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What is a covalent bond? Give examples of structure with covalent bonds
question given the following heat capacities assume they are constant over the temperature range in consideration here
What is the name of the compound when you say Sodium Bromide plus Sodium Sulfide. Also, please write the formulas for each.
how many grams of sucrose, c12h22o11, must be dissolved in 750 ml of water to prepare a 0.250 molal solution?
believe that the spectrometer is picking up the amylase enzyme in this mixture but I am second guessing myself. Is that the molecule that is being detected by the spectrometer
A lab student analyzed a nickel-en complex for ethylenediamine, en, content. A 0.353g sample of the synthesized Ni-en complex was dissolved in about 50 mL of water and titrated with 0.165 M HCl (aq). Endpoint required 36.40 mL of the HCl (aq)
Problem- Estimate the delta S total, the total entropy change, for the following reaction at 25 degree Celsius.
Use the octet rule to predict the formula of the compound that would form between tellurium and iodine, if the molecule contains only one tellurium atom and only single bonds are formed.
The energy of the C-----C bond id 347 KJ/mol, and that of the Cl------Cl bond is 243 KJ/mol. which of the following values might you expect for the C-----Cl bond energy. Explain.
How many grams of TiCl4 are needed for complete reaction with 105L of H2 at 430 degrees C and 790mmHg pressure. How many liters of HCl gas at STP will result from the reaction described in part (a)
a 16 ounce speciality coffee drink contains 254 mg caffeine. if all the caffeine is extracted and dissolved in an equal
When 64.5 g of HCl are allowed to react with 17.6 g of O2, 50.4 g of Cl2 are collected. Determine the limiting reactant, theoretical yield of Cl2 and percent yield for the reaction.
Given an unknown monoprotic(one hydrogen) acid. Make a 100 mL solution with 20% by volume. (mix 20 mL acid with 80 mL water) and titrate with NaOH. You must find the concentration of it the weak acid.
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