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When magnesium metal is ignited and burned in pure nitrogen, magnesium nitride, Mg3N2 is produced. This reaction occurs to a small extent when magnesium is burned in air. When magnesium nitride is placed in water, it is decomposed to give the same magnesium containing product as formed from magnesium oxide and water. There is also a strongly odored gaseous product formed. What is the gas? Write a balanced equation that describes the reaction of magnesium nitride and water.
If you remove a piece of paper with a secret message written with lemon juice from a tincture iodine bath and let it dry, what will happen over a long period of time? Explain why?
For the reaction shown, calculate how many grams of each product form when the following amounts of reactant completely react to form products. Assume that there is more than enough of the other reactant.
Calculate the volume of 0.50M NaOH needed to exceed saturation by 10% the volume from question 4 of 0.50M Mn(NO3)2 with Mn(OH)2.
Determine the mass of phosphorus (P) is required to make 39 grams of this product?
A 2.446 g sample thought to contain only one volatile substance, MgCO3, was heated in a nitrogen atmosphere for 30 minutes. After cooling
a solution contains 55 grams of ascorbic acid in 250 g of water freezes at -2.34 degrees C. calculate the molar mass of the solute
If I took 5mg of salicylic acid and added it to a 500mL volumetric flask and bringing it up to volume with a 0.1M NaOH solution what would be the concentration of this?
a quanity of gas exerts a pressure of 98.6 kpa at a tempature of 22 degrees celcius. If the volume remains unchanged, what pressure will it exert at -8 degrees celcius
When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced. CaCO3 + 2HCl image from custom entry tool CaCl2 + H2O + CO2
The original conditions in a container filled with gas at constant temperature are 183 mL and 310 mmHg. The desired new volume is 90.6 mL.
calculate the moles of CO2 you would theoretically expect from 0.203 grams of an alka-seltzer tablet at 700. torr and 285. K.
Calcuate the molalities of MgSO4, Mg2+, and SO4 in a 0.05000m solution of MgSO4 at 25 degree and at 250 degree. Find the appropriate log K's in Soltherm
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