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Combustion of a 1.50 g sample of a hydrocarbon produces 4.88g of CO2 and 1.5 g H2O. What is the empirical formula?
The half life of Iodine-131 is 8.0252 days. If 14.2 grams of I-131 is released in Japan and takes 31.8 days to travel across the Pacific
What mass of water can be heated from 36C to 100C by burning this piece of coal? Answer in units of g.
The specific heat of the reaction mixture was 4.104 Jg-1 K-1 and its density was 1.03 g mL-1. The calorimeter constant was 3.36 J K-1. Calculate delta H neutzn for reaction of NH3 and acetic acid.
Calculate the energy of a photon of electromagnetic radiation at each of the following frequencies (in J). 1. 103.7 MHz (typical frequency for FM radio broadcasting) 2. 1100 kHz
Rank the following ionic compounds in order of increasing attraction between their ions: BaO, BaCl2, and CaO.
How much heat energy is required to convert a 1.00 L block of ice at -40.00 degrees Celsius to steam at 250.0 degrees Celsius?
the gas buret before the hydrogen gas is genterated and is not removed, will the reported percent aluminum in the sample be too high or too low?
A manufacturer claims that their new candy bar contains fewer than 40 Calories per serving. As a technician in an independent laboratory, you use a bomb calorimeter with a specific heat capacity of 7.35J/gC.
Calculate ?H, q and w when 1.00 mol of helium at 5.00L and a temperature of 298.15K is expanded and heated simultaneously
Knowing the complete genome of an organism doesn't necessarily tell you about the nature of all proteins in the organism. Explain why
Discuss in detail the healthcare applications of chemical reactions. Which chemical reactions would you consider to be of importance to healthcare professionals? Why? In which situations are these chemical reactions useful to healthcare professiona..
Show all long pair electionrs (this means even those unreactive lone pairs), proper mechanistic arrows, all intermediate steps, and all side reactions if any. If you write them by hand please write clearly so I can understand everything.
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