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Allicin is the compound responsible for the characteristic smell of garlic. An analysis of the compound gives the following percent composition by mass: C: 44.4 percent; H: 6.21 percent; S: 39.5 percent; O: 9.86 percent.
Calculate its empirical formula. What is its molecular formula given that its molar mass is about 486g?
What observed rotation is expected when a 1.26 M solution of (R)-2-butanol is mixed with an equal volume of a 0.630 M solution of racemic 2-butanol
Choose one of the iron-sulfur electron transfer proteins described in the text. Please draw the structure of the iron-sulfur active site, indicating the amino acids tethering the FeS core to the protein
Several new pieces of equipment are being used in the experiment along with all previous equipment. Using the internet, briefly state why we are using each piece of equipment in this experiment and illustrate with a picture.
An unknown gas has been determined to have the empirical formula CH2. At 27°C and 0.966 atm, the gas has a density of 1.65 g/L. What is the molecular formula of this gas
You place ethanol of 100 grams and water of 100 grams in a refrigerator. both are at room temperature Initially,. Determine which of the two liquid samples will cool faster and also explain why this happens.
Utilizing standard reduction potential to forecast and define which of the following the strongest reducing agent is- Mg, I-, Zn. You are given a compound with the formula MCl2, in which M is a metal.
what are the names of the products in this equation?
Compute the change in internal energy delta e for a system that is absorbing 35.8 kJ of heat as well as is expanding from 8.00 to 24.0 L in volume at 1.00 atm. Remember that 101.3 J= 1 l*atm.
an hcl solution was made by mixing 20ml of concentrated 12m hcl with 100ml of isopropyl alcohol. what is the molarity
Consider the following data. 2 Ca(s) + O2(g) 2 CaO(s) H = -1270.2 kJ C(s) + O2(g) CO2(g) H = -393.5 kJ CaO(s) + CO2(g) CaCO3(s) H = -178.3 kJ Use Hess's law to calculate H for the reaction below.
the carbonyl stretching frequency of aliphaticltbgt carboxylic acids in dilute solution is located near 1770cm. this
Beaker B contains 100.0g water heated to 20C.The contents of the two are mixed. What is the final temperature of contents? Assume no heat as lost.
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