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!
The value of H° for the reaction below is 72 kJ. How much heat is released when 1.0 mol of HBr is formed in this reaction.
H2(g) + Br2(g) â 2HBr(g)
HINT: try to do this without a calculator.
144 kJ
72 kJ
0.44 kJ
36 kJ
â72 kJ
Problem- Formula H2O, mass in grams 7.6, molar mass 18g/mol, moles .42 mol, 1) What are the mole and how many atoms in the element
Why is water not assigned a global warming potential (GWP). The lifetime of atmospheric water is too short for its GWP to be determined.
The reaction below shows the acid catalyzed Sn2 reaction between 1-butanol and sodium acetylide. Will this reaction proceed as depicted. Explain.
Predict which of the following liquids has greater surface tension: ethanol (C2H5OH) or dimethyl ether (CH3OCH3).
There are approximately 2.60x10^13 red blood cells with atotal of 2.90g of iron. On the average, how many iron atoms are present in each red blood cell. (molar mass (Fe)= 55.85g
Question- A solution contains 5.37E-3 M chromium (III) acetate and 9.00E-3 M lead nitrate. Solid sodium hydroxide is added slowly to this mixture. What is the formula of the substance that precipitates first
Determine the hydrocarbon fuel model CnHm for this strange and somewhat putrid gas.- The mass composition of this gas.
Given 0.1-M aqueous solutions of ammonium chloride (NH4Cl) and ammonia (NH3) to the so- lution of that weak base. Calculate the volumes of salt and ammonia to be mixed, in order to make 50 mL of a buffer solution with pH = 9.0. The ammonium ion (N..
The mass of an electron is 9.11\times 10^{-31}~\rm kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31\times 10^{-10}~\rm m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00\times10..
After treating an antacid with 5.00 ml of .1065 M NaOH, the untreated acid was diluted to exactly 250 mL with distilled water in a volumetric flask. 25.00 mL of that diluted acid required 17.03 mL of the same NaOH solution to neutralize it. Calcul..
Utilizing the Vander Waals equation, compute the pressure for a 1.25 mol sample of xenon contained in a volume of 1.000L at 75oC; a = 4.194 L2 atm/mol2 and b = 0.05105 L/mol for Xe. Contrast these results to that predicted by the ideal gas law
How much sulfur and how much sulfuric acid (in Kg) can be produced from the SO2 according to part (a) of this question - what is the average number of particles/cc?? Assume a density of 0.98 g/ cm3 for the particles.
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