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Question- Write The Proper Chemical Formula for the following compounds: Copper(II) nitrate cobalt(II) nitrate, nickel(II) nitrate, iron(III) nitrate, hydrochloric acid, ammonium hydroxide, acetone and dimethylglyoxime
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Express you answer as a chemical equation. Identify all of the phases in your answer.
What is the molarity of C6H12O6 in an aqueous solution that is prepared by dissolving a 20.95 g sample of impure C6H12O6 in water to make 1,450 mL of solution. Assume that the sample is 93% C6H12O6 by mass. Enter your answer in mol/L, accurate to ..
Calculate the radius of an iridium atom, given that Ir has an FCC crystal structure, a density of 22.4 g/cm3,
Extremely small crystals composed of 1000 to 100,000 atoms called quantum dots, are being investigated for use in electronic devices. A- A quantum dot was made of solid silicon in the shape of a sphere with a diameter of 9 Compute the mass of the ..
Question- Determine the pH at 25 degrees celcius of a solution prepared by dissolving 0.31 mole of ammonium chloride in 1.00 L of 0.48 M aqueous ammonia.
Calculate the pH of 0.510 L of a 0.220 M NH_4Cl and 0.220 M NH_3 buffer before and after the addition of the following substances.
The reaction caused the temperature of the solution to increase from 22.82 °C to 27.04 °C. If the solution has the same density as well as specific heat as water, explain what is ΔH for this reaction per mole of H2O produced. Presume that the tota..
Briefly explain whether each of the following procedural errors would result in a high, low, or an unchanged calculated mass of Ca2+ ion in an analyzed tablet
When cyclohexane (C6H12) is burned in excess oxygen to produce carbon dioxide gas and liquid water, it releases 3919kJ of heat per mole of cyclohexane burned.
you have two gas tanks one is 7.00 l and the other is 3.50l and one of the tanks has oxygen in it and the other has
Determine the volume of Solution #2 that is needed to make 25.00 mL of 2ppm solution. Calculate the percent riboflavin (to 3 significant figures) in a 50 mg multivitamin that was dissolved in 250 mL of 0.02 M acetic acid (assume density of acetic ..
A 16 ounce specialty coffee drink contains 216 mg caffeine. If all the caffeine is extracted and dissolved in an equal amount of water, what is the pH of the solution. What is the percent ionization.
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