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- Calculate the amount of heat required to completely sublime 77.0g of solid dry ice (CO2) at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 kJ/mol.
Express your knowledge to solve the above question
Calculate the freezing point of a mixture that contains 4.68 g of diphenylamine (molecular weight 169.2 g/mol) dissolved in 46.64 g of cyclohexanol.
You will titrate a boric acid solution that has absorbed the ammonia from a soil sample. It is not necessary to know the exact volume or concentration of the boric acid. Explain why not
Show that the balanced equation obeys the law of conservation of mass.
Suppose 1-chlorobutane were halogenated with bromine atoms instead of chlorine atoms. What effect would that have on the relative yields of the four bromochlorobutanes compared to the dichlorobutanes you determined
The activation energy of an uncatalyzed reaction is 88kj/mol . The addition of a catalyst lowers the activation energy to 60kJ/mol . a. Assuming that the collision factor remains the same, by what factor will the catalyst increase the rate of the ..
in recent years there has been considerable interest in developing flat-plate solar collectors for home heating needs.
If 3.93 g of sodium borohydride contains 2.5 × 10e23 H atoms, how many moles of H are present in 33 cm3 of sodium borohydride (of density 1.074 g/cm3)?
If the final tempurature of the combined water is 42.0 degrees C and the heat capacity of the calorimeter is 26.3 J/degrees C , calculate the mass of the water originally in the calorimeter
Assuming that a neutron star has the same density as a neutron, calculate the mass (in kg) of a small piece of a neutron star the size of a spherical pebble with a radius of 0.20 mm.
Magnesium Hydroxide is a slightly soluble substance. If the pH of a saturated solution of Mg(OH)2 is 10.49 at 25 degrees celcius, calculate Ksp for Mg(OH)2.
Explain the reaction between ethyl iodide and hydroxide ion in ethanol (C2H5OH) solution, given below, has an activation energy of 86.8 kJ/mol as well as a frequency factor of 2.10 1011 M-1s-1.
The pH at 25 °C of an aqueous solution of the sodium salt of p-cresol (NaC7H7O) is 11.60. Calculate the concentration of C7H7O- in this solution, in moles per liter. Ka for HC7H7O is equal to 6.7E-11.
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