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!
1) Identify the major factor affecting reaction rate that accounts for the following observations:
a) rubber tires deteriorate more rapidly in polluted areas than in the countryside.
b) Tadpoles grow more rapidly near the cooling water discharge from a power plant.
c) Milk sours more quickly at room temperature thanin a refrigerator.
2) Suppose a researcher were doing work on mercury compounds and its use couldn't be avoided. Find out a) acute health effects involved with its use and b) the recommended waste disposal method for this mercury compound.
The concentration of this compound in the sample is 0.000030 M and the path length of the sample is 1.0 cm
Need to calculate the heat formation of products, but have heat of formation for NaCl of concentration 1mol/L.
what mass of solid sodium formate of mw 68.01 must be added to 140 ml of 0.57 moll formic acid hcooh to make a buffer
According to the VSEPR theory, if there are three electron domains in the valence shell of an atom, they will be arranged in a(n) A. Octahedral Geometry B. Linear Geometry C. Tetrahedral Geometry D. Trigonal Planar Geometry E. Trigonal Bipyramidal..
A sealed balloon is filled with 1.00 L of helium at 23 degrees celsius and 1.00 atm. The baloon rises to a point in the atmosphere where the pressure is 220 torr and the temperature is -31 degrees celsius.
The reaction between 0.0459g of magnesium with excess of HBr was carried out in an ice calorimeter. The volume of water in the calorimeter decreased by 0.18mL during the reaction.
Calculate the amount of work done against an atmospheric pressure of 1.00 atm when 500.0 g of zinc dissolves in excess acid at 30.0°C. Zn(s) + 2H+(aq) → Zn2+(aq) + H2(g)
Excessive quantities of wash water are added to the CaC2O4*H2O precipitate. Will the mass of the CaC2O4*H2O be reported too high, too low, or unaffected. Explain
A flask contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 50.0 mL of 0.230 M NaOH. what volume of NaOH is needed to reach the end point of the titration
Calculate the energy and the wavelength, in nanometers, of light emitted when an electron in an excited hydrogen atom falls from the n=3 level to the n = 1 level.
Get a glass and fill it with cold tap water. Observe the water in the glass as it warms to room temp. What effect does temp have on the amount of gas that can remain dissolved in water? Can you use this information to explain boiling?
h3po4 undergoes three ionization equilibria for each ionization pkasnbsp 2.12 7.21 and 12.3nbsp respectively. a
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