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!
Question- The specific heat of metal is .467j/g degree Celsius. How much energy is released when a 35.0 gram piece of the metal drops in temperature from 355.3 degree C to297.4 degree C?
A. 0.773 J
B. 1.86 J
C. 89.5 J
D. 946 J
I need help for above question. Show each steps for the above problem.
A thin piece of semiconducting silicon will be used to fabricate an electrical device. This layer is 0.10 cm thick and cut into a strip 0.50 cm wide by 1.50 cm long. Electrical contacts are placed at opposite ends of its length.
Calculate the standard entropy change for the reaction 2Na(s) + Cl2 (g) --> 2NaCl (s) using the data from the following table: Substance Change in h Change in G S degrees 0.00 0.00 51.30 0.00 0.00 223.1 -411.0 -384.0 72.10
Poly (ethylene terephthalate), which is the commonly used polyester Dacron, can be formed by an acid-catalyzed esterification between ethylene glycol (HOCH,CH,OH) and terephthalic acid (HOOC-C6H4-COOH, para isomer). Show the polymerization reactio..
A lab protocol on synthesizing sulfathiazole from p-acetamidobenzenesulfonyl chloride and 2-aminothiazole. It would be appreciated if exact amounts of reagents, solvents, etc (in grams, mmols, mls - etc), could be given.
Explain what is the change in the entrophy of the universe (delta S universe) for the combustion of one mole of methane gas at 298k? The unbalanced equation is- CH4(g) + 2O2(g) yields CO2(g) + 2H2O(l)
A 247-ln fullback runs the 40-yd dash at a speed of 19.99 +/- 0.10 mi/h and has a wavelength of 7.79E-37. What is the uncertainty in his position based on the de Broglie wavelength
Describe how the results from this control experiment would be incorporated into the data analysis to the correct for this error.
at 800 ordmc keq 0.0100 for the following reaction2so2g o2g 2so3gwhat is the numerical value for the equilibrium
when rinsing the walls of the e. flask during titrations with deionized water why does it have no effect on the
Arginine vasopressin is a pituitary hormone. It assists regulate the amount of water in the blood by reducing the flow of urine from the kidneys. An aqueous solution containing 21.6 mg of vasopressin in100.0mL of solution has an osmotic pressure a..
butyric acid is responsible for the foul smell of rancid butter. the pka of butyric acicd is 4.84.a calculate the pkb
Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.50 M B(aq) with 0.50 M HCl(aq). (a) before addition of any HCl
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