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What weight of solid glycine pk1=2.4, and pk2=9.6 and what volume of 1.0 M HCl are required to make 100ml of .3 M buffer ph 2.4? please descrribe each step you do in DETAIL so i can understand process and use correct units please
Write a balanced thermochemical equation for the standard formation of CH3OH
What mass of Cl2 gas will occupy the same volume at 10 C as that occupied by 3.20 g of SO3 gas at 40 C if the pressure of the two gases is the same
What would be the volume of the carbon dioxide if it were collected wet at 24.02 degrees Celsius (still with the same ambient pressure). Assume that the vapor pressure of the water is 4.02 kPa at that temperature.
How many orbitals are there in a atom with the following combinations of quantum numbers? A). n=3 l=1 B). n=4 l=2 ml=2
a concentration cell consists of two h2h half cells. half cell a has h2 at 0.87 atm bubbling into 0.10 m hcl. half cell
a) water is sprayed on the ground of an orchard when temperatures are near freezing to keep the fruit from freezing. Explain b) How many kilojoules of energy are released if 5.0 kg of water at 15 degrees C is on the ground and cools and freezes at..
closed container and the mixture is ignited the reaction products are CO2 and H2O. If 61.6 g of CO2 are actually produced in the reaction , what is the percent yeild of CO2?
A volume of 20.22 mL of NaOH solution which is (0.046464) was needed to titrate 10.06mL of acetic acid to the phenolphthalein end point.
Compute the changes in the degree of polymerisation and the rate of the polymerisation caused by raising the temperature of polymerisation of styrene in C6H6, initiated by azobisisobutyronitrile from 60 0C to 70 0C.
Which of the compounds in the previous problem are aromatic? Which are isomers? a.ethylene b.1-butene c.2-chloro-1,3-butadiene d.2,5-dimethyl-3-hexene e.3-isopropylcyclopentene f.1,3-dimethylbenzene
Decide whether or not each of the following metals dissolves in 1M HCl. For these metals that do dissolve, write a balanced redox reaction showing what happens when the metal dissolves.
1. Which of the following proceeds with syn addition? a. hydroboration of an alkene. b. hydrobromination of an alkene c. radical bromination of an alkane d. contra-markovnikof hydrobromination of an alkene with dialkyl peroxide initiation e. epoxi..
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