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Write the complete balanced molecular, ionic, and net ionic equations for the reaction of potassium phosphate + aluminum nitrate. Which product, if any, is a precipitate?
how many of the following changes wouldalter the numerical value of the equilibrium constant kp for the reaction 2of2g
a piece of lead is placed into a graduated cylinder. the level of the liquid rises from 235 to 305 ml. what is the mass
A 65 L sample of dry air cools from 133°C to -16°C while the pressure is maintained at 2.85 atm. What is the final volume?
Calculate the mass defect in Fe-56 if the mass of an Fe-56 nucleus is 55.921 amu. The mass of a proton is 1.00728 amu and the mass of a neutron is 1.008665 amu. Answer 3.507 amu 1.056 amu 0.079 amu 0.564 amu 0.528 amu
if 100.0 grams of copper cu completely reacts with 25.0 grams of oxygen how much copperii oxide cuo will form from
Questions on H-NMR spectrum of isopentyl acetate - What would the effect on yield be of allowing the crushed Dry Ice to be exposed to the atmosphere for long periods of time before being used?
Oxygen gas is commonly sold in 50.0L steel containers at a pressure of 145 atm. What volume (in liters) would the gas occupy at a pressure of 1.16 atm. if its temperature remained unchanged
How many sodium ions are needed to provide the free energy to transport a molecule of glutamic acid from a concentration of 0.1 mM outsie the cell to 20mM inside the cell given a concentration of Na+ of 140 mM outside the cell to 10mM inside the c..
What is the maximum amount of Cl2 that can be produced by this reaction. Calculate the amount of excess reactant.
A mixture of gases contains 1.35 g of N2, 2.64 g of H2, and 2.38 g of NH3. If the total pressure of the mixture is 1.64 atm, what is the partial pressure of each component. PN2 atm PH2 atm PNH3 atm
Energy level of electrons in atoms - The 3s level in hydrogen has a lower energy than the3d level in hydrogen.
If a 220 piece of gold (density =19.32 ) is hammered into a sheet measuring 2.3*1.0 ft. , what is the average thickness of the sheet in meters?
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