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In spreading liquid ammonia fertilizer, the charges for the amount of ammonia used are based on the time involved plus the pounds of ammonia injected into the soil. After the liquid has been spread, there is still some ammonia left in the source tank (120 ft3) but in the form of a gas. Suppose that your weight tally, which is obtained by difference, shows a net weight of 125 lb. of ammonia at 292 psig. Because the tank is sitting in the sun, the temperature in the tank is 125 oF. Your boss complains that his calculations show that the specific volume of the ammonia gas is 1.20 ft3/lb and that there are only 100 lb. of ammonia in the tank. Could he be correct?
Assuming that a particular individual's stomach contains 1 quart of 0.1 M HCl, and that an antacid tablet contains as its active ingredient 500 mg of calcium carbonate, what would the final pH of this individual's stomach contents be after taking ..
At 400 K, an equilibrium mixture of H2, I2, and HI consists of 0.015 mol H2, 0.012 mol I2, and 0.025 mol HI in a 4.50-L flask. What is the value of Kp for the following equilibrium? (R = 0.0821 L · atm/(K · mol))2HI(g) H2(g) + I2(g)
What is the volume of a gold nugget that weighs 2.20kg. The density of gold is 19g/cm^3? I set it up with D=M/V, but my answer of .0.008636 cm^3 isnt an option.
Explain Coronary Artery Disease: Good and Bad Cholesterol, A middle-aged man has been diagnosed as being at high-risk of developing Coronary Artery Disease.
Which one of these equations describes a redox reaction. 2Al+3H2SO4(aq)-->Al2(SO4)3(aq)+3H2(g), 2KBr(aq)+Pb(NO3)2(aq)-->2KNO3(aq)+PbBr2(s), CaBr2(aq)+H2SO4(aq)-->CaSO4(s)+2HBr(g), H+(aq)+OH-(aq)-->H2O(1), CO.-(aq)+HSO4-(aq)-->HCO3-(aq)+SO42-(aq)
Consider a glass of 262 mL of water at 28°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved.
Which of the following compounds would produce a single product when treated with Cl2 in the presence of ultraviolet radiation and why A) butane B) 2-methylpropane C) 2,2,-dimethylpropane D) All would produce multiple products
A) which is the limiting reactant? B) how many moles of AlCl3 are formed? C)how many moles of the excess reactant remain at the end of the reaction? I get the limiting reactant but not understanding the moles and how many moles of excess reactant.
What are the two pKa values for carbonic acid? What is the pH of a 0.100M solution of potassium bicarbonate. What is the pH of a 0.100M solution of potassium carbonate
What is the difference between a certain number and an uncertain number in a measurement. which certain and uncertain numbers count as the significant figures of a measurement
It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy for an atom of hydrogen, making the assumption that ionization is the transition from n=1 to n=∞.
a student titrates 0.738 grams of an unknown solid, weak acid with 0.1027 Molarity NaOH. What is the molecular weight of the unknown solid, weak acid?
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