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Explain how you would prepare 100.0mL of a solution, using pure solute and water, that is 0.050 M in sodium hydrogen phosphate.
What is the specific activity (in Bq/g) if 3.76 kg of an isotope emits 3.77 * 10^7 beta- particles per minute
One hundred grams of water is saturated with NH4Cl at 50 degrees celsius . According to Table G, if the temperature is lowered to 10 degrees celsius, what is the total amount of NH4Cl that will precipitate.
How much heat is produced in burning 8 mol of CH4 under standard conditions if reactants and products are brought to 298 and H2 O(l) is formed. What is the maximum amount of useful work that can be accomplished under standard conditions by this sy..
This entire mixture is then diluted to 1 liter with water. What is the final concentration of phosphoric acid
If 3.25 L of ammonia react with an excess of oxygen to form nitrogen monoxide and water steam, what volume of water steam will be produced? The pressure and temperature stay constant. A. 2.04 L B. 2.17 L C. 3.33 L D. 4.14 L E. 4.88 L e is righ one
Determine whether the oxidation of FeO(s) to Fe2O3(s) occurs spontaneously at 298K according to the reaction below by calculating delta s universal.
How many grams of caffeine (C8H10N4O2) are present in one cup of coffee that contains 8.98 × 1021 caffeine molecules?
An appropriate indicator is used. Ka for acetic acid is 1.7x10^-5. Calculate the pH in the flask after 300 mL of 0.100 M NaOH has been added
An Ideal Gas: What makes it so? Molar mass defined A Unified Gas Law: Application to problem solving What about non-ideal (or real) gases?
A sample of drinking water collected from a suburban Boston municipal water system in 2002 contained 0.45 pCi/L of radon. Assume that this level of radioactivity was due to the decay
A hot air balloon is inflated to its full extent by heating the air inside it. In the final stages of this process the volume of the balloon changes from 4.00 x 10^6 L to 4.50 x 10^6 L by addition of 1.3 x 10^8 J of energy as heat.
If the average speed of an oxygen molecule is 4.05multiplied by 104 cm/s at 25°C, what is the average speed of a CO2 molecule at the same temperature?
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