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1. What is the pH of a solution with [H3O + ] = 10.0 M? Fun fact: pH can be negative!
2. Calculate the theoretical yield if 3 g of N2 is mixed with 3 g of H2 to form ammonia according to the following reaction: (hint: you will need to find the limiting reactant first!) N2 + 3H2 → 2NH3
3. What is the amount of heat liberated from 30 g of water vapor condensing to a liquid at 1000C? ΔHvap,H2O = 40.7 kJ/mol (Hint: water vapor condensation is an exothermic process. Think about what this does to the reaction enthalpy. Should it be positive or negative??)
Determine if the following reactions will form a precipitate when mixed. If one is formed, write the BALANCED formula unit, the COMPLETE IONIC, and NET IONIC equations. If a precipitate doesn't form, write NR for no reaction
Give the complete balanced equation for the reaction that occurs when lithium carbonate (Li2CO3) is heated. You do not need to make the subscripts.
Are my electronic pipettors operational? - What are the limits in which the protein concentration could be determined experimentally?
The pressure for inflate a certain automobile tire is 30.0 pounds per square inch, "psi". Explain what is this pressure reported in mm of Hg (1 atm = 14.7 psi; 760 mm Hg = 1 atm)
A solution has [C6H5COOH] = 0.100 M and [Ca(C6H5COO)2] = 0.200 M. Ka = 6.3 × 10^-5 for C6H5COOH. The solution volume is 5.00 L. What is the pH of the solution after 10.00 ml of 5.00 M NaOH is added? How would I do this using the Henderson Hasselbalch..
Calculate the mass of MgCO3 precipitated by mixing 10.00 mL of a 0.200 M Na2CO3 solution with 5.00 mL of a 0.0350 M Mg(NO3)2 solution.
A gas mixture contains oxygen and carbon dioxide. The partial pressure of oxygen is 0.450 atm. The partial pressure of carbon dioxide is 675 mm Hg. If argon gas added to the mixture causes the total pressure to become 2410 torr,
Calculate the pH of the solution that results when 100.0 mL of 0.15 M NaOH is added to 50.0 mL of 0.25 M HNO3
assume that rubbing alcohol of 1.02 grams evaporates from a 70.0 nbspgrams of aluminum block. aluminum block is at 25
a sample of Ringer's solution contains the following concentractions (mEq/L) of cations: Na 147, K 4 and Ca2 4. If CI- is the only anion in the solution
A nugget of pure gold of 4.80 grams absorbed heat of 283 Joules. if the temperature was 23.0°C initially then determine what was the final temperature of the Au gold it is given that the specific heat of Au= 0.129 J/(g·°C).
Dry ice is solid carbon dioxide. In its place of melting, solid carbon dioxide sublimes according to the subsequent equation: While dry ice is added to warm water, heat from the water reason the dry ice to sublime more quickly.
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