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The Liquid nitrogen has a density of 0.808 g/mL at -196 C. If 540.0 mL of LN2 is injected into a weather balloon to inflate it, define what is the final volume of the balloon at 1 bar and 27 C?
how many grams of sodium lactate should be added to 1.00 l of 0.160 m lactic acid to form a buffer solution with ph
Elemental exonium (not a real element) consists of two major isotopes Abundance Mass 59% 94 amu 41% 112 amu What is the atomic weight for exonium? Answer in units of amu
What mass of isopropyl alcohol (C3H8O) in grams can be melted when a sample absorbs 1575 kJ of heat at its melting point? (Isopropyl alcohol: ?Hfus = 5.37 kJ/mol)
Redox titrations are used to determine the amounts of oxidizing and reducing agents in solution. For example, a solution of hydrogen peroxide,H2O2 , can be titrated against a solution of potassium permanganate,KMnO4
Calculate the molarity of a solution made by dissolving 0.150 mol Na2SO4 in enough water to form exactly 760 mL of solution.
What changes would I make in my experimetal procedure to determine the rate law for the oxidation of red dye by sodium hypochlorite
The Born-Haber cycle is a series of steps that represent the formation of an ionic compound from a metal and a nonmetal. For example, the steps in a Born-Haber cycle for the formation of NaCl(s) consist of sublimation of the metal Na atom (?Hsubl-..
Aqueous ammonium chloride and aqueous lead(II) nitrate Express your answer as a chemical equation. Identify all of the phases in your answer. Enter NOREACTION if no reaction occurs.
Explain Radio waves travel at the speed of light, 3.00x10^8 m/s. if you were to transmit a question to an astronaut on the moon, which is 239,000 miles from earth, Define the minimum time that you would have to wait to receive a reply
Explain which of the following choices are conjugate acid-base pairs and will produce a buffer solution. Please explain your reasoning. There may be more than one correct choice.
Write chemical equations for the reaction of fluorine with the following substances, making sure that the numbers and kinds of atoms are the same on both sides of the equations. If no reaction occurs, write noreaction
a mixture of methane ch4 and ethane c2h6 is stored in a container at 294 mmhg. the gases are burned in air to form co2
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