Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
1. When doing a recrystallization using a buchner funnel, explain what happens to the impurities that are more soluble than your compound in the solvent used?
2. When doing a recrystallization, why is it significant to allow the saturated solution to boil for ~1 minute and cool SLOWLY to room temperature before placing it in an ice-water bath?
3. If a substance is impure, explain what will be the two effects on its melting point compared to the literature value?
When 5.00 g of Cr2O3 are allowed to react with 12.00 g of CCl4, if the yield in such experiment is 85.05? which reactant is left over of CrCl3 are obtained? Cr2O3 + 3 CCl4 → 2 CrCl3 + 3 COCl2
when nacl is added to a solution of agno3 a white precipitate of agcl forms. if concentrated ammonia nh3 is added to
Give the number of electrons in an atom that can have the following quantum number or sublevel designations: n = 3, l = 2
A soluble salt, AgNO3, with a common ion is added to a saturated solution of AgCl to give [Ag^+]=2.0x10^-2 M. what is the [Cl^-]? AgCl Ksp=1.8x10^-10
How many mL of 3.00 M HCI should be added to react completely with 16.8g of Na2CO3 according to the following equation? Na2CO3(aq)+HCl(aq)=NACI(aq)+CO2(g)+H2O(l) What mass of CO2 is produced from the reaction
The following reaction is investigated (assume an Ideal gas mixture)2N2O(g) + N2H4(g) 3N2(g) + 2H2O(g), Initially there are 0.10 mol of N2O and 0.25 mol of N2H4 in a 10.0-l container, If there are 0.50 mol of N20 at equalibrium, how many moles o..
You dissolve the sample in .550 mL of water and determine that the osmotic pressure of the resulting solution is .107 torr at 35 deg C (760 torr = 1.00 atm). What is the molar mass of the compound?
octane gas reacts wuth oxygen to form carbon dioxide gas and water as a gas. write balanced equation. how many grams of
explain what would happen to the cell during the process of osmosis and why?
How many grams of oxygen are collected in a reaction where 265 mL of oxygen gas is collected over water at a temperature of 298 K and a total pressure of 709 torr
Calculate the cell potential for a galvanic cell made from an iron electrode in a 1.75 M solution of Fe(NO3)2 and a silver electrode in a 5.00 x 10-3 M solution of AgNO3 at 298 K. Eºcell
The density of air at ordinary atmospheric pressure and 25 0C is 1.19 g/L. What is the mass of air, in kg, in a room that measures 12.5 ft by 15.5 ft by 8.0 ft?
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd