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Question- If a student reacts with 3.4g of h2o with sulfur to produce 4.6 grams of sulfur hexafluoride SF6, what is the mass in grams of sulfur if 2.01x10^22 atoms of sulfur where found at the start of the reaction?
How many grams of aluminum metal must react with aqueous sodium hydroxide to produce 7.50 L of hydrogen gas at 12.5 degrees Celsius and 740 torr if the other product is aqueous Na3AlO3. 2 Al (s) + 6 NaOH (aq) ----> 3 H2(g) + 2 Na3AlO3(aq)
A compound contains merely carbon, hydrogen and oxygen. Combustion of 0.01068g of the compound yields 0.01601 g of CO2 as well as 0.00437 g of H2O. The molar mass of the compound is 176.1 g. Explain what are the empirical and molecular formulas of..
explain the fundamental difference between singlet and triplet state. from this fundamental difference explain why
When a gas is collected by displacement of water,the gas often appears foggy as it is generated. what it means to say that a gas collected by this technique is saturated with water vapor.
Carbocation intermediate Substrate is primary halidebase is unhindered Substrate is primary halidebase is hindered Substrate is secondary halidebase is weak Substrate is secondary halidebase is strong Substrate is tertiary halidebase
The temperature of water decreases on the dissolution of NH4NO3. From this observation, we can conclude that the solution process would be best described as
Draw all products of the reactions of 4-Chloro-2-methyl-pentane with NaCN and AgCN. Identify the reaction mechanisms and draw resonance
A particular reactant decomposes with a half-life of 145 s when its initial concentration is 0.310 M. The same reactant decomposes with a half-life
In the malachite green method for measuring phosphorus concentration, what it the purpose of each of the following reagents? Include in your answer what would happen if you didn't use the reagent.
A soft drink contains an unknown amount of citric acid, C3H5O(COOH)3. 10.0ml of the soft drink requires 6.42 ml of 9.580 x 10^-2 M NaOH to reach the equivalance point in the following reaction.
Calculate the ratio of the concentration of acetate and acetic acid required in a buffer system of pH=4.10. The pKa of acetic acid is 4.76.
If 164 of wet is collected over water at 24 degrees C and a barometric pressure of 737 Torr , how many grams of Zn have been consumed? (The vapor pressure of water is 22.38 Torr)
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