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Many students find that the absorbance of the DNS reaction with Diet Sprite is lower than the absorbance of water blank? Explain
How do you solve for the molarity, molality, or mass percent of solute while only given two other bits of information
At 320 K and 16 atm pressure, the molar volume of ammonia, NH3, is about 10% less than the molar volume of an ideal gas. The best explanation for actual volume being this much smaller than the ideal volume is that
Lidocaine is thought to bind to receptors in its methylated form. identify in writting the atoms or groups in the compound that could be involved in its binding to a receptor via- hydrogen bonding (1 example)
a solution was prepared by mixing 50 ml of 0.100 M HCl with enough water to get 250 ml solution . what is the M of the final solution of hydrochloric acid?
Metal A was determined to be 95% extracted into methylene chloride with dethizone at pH6, when equal volumes of aqueous and non-aqueous solvents were used. what is the distribution ratio of A
The hydrogen gas formed in a chemical reaction is collected over water at 30 at a total pressure of 737. What is the partial pressure of the hydrogen gas collected in this way
Consider a mixture is a 2 dm^3 flask at 27 degree C. For each of the following mixtures, calculate the partial pressure of each gas, the total pressure, and the compositon of the mixture in mole percent. (Hint: for mole percent take your answer fo..
what is the corresponding pressure difference between points A and B, in mmHg. At which point (A or B) is the pressure higher, and why? The temperature is 60 °F throughout
Which stage of ionization usually produces more ions and why?
Using data from Table 13.4 in the textbook, calculate the freezing and boiling points of each of the following? 1. 0.40 mol ethylene glycol and 0.13 mol KBr in 126 g H2O
List 2 major factors that will affect the accuracy of your data and how you can improve the experiment
One of the constituents of turpentine is a-pinene, formula C10H16. The following scheme (called a road map) gives some reactions of a-pinene. Determine the structure of a-pinene and of the reaction products A-C.
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