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What is the velocity of a hydrogen molecule after absorbing a photon @ 58.4 nm? What is the translational energy of the molecule in J mol-1
Vinegar is made by adding 33 grams of acetic acid to 625 grams of water. What is the percent by mass of acetic acid in this solution vinegar?
During the dehydration reaction when acetaldehyde was reacted with KOH in ether, an intermediate was formed. What was this intermediate that was eventually converted to the final product?
Platinum crystallizes with a face centered cubic lattice. The atomic radius of platinum is 0.138nm, and the atomic mass is 195.1 . (a) Calculate the lattice parameter of Pt from these data
a chemist makes an hbr hydrogen bromide sample and observes that this sample occupies capacity of 279 ml at the
highlight by clicking on the asymmetric carbons if any, and indicate whether each compound is Chiral and Number of stereocenters
Calculate the partition coefficient of butandioic acid between ether and water at 298K.
three gases nitrogen helium and krypton are confined in a 4.00 l vessel at a pressure of 14.0 atm. the vessel contains
Calculate the rate constant (k) for the reaction (don't forget the unit). If you can somehow help me and maybe upload the worked out problem I would greatly appreciate it and thank you in advance
1 give the names and chemical formulas for five bases of your choice.2 write a chemical equation that shows the release
the mineral greenockite is a rare yellow sulfide of cadmium that is 78.0% cadmium and 22.0% sulfur by mass. Determine the empirical formula of greenockite.
The flask is opened and more gas is added to the flask. The new pressure is 795 mm Hg and the temperature is now 26 °C. How many mol of gas are in the flask?
Germanium forms a substitutional solid solution with silicon. Compute the weight percent of germanium that must be added to silicon to yield an alloy that contains 4.43 × 1021 Ge atoms per cubic centimeter
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