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1. How many moles of HCl are in52.3 mL of a1.17 M HCl 1.17 M HCl solution?
2. Suppose you have 350.0 mL of a 0.450 M sodium hydroxide solution. How many moles of sodium hydroxide are in the solution?
3.Sugar is easily soluble in water and has a molar mass of 342.30 g/mol. What is the molar concentration of a 225.8 mL aqueous solution prepared with 76.2 g of sugar?
calculate the amount of heat required to completely sublime 88.0 g of solid dry ice co2 at its sublimation temperature.
glucose-6-p is a branch point intermediate which is used in three different metabolic pathways.nbspidentify name each
she decomposes the mixture in the exact same manner as the lab, and isolates 154 mL of water at the end. if the water temperature is 24oC and the atmospheric pressure is 742 torr, what was the percent by mass of mercury oxide in the mixture
A constant electric current deposits 0.365 g of silver metal in 12,960 secs from a solution of silver nitrate. What is the current. What is the half reaction for the deposition of silver
A solution containing 80.5g of C6H8O6 dissolved in 210g of water has a density of 1.22 g/mL at 55 C. State the concentration of C6H8O6 in each of the following
Explain why the electron affinity of nitrogen is approximately zero, while the elements on either side, carbon and oxygen, have substantial positive electron affinities.
Explain in detail how exceeding the yield point causes permeant stain, and how that is measured and calculated.
Next calculate molar internal energy and molar heat capacity assuming vibrational energy levels are not significantly populated at 298 K and do not contribute to molar heat capacity and molar internal energy. Calculate percent error for each molar..
if a 210 mg piece of gold density 19.32 rm grm cm3 is hammered into a sheet measuring 2.5times1.0 rm ft what is the
Explain five observations which suggest that benzene should not be classed with the alkenes, however rather as a member of a separate class of "aromatic" compound, although the fact that its formula is often shown with three double bonds
Using Le Chatelier's Principle to predict the effect of a change in conditions on a chemical equilibrium - Predict how the equilibrium of the following reactions will be affected by the changes listed.
Using the thermodynamic data below, and a value of -717 kJ/mol for the Ulattice enthalpy for KCl, calculate the ionization energy of K. Hint: Remember to plug in numbers to the equation given in course content.
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