How many moles of gas were added to a balloon that started with 2.3 moles of...
How many moles of gas were added to a balloon that started with 1.53 moles of gas and a volume of 24.9 L given that the final volume was 62.2L? Type your answer Drmule
QUESTION 4 A balloon containing 2.1 moles of Helium takes up 2.3 L. If the balloon is opened and the amount of gas is reduced to 1.4 moles of Helium, what is its new volume (in L)? The temperature and pressure are held constant. A. 3.45 B. 1.5 C.8.0 1.3 QUESTION 5
A balloon contains 0.125 mol of gas and has a volume of 2.86 L . If an additional 0.068 mol of gas is added to the balloon, what is its final volume? (Hint: The final number of moles is the sum of the initial number and the amount added.)
How many grams of methane gas were used to fill a balloon to a volume of 3.0 L at STP?
18. You fill a balloon with 2.50 moles of gas at 28°C at a pressure of 1.20 atm. What is the volume of the balloon? A) 4.79 L B) 22.41 C) 51.5 L D) 56.0 L E) 61.8 L
Under conditions of constant temperature and volume, how many additional moles of gas would have to be added to a flask containing 1.96 moles of gas at 25.0 C and 1.00 atm pressure in order to increase the pressure to 2.3 atm?
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...
LAB 7. DETERMINING THE ATOMIC WEIGHT OF MAGNESIUM 2. A gas sample in a balloon contains 4.0 moles of gas at a particular pressure, volume and temperature. If your balloon springs a leak and the volume decreases to 1/2 of the original amount before you can plug the leak, how many moles of gas have you lost (temperature and pressure remain the same)? 3. A sample of O, gas was collected over H,O in a 550 mL container at 21°C...
Carbon monoxide gas added to a balloon at STP causes it to expand to 1.60 L. (a) Predict how the volume will change if the pressure is held constant and the temperature is lowered. The volume increases.The volume ___________. (b) Calculate the new volume of the gas if the temperature is decreased to −16°C at standard pressure. ____ L
Problem 7. The pressure inside a 1.0L balloon at 25 in atmospheres, when the balloon is cooled to -42°C the Combined Gas law). Ans: is the pressure is 745 mmHe What is the pro expands to 2.0 L in volume Problem 8. A sample of nitrogen gas contains the new volume if the P and Tare kept constant, but to 2.5 moles. (Use the Avogadro's law). Ans: V2 ° 2.5 moolume if pleoni O moles in a volume of 3.5...