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A11.6 g sample of a certain gas was introduced into a constant volume container at 25 °C. if the container were heated to 175 °C, how many grams of gas must be vented from the container to keep the pressure of the gas constant?
Which response gives all of the members of the following list that are acidic salts and none that are not acidic salts. KH2PO4, K2HPO4, K3PO4, NaHCO3, LiOH, LiH
The visible part of the hydrogen atom spectrum is called the Balmer series (n1 = 2). The violet line has a wavelength of 410.2 nm.
Calculate the maximum mass in grams of H2S that can form when 218 g aluminum sulfide reacts with excess water according to: Al2S3 + H2O => Al(OH)3 + H2S [unbalanced]
A solution is created by adding 0.05 moles of H2CO3 (3.1 g, total mass) to 5-L of water, resulting in a pH of 4.2. Now, we add sodium hydroxide (NaOH, strong base) until the pH reaches 7. You can neglect any changes in volume. What is the alkalini..
If the density of mercury is 13.6 g/mL. What is the mass in grams of 15.6 L of mercury?
Calculate the change in total internal energy for a system that releases 2.26 x 10^4 kJ of heat that does 5.54 x 10^4 kJ of work
Define internal energy and enthalpy. What is the difference between the two? List the following gases in order of increasing root-mean-square speed, all at the same temperature: H2, He, O2, Ne
Consider the titration of 25.0 mL of 0.0500 M Sn2+ with 0.100 M Fe3+ in 1 M HCl to give Fe2+ and Sn4+, using a Pt and calomel electrodes. (a) write a balanced titration reaction
What would be the expected effect on yield if only one mole of diethylamine per mole of alpha-chloro
a. For a weak acid with a pKa of 6.0, show how you would calculate the ratio of acid to salt at pH 5. b. Suppose you have just added 100 mL of a solution containing 0.5 mol of acetic acid per liter to 400 mL of 0.5 M NaOH. What is the final pH?
what is the relationship between the structure of the fabric molecule and the intensity with which the azo dyes color the fabric?
Important information about Net ionic equation, What is the net ionic equation of 2Fe(NH4)2(SO4)2*6H2O + 6K2C2O4 + H2O2 + H2SO4
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