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Problem- Caffeine has the formula C8H10H4O2.If an average cup of coffee contains approximately 125mg of caffiene, how many moles of caffiene are in one cup?
Here is the problem which I am struggling on, please help me
Write the structure of the product obtained when cyclohexane is used to decolorize bromine-containing solutions
What is the maximum energy that can be extracted as (a) heat and (b)non-expansion work when 1.0 kg of natural gas is burned under standard conditions at 25 deg celsius. Take the reaction to be CH4(g) + 2 O2(g) ----> CO2(g) + 2 H2O(l).
luminol has a molecular weight of 177 gmol. the forensic technician at a crime scene has just prepared a luminol stock
Your body needs a small amount of sodium ion, Na1+, which your body gets by consuming table salt, or NaCl. Explain what role Na1+ plays in your body and what happens if you get too much or too little. Also find five foods that are high in sodium a..
Draw the major and minor products generated in the reaction of 1-Bromo-3methylene-cyclopentane in methyl alcohol and heat.
Explain the purpose of the "Thermodynamic properties of Urea " Experiment. Also , ca you please tell me any possible sources of error
The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are present in 2.00 L of the diluted spray
Would the following procedural errors causes an increase, a decrease, or no change in your calculated molecular weight? Indicate clearly the reasoning in each case.
The rate constant k for a first order reaction is 1.36 * 10 -3 s -1 at 90 degrees Celcius and the activation energy is 78.4 kJ/mol. What is the rate constant for this reaction at 50 degrees Celcius?
For the reactions of the alkyl halides with sodium iodide in acetone, does the type of halide affect the rate of the reaction? For the reactions of the alkyl halides with 1% ethanolic silver nitrate, does the type of halide affect the rate of the ..
When a metal at higher temperature is transfer to water at a lower temperature, heat is inevitably lost to the calorimeter. Will this unmeasured heat loss increase or decrease the calculated value of the specific heat of the metal
Consider the reaction below. What volume of CO2 gas will be produced by the reaction of 100 gram of CaCO3 at 25degC and P=10atm? CaCO3(s) + 2 HCl(l) > CaCl2(aq) + CO2(g) + H2O(l)
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