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No desiccator is available. the sodium carbonate is cooled to room temperature, but the humidity in the room is high. how will this affect the reported molar concentration of the hydrochloric acid solution? Will it be too high, too low, or unaffected?
A 100.0 mL of acetic acid solution of unknown molarity is titrated with 0.15 M NaOH solution. The titration requires 43.25 mL of the base. Determine the molarity of the acid, CH3COOH.
Describe the procedure for conducting a melting point experiment. Include the names of the equipment used and the observations you could expect to make.
The effective nuclear charge tends to decrease from left to right across any period of the periodic table. 3.Electrons in the 2s orbital feel a greater attraction to the nucleus than the 2p electrons and are therefore lower in energy. 4. Valence e..
hydroxylamine is titrated to the equivalence point with 35.8 m of .15 M HCl. What is the pH at the equivalence point?
Given the reactant side of the total ionic equation for the neutralization reaction of potassium hydroxide KOH with hydrochloric acid HCl, write the total ionic equation (also known as the complete ionic equation) by entering both the reactant and..
Silver chloride, often used in silver plating, contains 75.27% Ag. Calculate the mass of silver chloride in grams required to make 1555.0 g of silver plating.
An open flask sitting in a lab fridge looks empty, but we know that actually it is filled with a mixture of gases called air. If the flask volume is 1.50 L, and the air is at standard temperature and pressure, how many gaseous molecules does the f..
nitrogen gas reacts with oxygen gas to form nitrogen monoxide gas. How many total electrons are transferred from each molecule of nitrogen or oxygen
At what temperature will a solution of 8.27 g CaCl2 in 45.0 g H2O begin to freeze? Assume complete dissociation
Use a table of standard thermodynamic values to predict the standard cell potential at 81 C: Cu(s)|CuSO4||AgNO3|Ag(s) Assume that the values of ?H and ?S are independent of temperature.
Suggest one plausible reason for a % mass of water that is lower/higher than the true value
predict a shape of small organic molecules that could bind tightly with G4. Be sure to explain your reasoning in terms of the measured distances and discuss the likely intermolecular forces involved in the interaction.
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