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Question 1: What is the name of the compound CuCl2 · 4H2O?
Question 2: A hydrate of CuSO4 has a mass of 11.71 g before heating. After heating, the mass of the anhydrous compound is found to be 8.75 g. Explain how you would determine the formula of the hydrate and then write out the full name of the hydrate.
Question 3: A pure compound is found to be 40.0% carbon by mass, 6.73% hydrogen by mass, and 53.3% oxygen by mass. Determine the empirical formula of the compound. Be sure to show your work.
Question 4: How many milliliters of sodium metal, with a density of 0.97 g/mL, would be needed to produce 12.8 grams of hydrogen gas in the single replacement reaction below? Show all steps of your calculation as well as the final answer. Unbalanced equation: Na + H2O --> NaOH + H2
Question 5: If 75.5 g N2 react with 15.4 g H2 according to the reaction below, how many grams of ammonia (NH3) can be produced and how many grams of the excess reactant will be left over? Be sure to show all of your work. Unbalanced equation: N2 + H2 --> NH3
Problem- When 10.00 mL of 1.00 M NaOH are added to 1.00 L of 0.100 M CaCl2 will a preciptiate occur
Analyzing a new reaction Consider the following elementary steps that make up the mechanism of a certain reaction: 2X -> Y + Z Y + L -> M + Z Part A What is the overall reaction
The Ksp of AgCrO4 is 1.9 x 10^-12. Calculate the molar solubility (in mol/L) of Ag2CrO4 in 0.1 M AgNO3.
What is the minimal external voltage one must supply in order to perform the electrolysis of molten CaCl2. Suggest a means for supplying this energy.
A container holds 355mL of a mixture of nitrogen as well as carbon dioxide gases. Compute the partial pressures of each gas if the container is at 27.3 degrees C
2) Calculate the concentration of an aqeuous solution of Ca(OH)2 pH of 12.05.
Calculate the equilibrium pressure of NO if 2.00 atm and 1.00 atm of O2 are initially placed in a 1.0L container at 440K and the final total pressure in the container
where is c p-450 located and what is their main function in xenobiotics transformation? what is the reaction
Explain what is the osmotic pressure, in atm, of a solution formed by dissolving 11.6 g of Fe2(SO4)3 in 0.626 L of water at 23.2 degrees Celsius. R = 0.0821 L-atm/mol-K; 0 degrees Celsius = 273 K
Nicotine has a molar mass of 162.23 g/mol. How many carbon atoms are in the empirical and molecular formulas of nicotine?
Name the stereoisomers formed by oxidation of (S)-4-methylcyclohexene with osmium tetroxide.
the chromic acid test acetone, formaldehyde, propanal, 3-pentanone, acetophenone, and benzaldehyde
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