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Complete and balance each of the following equations for acid-base reactions. HI(aq)+Sr(OH)2(aq)? Express your answer as a chemical equation. Identify all of the phases in your answer.
Radium-226 (atomic mass = 226.025402 amu) decays to radon-224 (a radioactive gas) with a half-life of 1.6x10^3 years. What volume of radon gas (at 25 C and 1 atm) is produced by 22 grams of radium in 4.5 days.
Calculate the mass/volume percent of a NaCl solution in which 186 g of NaCl is dissolved in enough water to give a total volume of 1.67 L
What is the heat of reaction for 1 kg of the mixture calculated using heat of combustion data for a fuel comprised of 10% ethanol and the rest octane? How much is the heat of reaction reduced by adding the 10% ethanol to the octane
You will then make a Kool-Aid solution by dissolving the powder in an entire packet of lemon-lime Kool-Aid in 250.00 mL solution. You find the powder in a packet of lemon-lime Kool-Aid has a mass of 3.629 g.
Dentists might use a mixture of 40% N2O and 60% O2 as an initial anesthetic of nitrous oxide(although exact proprtions may vary). Determine the entropy of mixing for 1 mole of such a mixture. Assume ideal gas conditions.
The activation energy for the diffusion of car- bon in chromium is 111,000 J/mol. Calculate the diffusion coefficient at 1100 K (827??C), given that D at 1400 K (1127??C) is 6.25 ?? 10??11 m2/s.
Assume the discharge from a waste water plant has a flow of 30MGD with a solids concentration of 5 mg/L. Determine the mass flow rate of solids discharged in unit lb/day.
Bloom Booster, a fertilizer used for enhancing the blooms of flowering plants, is labeled 15-25-10 (% mass nitrogen-% mass phosphorous-% mass potassium). Calculate the number of moles of phosphorous, P, in 19.25 grams of this fertilizer.
To find the volume of a flask, it is first evacuated so it contains no gas. Next, 2.2 g CO2 is introduced into the flask. On warming to 33 °C, the gas exerts a pressure of 760.0 mm Hg. What is the volume of the flask in milliliters
Question - Predict the products formed when an aqueous solution of aluminum sulfate is electrolyzed between aluminum electrodes.
Question- Which of the following substances can serve as a carbon source for gluconeogenesis? Check all that apply, Lactate
What mss of hemoglobin will be required to prepare a 150 nM, 10.0ml aqueous solution. (MW of Hemoglobin is 64KD)
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