many moles of CO2 are there in this sample
One beaker contains pure water, another contains salt water, and another contains sugar water. How can you tell the which beaker is Which?
What is the oxidation number of chlorine atom in Clo- c)What is the oxidation number of manganese in MnO2
What % of the bromide ions remain in solution, i.e., unprecipitated, just before silver chloride begins to precipitate? Ksp for AgCl=1.8x10^-10, Ksp for AgBr=3.3x10^-13
How many moles of ammonia are required to react completely with 146 L of oxygen gas according to the following reaction at 0 C and 1 atm
Calculate the concentration of Hg2+, HgCl+, and HgCl2 that result when 1.00 L of a 0.100M Hg(NO3)2 solution is mixed with an equal volume of 0.100M HgCl2 solution.
What volume of oxygen is needed to react with solid sulfur to form 6.20 L of sulfur dioxide?
To make a 325 mL solution of 0.150 M NaCl, how many grams of NaCl need to be weighed out?
Write the formulas for each of the following ions and compounds: (a) tetrahydroxozincate(ll) (b) pentaaquachlorochromium
An empty beaker has a mass of 42.889 g. 10.00 mL of NaCl solution are placed in the beaker. The mass of the beaker and solutionis 54.129 g.
Energy level of electrons in atoms - The 3s level in hydrogen has a lower energy than the3d level in hydrogen.
A cumbustion analysis was carried out on 1.621g of newly synthesize compound which was known to contain only carbon,hydrogen and oxygen.
A gas-filled balloon having a volume of 6.00 L at 1.2 atm and 25°C is allowed to rise to the stratosphere (about 30 km above the surface of Earth), where the temperature and pressure are -23°C and 3.00 10-3 atm, respectively. Calculate the final v..
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