2. Complete and balance this single replacement reaction (assume Zn goes to Zn) Zn+H2SO4 3. Complete and bal...
1. If a gas occupies 2 L at 3 atm, how many liters will it occupy at 6 atm if the temperature is not changed? a)1L b)2L c)3L d)4L 2. IF A GAS OCCUPIES 2 L AT 273 °C, WHAT IS THE VOLUME AT 0 °C IF THE PRESSURE DOES NOT CHANGE? a)0.5 L b)1 L c)2 L d)4 L 3. If a gas occupies 5 L at 298 K, what temperature is needed to reduce the volume to 2 L...
A sample of carbon dioxide gas at a pressure of 923 mm Hg and a temperature of 76 °C, occupies a volume of 12.0 liters. If the gas is heated at constant pressure to a temperature of 100 °C, the volume of the gas sample will be L. A sample of nitrogen gas at a pressure of 897 mm Hg and a temperature of 41 °C, occupies a volume of 9.00 liters. If the gas is cooled at constant pressure...
2. Complete and balance this single replacement reaction (assume Zn goes to Zn") Zn + H2SO4 → 3. Complete and balance this decomposition reaction: HgO → 4. Name three ways you can verify that a chemical reaction has taken place. 5. Balance the following equation: _ Fe(s) + _ _O2(g) → __ _ Fe2O3(s)
Please answer & explain 26-30 A gas sample is held at constant pressure. The gas occupies 3.62 L of volume when the temperature is 21.6°C. Determine the temperature at which the volume of the gas is 3.45 L 26 d) 295 K 309 K b) 281 K c) 20.6 K a) 27. The temperature of a specific amount of gas in a sealed container changes from 20.0°C to 40.0°C. If the volume remains constant, the pressure will change from 755...
Topic: Practice exercise on gas laws. You must write the equation you are using to solve the exercise. 1. A sample of Argon gas occupies an initial volume of 5.40 L when its pressure is 6.52 atm. What will be the final pressure of the gas if its volume increases to 9.73 L? 2. An unknown gas occupies an initial volume of 0.256 L when its temperature equals 121ºC. What will be the final volume if the temperature drops to...
1. A helium-filled weather balloon has a volume of 558 L at 22.9°C and 751 mmHg. It is released and rises to an altitude of 3.13 km, where the pressure is 582 mmHg and the temperature is 1.9°C. The volume of the balloon at this altitude is ____L. 2. A sample of helium gas collected at a pressure of 1.42 atm and a temperature of 17.0 °C is found to occupy a volume of 22.9 liters. How many moles of...
a) A helium-filled weather balloon has a volume of 521 L at 17.9°C and 758 mmHg. It is released and rises to an altitude of 5.22 km, where the pressure is 472 mmHg and the temperature is –14.1°C. The volume of the balloon at this altitude is ______L b) A sample of krypton gas occupies a volume of 6.19 L at 56.0°C and 382 torr. If the volume of the gas sample is decreased to 4.90 L, while its temperature...
25. You’re at the zoo and have a big red 3.20 L helium balloon. The barometric pressure is 790.0 mm Hg. Then you hear the roar of a lion. Startled, you accidently release the balloon. It flies away. By the time it reaches the clouds the atmospheric pressure is only 0.300 atm. What is the new volume of the balloon? a) 6.20 L b) 11.1 L c) 1.06 L d) 8.43 L 26. A gas sample is held at constant...
please do all. thanks. 1. a. A weather balloon is filled to the volume of 105 L on a day when the temperature is 25°C. If no gases escaped, what would be the volume of the weather balloon after it rises to an altitude where the temperature is -9°C? Volume = L? b A 203-mL sample of a gas exerts a pressure of 2.55 atm at 19.5°C. What volume would it occupy at 1.85 atm and 190.°C? Volume = ?mL...
1- A sample of carbon dioxide gas at a pressure of 1.03 atm and a temperature of 210 °C, occupies a volume of 546 mL. If the gas is cooled at constant pressure until its volume is 443 mL, the temperature of the gas sample will be ______ °C. 2- A sample of nitrogen gas at a pressure of 831 mm Hg and a temperature of 81 °C, occupies a volume of 6.66 liters. If the gas is heated at...