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!
250 grams of an unknown volatile solute was dissolved in 40.0 grams of CCl4. The boiling point of the CCl4 was raised by .357 Degrees C. Kb for CCl4 is 5.02 C/m find the molar mass of the solute.
A gaseous reaction occurs at a constant pressure of 50. atm and releases 74.2kj of heat. Before the reaction, the volume of the system was 8.00L After the reaction, the volume of the system was 2.80L
If the volume of ocean water 5.4*10^20) contains 4.1 percent sodium chloride ("salt") by mass and the density of the water is 1.86 g/mL, calculate the total mass of sodium chloride.
A sample of gas inside a 150 mL piston has an initial temperature of 550 K and pressure of 8.0 atm. As the piston expands to 650 mL, the pressure decreases to 1.5 atm.
titration of the resulting solution required 36.43 mL of KMnO4 solution. Calculate the percentage of Fe and Cr in the alloy.
identify the functional group; and 3) and discuss general key chemical properties of the chemical that a fire, environmental, health or safety personnel should know.
Equivalence point was 18.46 mL and my second equivalence point was 33.185 mL. How to find the percent weight of Na2CO3 in the unknown using these two values?
The solution of the question , a 0.3172 g sample containing only KCl and NaBr is dissolved in 50ml water and titrated with 0.1120M AgNO3 , requiring 36.14ml to reach the end point.
Evaluate reversibility of a process where an ideal monoatomic gas is first slowly compressed 10-fold by a gradually increasing external pressure (gas remains in thermal equilibrium with the surroundings)
A 21.496 g sample of magnesium is burned in air to form magnesium oxide and magnesium nitride. when the products are treated with water, 2.813 g of gaseous ammonia are generated.
Solid sodium peroxide (Na2O2) reacts with liquid water yielding aqueous sodium hydroxide and oxygen gas. How much heat is released
a cylindrical glass tube 15cm in length is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 9.64g. Calculate the inner diameter of the tube in centimeters. The density of ethanol is 0.789 g/mL
How would you expect the amino acids glycine, alanine, and phenylalanine to travel relative to each other on the silica plates using a mixture of chloroform/methanol/ammonia? Explain your answer.
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