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!
Problem- What mass (in grams) of methanol (CH3OH) would need to be added to 250 grams of water to make an ideal solution with a boiling point of 104.3°C? (Kb for water is 0.512°C/m)
Please explain above problem in step by step manner so I can easily understand it
A solution is prepared by dissolving 16.2 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 10.50 mL sample of this stock solution is added to 59.00 mL of water. Calculate the concentration of ammonium ions and sulfate ions ..
Specified that Ka for HBrO is 2.8 × 10-9 at 25 °C, explain what is the value of Kb for BrO- at 25 °C? Specified that Kb for NH3 is 1.8 × 10-5 at 25 °C, explain what is the value of Ka for NH4 at 25 °C
If the density of the vinegar solution is 1.00 g?mL, what is the mass percent of acetic acid present?
At what pH will this occur? Ignore complex formation and potential redox reactions.
A non-volatile solute depresses the freezing point of cyclohexane by 4C. If cyclohexane has the formula C6H12 calculate the mole fraction of solute and solvent present in the solution.
Complete the following reaction showing what ions calcium chloride will produce upon dissolving in water: CaCL2(aq) --> b. Calculate the molarity (in m) of all solutes
Calculate the mass in grams of iodine that will react compeltely with 20.4g of aluminum to form aluminum iodide
dissolved in water and completely neutralized by the addition of 43.70 mL of 0.303 M NaOH. Calculate the molar mass of the acid, assuming it to be a monoprotic acid.
Explain an iron skillet with a mass of 0.96 kg and a copper skillet of the same mass are both at a temperature of 165.0 degrees Celsius. Explain when the skillets cool to room temperature (22.0 degrees Celsius)
Fifty percent of that sunlight is captured by the collector and heats the water flowing through it. What would be the temperature rise of the water as it leaves the collector?
Balance the following equations: a) Zn(s)+H2SO4(aq)--->ZnSO4(aq)+H2(g); b)Al(s)+H2SO4(aq)--->Al2(SO4)3(aq)+H2(g); c)K2SO4(aq)+BaCl2(aq)--->BaSO4(s)+KCl(aq); d) CaCO3(s)--->CaO(s)+CO2(g); e)Al2(SO4)3(aq)+KOH(aq)--->Al(OH)3(s)+K2SO4(aq).
How much heat is evolved when 1235 g of water condenses to a liquid at 100°C? ΔHcond = -40.7 kJ/mol.
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