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!
You are titrating an unknown acid with a 0.228M NaOH standard solution. It requires 19.1 mL of the NaOH solution to reach the endpoint of the titration.
A) How many moles of H+ reacted with the OH- from the NaOH in the titration?
B) Your instructor informed you that your acid is diprotic. How many moles of your acid were titrated?
The standard enthalpy of formation of gaseous water is -241.82 kj/mol at 298 K. Estimate this value at 370 K. The molar heat capacities of hydrogen, oxygen, and gaseous water are 28.82, 29.36, and 33.58 J/(K x mol).
50.00ml of BiO3- is titrated with 26.43ml 0.02982M Fe2+. What is the molar concentration of BiO3-? How many mg of NaBiO3 were in the 50.00ml sample? [BiO3-] = _______________ M mNaBiO3 = _______________ mg
A red laser pointer emits light with a wavelength of 650 nm. What is the energy (in J) of a photon of light of this wavelength?
What is the entropy change for a particle in this system if the final number of microstates is 0.819 times that of the initial number of microstates?
A new potential heart medicine, code-named X-281, is being tested by a pharmaceutical company, Pharma-pill. As a research technician at Pharma-pill, you are told that X-281 is a monoprotic weak acid
What is the hydronium ion concentration of a 0.500 M acetic acid solution with Ka = 1.8 x 10-5? The equation for the dissociation of acetic acid is: CH3CO2H(aq) + H2O(l) H3O+(aq) + CH3CO2-(aq)
A sample of helium gas initially at 37.0 °C, 785 torr and 2.00 L was heated to 58.0 °C while the volume expanded to 3.24 L. What is the final pressure in atm
The complete combustion of methane, CH4, to form carbon dioxide gas and oxygen gas at constant pressure releases 890 kJ of heat per mole of methane consumed. (a) Write a balanced thermochemical equation for this reaction. (b) Draw an enthalpy diagram..
the rate constant for a particular second-order reaction 0.47 m-1s-1 the initial concentration of reactant 0.25 moll
The reaction is Cisplatin + H2O -> cisplatinOH2+ + Cl- Supposing the concentration of cisplatin in the bloodstream of a cancer patient is 4.73*10^-4 M. What will be the concentration after 24 hrs?
Exposure to high doses of microwaves can cause damage. Estimate how many photons, with wavelength = 12 cm, must be absorbed to raise the temperature of your eye by 3 degrees celcius
The vapor pressure of pure ethyl bromide at this temperature is 400.0 torr. Assuming an ideal solution, what is the molecular mass of the compound?
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