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!
Predict whether the following reactions will occur or not. For those that do occur complete and balance the equation. Write N.R. for those that do not occur. Include all subscripts (e.g., (S), (aq), etc.)
____Mn(s)+____NiCl2(aq) -->
____Fe(s)+____HBr(aq) ---->
____Ag(s)+____CoBr2(aq)---->
____Al(s)+____HCl(aq)---->
The average molecular speed in a sample of CH4 gas is 641 m/s at 311 K. The average molecular speed in a sample of He gas is ________ m/s at the same temperature.
Silver consists of two major isotopes with the following percent abundances and atomic masses: 107Ag (51.84% and 106.90509 amu) and 109Ag (48.16% and 108.90476 amu). Calculate the average atomic mass of silver to five significant digits.
A chemist needs a pH 3.5 buffer. Should she use NaOh with formic acid ( Ka =1.8x10-4exp.) or with aceticacid ( Ka = 1.8x10-5 exp)? Why. What os the disadvantage of choosing the other acid. What is the role of NaOH
1. a laboratory column is filled with soil and then saturated with water. the data arethe head loss through the soil
E85 fuel is a mixture of ethanol and gasoline. What mass in kilograms of E85 (d=0.758g/mL) can be contained in a 14.0 L gallon tank.
Many laboratory gases are sold in steel cylinders with a volume of 43.8L. What mass in grams of argon is inside a cylinder whose pressure is 17,180 kPa at 200C
how many grams of carbon dioxide would be produced if 45 grams of C6H12O6 completely reacted with oxygen?
Calculate the percent by weight, mole fraction and mole percent of each component in a mixture consisting 9g of water (H2O), 120g acetic acid(CH3COOH) and 115g of ethyl alcohol (C2H5OH).
a closed vessel contains water oil and air at room temp. if the system is synthesized by first adding the water and
The equilibrium membrane potential for the case of multiple ions will depend not only on the concentrations of the ions within and outside the cell, but also on the permeability of the cell membrane to each ion Pi. Consider a situation in which on..
A sample of 5.20ml of diethylether (C2H5OC2H5; density=0.7134g/ml) is introduces into a 6.40L vessel that already contains a mixture of N2 and O2 whose partial pressures are PN2=0.751atm and PO2=0.209atm
A sample of gas occupies a volume of 364 mL at 1.28 atm and 27 oC. Calculate the volume of the gas if its temperature is changed to 57.0 oC while its pressure is held constant.
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