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Calculate the equilibrium concentration ratio of phosphocreatine to creatine in the following reaction if the concentrations of ATP and ADP are 8.0 mM and 1.6 mM, respectively.
Creatine + ATP --> phosphocreatine + ADP
exhales 30.0 times per minute, that the exhaled air is at a pressure of 1.00 atm, and that the air behaves as an ideal gas. Calculate the time in hours before a fire fighter using such an air tank runs out of air.
The extent of fragmentation for ionic compounds can be derived by comparing the molality expected if no dissociation with what is actually obtained from experiment.
Determine how will this error control the final computed percentage of CH3COOH in the vinegar
A 4.40 g nugget of pure gold absorbed 289 J of heat. The initial temperature was 21.0°C. What was the final temperature?
How many moles of NaOH are needed to raise the pH of a 4.50 L tank containing 0.00100 M HCl solution to 3.50?
The pH of a 0.40 M HF(aq) solution is 1.93. Calculate the change in pH when 0.356 g of sodium fluoride is added to 50.0 mL of the solution. Ignore any change in volume.
Determine how much heat is evolved or absorbed when 30.0 of lithium iodide completely dissolves in water.
A mix contains 0.540 mol He (g) , 0.420 mol Ne (g) , and 0.050 mol Ar (g). Placed in 1 Liter container at 25*C.
If an archaeologist finds an ancient firepit containing partially consumed firewood, and the 14C content of the wood is only 13.1% that of an equal carbon sample from a present-day tree, what is the age of the ancient site?
what is the maximum mass of an object traveling at 549 m·s-1 for which the de Broglie wavelength is observable?
Compute how many titanium atoms are there in 24.1 grams of titanium and also determine what is the mass in grams of 3.23E+23 atoms of titanium.
solution of water (K_f}=1.86 C/m) and glucose freezes at - 2.35 C. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 C.
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