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Calculate the molar mass of a vapor that has a density of 1.88 g/L at 25.2 oC and 710. mmHg.
commercial concentrated of nh3aq is 28 percent ammonia by mass. density of the solution 0.900 gml. compute the
Consider a reaction where 27.0 grams of mercuric oxide (a red solid compound) is heated and completely decomposes to give the elements oxygen and mercury. IF 2.0 grams of oxygen is produced by this reaction
a graduated cylinder contains 10.0ml of water. if the volume of a single water molecule is 2.99 x 10e-23 cm e3 how many
a sample of a gas has a mass og 0.311g. its volume is 0.225 L at a temperature of 55 degrees C and a pressure of 886 mmHg. find its molar mass
calculate the estimated ratio of the protonated form of acetylsalicylic acid to the deprotonated form of aspirin at equilibrium in the stomach? acetylsalicylic acid(Aspirin) is a weak acid with a pKa = 3.4, Stomach acid has pH = 1.4.
An asteroid fragment contains carbon, it may burn when entering the Earth's atmosphere. What is the most likely compound to result from this process
identify the type of reaction..Barium chloride + sulfuric acid ---> Barium sulfate (s) + hyrdochloric acid
A balloon contains 0.128 mol of gas and has a volume of 2.76L. If an additional 0.073 mol of gas is added to the balloon (at the same temperature and pressure), what will its final volume be.?
For the following reactions, write the balanced formula equation, complete ionic equation, and net ionic equation. (Use the lowest possible coefficients.
A solution containing 0.2 g/mL of a pure R enantiomer in a 1 dm polarimeter rotates plane polarized light by +3?. What is the specific rotation of the R isomer. What will be the specific rotation of its S isomer.
Three bulbs are connected by tubing, and the tubing is evacuated. The volume of the tubing is 32.0 mL. The first bulb has a volume of 35.0 mL and contains 3.00 atm of argon, the second bulb has a volume of 250 mL and contains 2.27 atm of neon
A process involves the performance of electrical work in the amount w' on a system. Show that if the process is carried out at constant volume, the heat absorbed is delta U-w'.
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