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Briefly explain why nitrogen is considered to be the most limiting plant nutrient in humid environments. Explain the possible fates of ammonical nitrogen fertilizer applied to a coarse textured soil with a pH > 7. Discuss the importance of nitrogen source, method of application and timing on availability of added N to crops.
you are a manufacturer of antacids. you could use either mg (oh)2 or al(oh)3 in your formulation. you can buy either of these for $2.00 per pound.
A gaseous mixture containing 0.220 mol fraction of carbon tetrachloride (CCl4) and 0.780 mol fraction of dry air is initially at 75.0°C and 1117 mmHg
What is the molecular formula of a compound given the molar mass of the compound is 205.4 g/mol and the empirical formula is C3H5.
An alien rocketship is traveling at a speed of 40 inches per minute. At this speed, how many feet will it travel in 1 second? Round to the nearest thousandth.
The thermostat in a refrigeraor filled with cans of soft drinks malfunctions and the temperature drops to below 0 degree Celsius. The contents of the cans of diet sodas freeze, rupturing many of the cans.
Iodine is prepared both in the laboratory and commercially by adding Cl2(g) to an aqueous solution containing sodium iodide. How many grams of sodium iodide, NaI must be used to produce 19.1g of iodine, I2
Hemoglobin is the protein that transports O2 through the blood from the lungs to the rest of the body. In doing so, each molecule of hemoglobin combines with four molecules
The density of a given solid and liquid of molar mass 147.2 g/mol at its normal melting temperature of 372.54 K are 992.6 Kg m-3 and 933.4 Kg m-3, respectively. If the pressure is increased to 120 bar, the melting temperature increases to 375.88 K..
How many grams of Potassium Chlorate decompose to passium chloride and 638mL of O2 at 128 degrees C and 752 Torr. 2KClO3 (s) => 2KCl (s) + 3O2(g)
In biological and medical applications, it is often necessary to study the autoionization of water at 37 degrees centigrade instead of 25 degrees centigrade. given that Kw for water is 2.5 X 10^-14 at 37 degrees centigrade, calculate the pH of pur..
Calculate the pH after 37.9 mL of NaOH has beed added. pH= ______. At what volume (in mL) of NaOH added does the pH of the resulting solution equal 7.00? Include the units of mL in your answer.
How many grams of NO2 will be produced when 2.0 L of nitrogen at 840mmHg and 24 C are completely reacted N2+2 O2-----2 NO2 How exactly do you calculate this
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