Question

In: Chemistry

What volume of oxygen at 20 °C and 730 torr can be obtained from 100 g...

What volume of oxygen at 20 °C and 730 torr can be obtained from 100 g of KClO3? 2KClO3 (s) => 2KCl + 3O2(g)

a.

20.4 L

b.

30.7 L

c.

28.7 L

d.

18.9 L

e.

27.5 L

Solutions

Expert Solution

queen_honey_blossom answered 2 years ago
Next > < Previous

Related Solutions

100 g of ice at -20°C are mixed with 250 g of water at 20°C in...
100 g of ice at -20°C are mixed with 250 g of water at 20°C in an insulated calorimeter. What is the final temperature of the system? How many grams of liquid water and how many grams of ice will you find after the system equilibrates? find T in degrees C; m of solid (in grams); m of liquid (in grams) T=____ ms=____ mliq=____
A 200 g aluminum calorimeter can contain 500 g of water at 20 C. A 100...
A 200 g aluminum calorimeter can contain 500 g of water at 20 C. A 100 g piece of ice cooled to -20 C is placed in the calorimeter. A) Find the final temperature of the system, assuming no heat losses. (Assume that the specific heat of ice is 2.0 kJ/kg K) B) A second 200 g piece of ice at -20 C is added. How much ice remains in the system after it reaches equilibrium? C) Would your answer...
A 200 g aluminum calorimeter can contain 500 g of water at 20 C. A 100...
A 200 g aluminum calorimeter can contain 500 g of water at 20 C. A 100 g piece of ice cooled to -20 C is placed in the calorimeter. Find the final temperature of the system, assuming no heat losses. (Assume that the specific heat of ice is 2.0 kJ/kg K) A second 200 g piece of ice at -20 C is added. How much ice remains in the system after it reaches equilibrium? Would your answer to part b...
20 liters of water at 20 bar and 100 °C are in a variable volume container....
20 liters of water at 20 bar and 100 °C are in a variable volume container. 56,000 kJ of heat are added to the system at constant pressure which causes an increase in both temperature and volume. Draw a schematic of the process Write the energy balance for this process and clearly state any assumptions: What is the final volume of the container? How much work in [kJ] is completed? Pay careful attention to your negative signs! In one sentence...
A water sample obtained from the neigborhood pond was analyzed for dissolved oxygen content. A volume...
A water sample obtained from the neigborhood pond was analyzed for dissolved oxygen content. A volume of 300 mL, with temperature 21 degrees Celsius, was analyzed using the Wrinkler method shown in the simulated lab material. It took 15.0 mL of 0.01 mol/L Na2S2O3 solution to reach titration end point. *Note: Na2S2O3 solution is the source of S2O32- ions for the titration reaction. In the succeeding questions, provide the following values required. Take note of the units a.What is the...
What volume, in liters, of O2 measured at 760 torr and 25o C is needed to...
What volume, in liters, of O2 measured at 760 torr and 25o C is needed to completely react with 18.47 g of iron to give Fe2O3?
what percentage of bound oxygen does hemoglobin release between 100 and 30 torr of pO2? a....
what percentage of bound oxygen does hemoglobin release between 100 and 30 torr of pO2? a. 97% b. 95% c. 55% d. 40% e. 6%
(a) What is the total volume of gaseous products, measured at 350°C and 689 torr, when...
(a) What is the total volume of gaseous products, measured at 350°C and 689 torr, when an automobile engine burns 103 g of C8H18 (a typical component of gasoline)? L (b) For part (a), the source of O2 is air, which is about 78.0% N2, 21.0% O2, and 1.0% Ar by volume. Assuming all the O2 reacts, but no N2 or Ar does, what is the total volume of gaseous exhaust?
A 200 g aluminum calorimeter contains 500 g of water at 20 C. A 100 g...
A 200 g aluminum calorimeter contains 500 g of water at 20 C. A 100 g piece of ice cooled to -20 C is placed in the calorimeter. Find the final temperature of the system, assuming no heat losses. (The specific heat of ice is 2.0 kJ/kg K) A second 200 g piece of ice at -20 C is added. How much ice remains in the system after it reaches equilibrium? Would your answer to part b be different if...
Consider a solution of 1.00 g of glucose in 100 g of water at 20˚C (where...
Consider a solution of 1.00 g of glucose in 100 g of water at 20˚C (where the vapor pressure of pure water is 17.54 torr). For this problem we will assume the solution behaves ideally. (a) What is the equilibrium vapor pressure of the solution? (b) What is the osmotic pressure of the solution versus pure water (report it in torr)? (c) What is the activity of water as a solvent in the solution? (d) Now suppose 1.00 g of...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT