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What is the concentration of the sodium ion (in M) in a solution of 0.695 M sodium phosphate
If you set the freezing point of oleic acid as 0 and the boiling point as 130, what is the freezing point of water on this new scale?
A restriction enzyme has a recognition seuence between G and C in a palindrome. Show the products of the followling double stranded DNA upon treatment with the enzyme
Use IR tables to locate absorption bands of the stretching frequencies of the alkyne C
On a smoggy day in a certain city the ozone concentration was 0.54 ppm by volume. Calculate the partial pressure of ozone and the number of ozone molecules per liter of air if the temperature and pressure
Determine the pH and the percentage of fully protonated weak acid/base for each of the solutions listed below:
Find a) the average speed, b) the root-mean-square speed, and c) the most probable speed of these particles. Explain your results
Is the system consisting of the aluminum and the water a closed system? Explain your reasoning. If not, how much energy was lost or gained by the system during the experiment
Calcium phosphide is used to make fireworks. Write a conversion factor that converts between moles of calcium ions in calcium phosphide, Ca3P2, and moles of Ca3P2.
Calculate rate constant for 1. level reaction where 81% of the matters have already react after 27 seconds.
When 54.01 g of Ba(NO3)2 is dissolved into a total volume of 3.23L of solution.
A sample of a gas weighs 2.006 g and has a volume of 1060.0 mL at 795.0 torr and 32.0 degrees Celsius. What is its molar mass?
A concentration cell contains electrodes made of the same metal and solutions containing the same ions but at different concentrations.
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