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!
A 455-g piece of copper tubing is heated to 89.5 Celcius and placed in an insulated vessel containing 159g of water at 22.8 degrees Celcius. Assuming no loss of water and a heat capacity of 10.0 J/K for the vessel, what is the final temerature? (c of copper =0.387 J/g*K)
Question about States of Matter, Ian eats too many mars bars. To try to get rid of the excess kJ's he exercises in the gym by using a weights machine which works by compressing a cylinder of gas.
In Flask A, you reacted 1.65 g Mg with 0.136 mol HCl. In Flask B, you reacted 2.21 g Mg with 0.098 mol HCl. Which ballon will inflate the most?
if you had 21 moles of oxygen and 8 moles of ethane, what is the most moles of carbon dioxide possible?
An unknown sample with a molecular mass of 180.og is analyzed to yeild 40% c, 6.7% H, and 53.3% o. What is the empirical formula and the molecular formula of this compound?
2NO2(g)has come to equilibrium, the concentration of NO2 is 2.2 x 10-3 mol/L. Calculate the molar concentration of O2 at equilibrium.
The half-life of cobalt-60 is 5.2 yr. How many milligrams of a 2.000-mg sample remains after 6.55 years. Show your work.
If the pressure exerted on a 375 ml sampe of Hydrogen gas at a constant temperature is decreased from 1.75 atm to 1.00 atm, what will the final volume of the sample be
To obtain the same antifreeze protection requires 76 g of propylene glycol to replace each 62 g of ethylene glycol. Calculate the mass of propylene glycol required to replace 9.00 gal of ethylene glycol.
What will happen if a small amount of sodium hydroxide is added to a 0.1 M solution of ammonia. a) Kb for ammonia will increase b) Kb for ammonia will decrease
using a sample of river water sample analyzed for total inorganic carbon ,The river pH= 7.1 and an inorganic C concentration of 6.97 mg C/L.c
How might your description of the flame color for NaCl change if your wire containing the salt slurry was contaminated with CuCl2
To prepare a fertilizer, an engineer dilutes a stock solution of sulfuric acid by adding 24.7 L of 5.25 M acid to enough water to make 500. L. What is the mass of sulfuric acid per milliliter of the diluted solution. 4 significant figures.
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