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Glucose, the sugar used by cells of our bodies for energy ahs the molecular formula C6H12O6. How many atoms of CARBON are present in a 3.5 samples of glucose?
Please give explanation of how the answer is obtained. I don't just want the answer itself. I want to understand it.
If the initial temperature of the water in the calorimeter was 20.25 °C, calculate the calorimeter constant (in J/K) for the coffee cup calorimeter.
Prepare the molecular formula for given compounds and determine the amount of molecules present and write the molecular formula and determine how many grams of each you have
The concentration of Mg2+ in seawater is 0.052 M. What is the pH when 95% of the magnesium ions will be precipitated as the hydroxide salt. (Ksp, Mg(OH)2 is 8.9 x 10-12).
Vapor pressure of water at 25 deg C is 24 mmHG and that of pure methanol is 120 mmHG. What is the vapor pressure above the solution of methanol and water at 25 deg C. What is the mole fraction of methanol in the vapor above this solution
At a certain temperature the vapor pressure of pure benzene and pure toluene are 380 torr and 130 torr, respectively. If 7.50 mol benzene is mixed with 6.64 mol toluene
In the Bohr model, the potential energy of a hydrogen atom in the nth orbit has a value we will call Un. What is the potential energy of a hydrogen atom when the electron is in the (n+1)th Bohr orbit. (Give your answers in terms of Un and n.)
A 782 mL gas sample at STP is compressed to a volume of 131 mL, and the temperature is increased to 22 ? C. What is the new pressure of the gas in Pa? Answer in units of Pa
Fully explain two disadvantages of the colorimetric method to determine the concentration of species over te classial titration method. using two chemichal reactions explain how iodate ions and ypochlorite ions both act as oxidizing agents
considering the given equation 4fes 3o2g 2fe2o3s compute the amount of heat evolved in the oxidation of 32.0
Liquid carbon disulfide burns in oxygen to form carbon dioxide and sulfur dioxide gases. Calculate the number of oxygen molecules it would take to consume 500 molecules of carbon disulfide
What are the importance of amino acids in physiological processes, in nutrition and in the different uses of these
Present-day plant life has a carbon-14 decay rate of 16 disintegrations per minute (dpm) per gram of carbon. If a contemporary wooden chair were somehow preserved for the next 3,900 years, what 14C decay rate should be expected from the wood used ..
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