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What is the change in pressure? 2. How many moles of an 3. If the pressure...
1. If 2.6 moles of Mg were mixed with HCl, how many moles of H2 gas would you expect to be produced? NG 3 2. If the ambient pressure is 1.009 atm and the temperature is 298 K, what volume (in liters) would moles of H, occupy? NG| 3
10) How many moles of carbon atoms are there in 0.500 mole of CaH-2 A) 0.500 moles B) 1.00 moles C) 3.00 moles D) 6.02 x 1023 moles E) 4.00 moles 11) How many grams of FerO3 are there in 0.500 mole of FeyOh A) 79.9 g B) 35.9 g C) 63.8 g D) 51.9 g E) 160. g 12) In the kinetic molecular theory of gas behavior, particles of a gas tend to move between them are and collisions...
how many moles of helium are present in a 5.00 cylinder at a pressure of 3.85 atm and a temperature of 24
6. a) How many moles of gas are in S L volume at 80 er at standard pressure of 1.01x10s Pa. b) calculate how many molecu temperature raise to 300 and volume is same, what is the pressure of the gas shoul d be? (k = 1.38x10 23」/K, R-8.31/ / mol . K.)
If an ideal gas has a pressure of 7.29 atm, a temperature of 415 K, and a volume of 53.21 L, how many moles of gas are in the sample? mol л
1. A particular gas exerts a pressure of 689 mmHg. What is this pressure in units of bar? 2. A particular gas exerts a pressure of 731 mmHg. What is this pressure in units of atmospheres? 3.A flexible vessel contains 78.00 L of gas at a pressure of 1.50 atm. Under conditions of constant temperature and moles of gas, what is the pressure of the gas when the volume of the vessel is tripled? 4.A flexible vessel is filled to...
Solid iodine has a vapor pressure of 1.0 mmHg at 39°C. How many moles of iodine will sublime into a 500. mL flask at this temperature? If the volume of the flask is doubled at constant temperature, what will happen to the equilibrium vapor pressure of I2? (Assume some solid I2 is always present in the container.)
1. What is the mass of 0.25 moles of Nazo? . 2- How many moles are in 10000 miligram of Fela? 3. How many atoms are in 0.25 moles of MgF2? 4. Find the mass of 100000 atom of KOH. . 5. How many molecules are in 5 moles of Mgla? * 6- Find % of all in 1 mole of Al(OH)3. 7. How many gram of Oxygen is in 22 gram of Al(OH)3. 8- How many atoms are in...
1. What is the mass of 0.25 moles of Na.O? 2- How many moles are in 10000 miligram of Fels? 3. How many atoms are in 0.25 moles of MgFz? 4. Find the mass of 100000 atom of KOH. 5. How many molecules are in 5 moles of Mgiz? 6- Find % of all in 1 mole of Al(OH)3. 7- How many gram of Oxygen is in 22 gram of Al(OH)3 22g x 100 8. How many atoms are in...
(3 pts.) 3 If 3.0 moles of potassium react with excess oxygen, how many moles of potassium oxide will form? 4 K(s) + O₂(g) → 2 K₂O(s) (3 pts.) 4 How many grams of potassium oxide can be produced from 4.50 g of K and an excess of O, based on the equation in question 3?