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Calculate the moles of H2 present in this gas sample. . 9. 1.0 gram of water at 25 C is heated to 100 C, at which point it boils at an atmospheric pressure of 1 atm and is vaporized. (Assume the density of water is 1.0, which means the volume of liquid water at 25 C is 1.0 mL). A. What is the volume of water vapor produced? B. What is the difference in volume (in mL) between the water vapor and liquid water? (Assume the density of liquid water is 1.0 g/mL.) C. Why is it dangerous to heat a closed container of liquid to its boiling point?
a solution is made by dissolving 26.42g of nh42so4 in enough h2o to make 50.00ml of solution.a. what is the molar mass
solving this question helps the student to understand how to find molecularnbsp formula usingnbsp moles and mass.an
The atomic weight of a newly discovered el-ement is 10.600 amu. It has two naturally occuring isotopes. One has a mass of 10.000 gms and a natural abundance of 70.000%. What is the isotopic mass of the other isotope?
In the reaction below, 1 atm of H2 and 6 atm of Cl2 were placed into a 1.00 L flask and allowed to react: H2(g) + Cl2(g) 2 HCl(g) Given that Kp at 800 K is K = 36, calculate the equilibrium pressure of HCl.
Determine Qc if the following amounts (in moles) of each component is placed in a 10.00 L container.
To make 1.50 L of 0.100 M NaCl from a 3.13 M stock solution,you would need to take ( blank) mL of the stock solution and add (blank) mL of water
Why is it important that your distillation apparatus to have a vent to atmospheric pressure and why do you put a boiling chip
How many grams of no2 will be produced when 5.00 moles of NO react?
Calculate the pH of a formic acid solution that contains 1.37% formic acid by mass. (assume the density of 1.01 g/mL for the solution
A 155 mL sample of rainwater is titrated using 0.0095 M NaOH solution. If 4.8 mL of the NaOH solution was required to reach the endpoint, what was the pH of the rainwater?
A 40-year old weighs 150 lb experience abdominal pain and says he consumed two 12oz bottle of beer. The alcohol in the beer is about 5 % alcohol and he said he was drinking over a hour.
An effective treatment for some cancerous tumors involve irradiation with "fast" neutrons. The neutrons from one treatment source have an average velocity of 3.2 x 10^7 m/s. If the velocities of the individual neutrons are known to within 2% of th..
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