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!
5.46 g mass of a metal was heated to 105.45 °C and then plunged into 100.0 g of water at 23.89 °C. The temperature of the resulting mixture became 27.44 °C.
(a) How many joules did the water absorb?
joules
(b) How many joules did the metal lose?
(c) What is the heat capacity of the metal sample?
J · °C-1
(d) What is the specific heat of the metal?
J ·g-1 · °C-1
Calculate the concentrations of all species in a 1.00 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
Explain why dichloroethene has a boiling point of 60 degrees C while trans-dichloroethene as a boiling point of 48 degrees C. Include drawings of the structures with dipoles in your answer.
A compressed gas cylinder contains 1.00 x 103 g of argon gas. The pressure inside the cylinder is 2050 psi at a temperature of 18oC. How much gas remains in the cylinder if the pressure is decreased to 650psi at a temperature of 26oC?
How many distinct terminal alkynes exist with molecular formula C5H8?
Calculate the pressure that must be applied in order to increase its density by 0.08 percent.
Calculate the equilibrium constant K for the isomerization of glucose-1-phosphate to fructose-6-phosphate at 298K .
To obtain the same antifreeze protection requires 76 of propylene glycol to replace each 62 of ethylene glycol. Calculate the mass of propylene glycol required to replace 7.00 of ethylene glycol.
Alka-Seltzer contains both baking soda (NaHCO3) and citric acid (H3C6H5O7). The reaction between the bicarbonate ion and citric acid produces water
A reaction mixture at 175 initially contains 522 torr of NO and 421 torr of O2. At equilibrium, the total pressure in the reaction mixture is 748 torr. Calculate Kp at this temperature.
Which one of the following actions will cause an increase in the equilibrium concentration of NO(g) in a closed reaction chamber?
Imagine that you have a 6.50L gas tank and a 2.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
One hundred grams of water is saturated with NH4Cl at 50 degrees celsius . According to Table G, if the temperature is lowered to 10 degrees celsius, what is the total amount of NH4Cl that will precipitate.
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