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!
Question- An experiment shows that a 238mL gas sample has a mass of 0.429g at a pressure of 745mmHg and a temperature of 34C. What is the molar mass of the gas?
Express your answer using two significant figures.
When you calculated k in the rate equation for the reaction of KMnO4 solution and H2C2O4 solution you assumed k had the same value under the conditions of determinations 1,2, and 3.
A reaction mixture was buffered with this solution by adding 40mL. The total volume of the reaction mixture is 100mL as well as the ionic strength is 0.2. Explain what is the hydrogen ion concentration of this solution
Write the complete balanced molecular, ionic, and net ionic equations for the reaction of potassium phosphate + aluminum nitrate. Which product, if any, is a precipitate
The solubility of calcium carbonate in water is 14.5 mg per liter. Calculate the molarity of a saturated solution.
A 35.0-mL sample of 0.150 M acetic acid (HC2H3O2) is titrated with 0.150 M NaOH solution. Calculate the pH after the following volumes of base have been added.
Give an acceptable name and identify the functional group; and
How much heat energy, in kilojoules, is required to convert 47.0 g of ice at -18.0 degrees C to water at 25.0 degrees C ?
a sample of sugar-d-ribose c2h10o5 of mass .727g was placed in acalorimeter and then ignited in the precense of excess
Show the orbital-filling diagram for N (nitrogen). Stack the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
If someone gave you a sample of metallic element, explain what physical properties might you use to identify the element? Presume you have a reference such as the handbook of chemistry and physics that lists physical properties of the elements.
explain the anomalous behavior of water when it freezes. That is, why is there water axpansion upon solidification
A 10g sample of acetic acid HC2H3O2. was burned in a bomb calorimeter in an excess of oxygen. The temperature of the calorimeter rose from 25 C to 35.84C. If the heat capacity of the calorimeter and its contents is 13.43KJ/C, what is the enthalpy ..
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