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. Calculate the energy in J required to raise the temperature of 250g of ice from -5.5C to 110C at 1 atm. 2. A aqueous 5L salt solution contains 0.5kg of NaNO3. Calculate the melting point, boiling point, vapor pressure and osmotic pressure of the solution at 25C. Assume density = 1.0g m/L. 3. C3H6 + H2--------C3H8 Keq=7.4 X 10 to the 16th power2M propene gas reacts with 1M hydrogen gas to form propane gas. At equilibrium what concentration of hydrogen remains?
After you have added 1 N HCl to adjust the pH of the Tris solution to 8.1, what is the ratio (in mmols) of Tris to Tris-HCl in the resulting buffer solution
a truck driver used sand to soak up a 1 g spill of lindanec6h6cl6. he placed tehcontaminate soil in an open drum which
Consider the reaction between 15.0 mL of a 1.00 M aqueous solution of AgNO3 and 10.0 mL of a 1.00 M aqueous solution of K2CrO4. When these react, a precipitate is observed. What is present in solution after the reaction is complete? Note: the sol..
test from ix test from ix test from ix test from ix test from ix test from ix test from ix test from
Below is a list of chemicals with their oral LD50 in mg/kg (rats). Select the substance that is MOST toxic to rats. DDT, 87 mg/kg malathion, 885 mg/kg carbaryl (sevin), 307 mg/kg parathion, 3 mg/kg
Which of the following molecules or polyatomic ions have a dipole moment (that is, which molecules or ions are polar). Your response should list the letters for all correct answers in alphabetical order
how many grams of water can be cooled from 45 c to 23 c by the evaporation of 63 of water? the heat of vaporization of
Explain how the links between the capitalized terms dictate that the reaction will be E2. Identify one major factor which favors an E2 mechanism over an E1 mechanism
assign oxidation numbers to all the elements in each of the following compounds or polyatomic ions: a)C2H3O2^- b)AlCl3 c)NH4^+ d)HBrO4
Given chemical reaction is used to produce electricity in lead storage battery that used in automobiles generally.
In a study designed to prepare new gasoline-resistant coatings, a polymer chemist dissolves 6.099 g poly(vinyl alcohol) in enough water to make 100.0 mL of solution. At 25°C, the osmotic pressure of this solution is 0.242 atm. What is the molar ma..
Metals and nonmetals can react with each other to form ions. Complete these statements. A potassium atom gain or loses(electrons/protons/neutrons)and to form how many ion?
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