Ch 11: At what percentage does lack of Oxygen cause loss of consciousness and potential death? 21% O 17% 14% O 10%

Q: A mixture of copper and zinc is analyzed for the percentage of zinc by adding an excess of HCI and…

A:

Q: If a sample of hydrogen gas was collected over water. If the total pressure was 135.5 KPa, what…

A: Total pressure of the gas mixture = 135.5 KPa The pressure of the water vapour = 2.8 KPa

Q: The average rate of disappearance of N2O5 over the time period from t = 254 min to t 381 M min-1

A: Average rate of disappearance is equal to change in concentration with time .

Q: 6. Hydrogen gas is explosive within the range of 4% - 75% v/v. Assuming that each student in your…

A: In order to answer this, we must first take a couple of assumption. 1. Laboratory size, for…

Q: parts per million

A:

Q: What are the gasses that are allowed to diffuse when one of the gasses diffuse faster than 1.43 as…

A: Graham’s law of effusion:The gas effusion rate is inversely proportional to the square root of its…

Q: 10- Different levels of oxygen compounds are found in petroleum products. True False

A: Hydrocarbon consist of mainly carbon ad hydrogen. This question is related to oxygen compounds in…

Q: MISSED THIS? Watch KCV 10,7, ĮWE 10.9; Read Section 10.7. You can click on the Review link to access…

A:

Q: An odorous gas emitted by a hot spring was found to effuse 2.92 times slower than helium. What is…

A:

Q: Order these gases by how quickly they would spread out in the air: CH4, NH3, CO, H2O, Ne spreads…

A:

Q: Figure 1.6 shows that the CFC level was measured at about 272 ppt (parts perthousand) in 1995.…

A: Given data contains, Value in ppt is 272ppt.

Q: The partial pressure of oxygen in the lungs is about 150 mm of Hg. (The partial pressure is the…

A: C1 = 5.3 × 1024 molecules / m3 C2 = 1.4 × 1024 molecules / m3 Diffusion coefficient, D = 2 × 10-11…

Q: List the 2 gases that make acid rain.  Provide the source for each of these gases

A: Air pollution causes acid rain. Because of the existence of gases in the air, unpolluted rain water…

Q: A canister of oxygen gas is compressed from 68.0 mL at standard pressure to 19.0 mL. What is the new…

A:

Q: Calculate the volume in liters for ammonia reacting with 19.2 mL of oxygen at STP. 4NH3 + 5O2 ⟶4NO…

A: Given :-  4NH3 + 5O2 ⟶4NO + 6H2O  Volume of O2 at STP = 19.2 mL  To calculate :-  volume of ammonia…

Q: Sulfuryl chloride, SO2Cl2, is a highly reactive gaseous compound. When heated, it decomposes as…

A: Answers are explained below.  a) According to ideal gas law, PV = nRT Where, P = pressure, V =…

Q: Calculate the number of grams of Mg that reacted to produce hydrogen gas with a volume of 17383 mL…

A:

Q: Calculate the volume, in mL, of 0.95 mol of Potassium Sulfate when it is in its gas form at STP. o…

A:

Q: Between 2016 and 2018 Kern, California had the following high day air pollution averages. Ozone (8…

A: Carbon monoxide (CO) is an odorless, tasteless, and colorless gas that is marginally less dense than…

Q: Sulfuryl chloride, SO2Cl2, is a highly reactive gaseous compound. When heated, it decomposes as…

A: a) Mass of SO2Cl2 = 3.509 g Molar mass of SO2Cl2 = 135.0 g/mol Thus, moles of SO2Cl2 are- Moles of…

Q: A 2.56-g sample of a colorless liquid was vaporized in an evacuated 250.-mL flask at 121°C to give a…

A:

Q: If a sample of hydrogen gas was collected over water. If the total pressure was 135.5 KPa, what…

A: for dry gas we subtract the aqueous tension or water vapor pressure from the pressure of the gas…

Q: 4. At a restaurant, a customer chokes on a piece of food. You put your arms around the person's…

A: A. In Heimlich maneuver when we use our waist to push abdomen then volume of lungs get decreases…

Q: sulfate SO, hydroxide = OH R= 0.0821 atm•L mol K TK = Te + 273 PV = nRT 1 atm 760 mmHg 760 torr =…

A:

Q: The concentration of carbon monoxide in a sample of air is 7.1 × 10-6. There are ________ molecules…

A: The concentration (mole fraction) of CO in a sample of air is 7.1×10-6. The volume of sample of air…

Q: Complete the table:   Pascals Atmospheres Milimeters of Mercury Torr Pounds per Square Inch 883…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: On a sheet of paper, write the word or phrase from the Word Word Bank Bank that completes each…

A: An ideal gas follows a theoretical concept in which there is no interparticle interaction between…

Q: If 6.5 g of propane gas (C3H8) are combusted every second at STP, what is this rate of reaction in…

A: Given: The mass of propane gas(C3H8), (m)=6.5 g The molar mass of propane gas, (M)= 44.0 g/mol. The…

Q: If a sample of hydrogen gas was collected over water. If the total pressure was 135.5 KPa, what…

A: Given that : Total pressure (Ptotal) = 135.5 KPa Partial pressure of water vapour (Pwater) = 2.8 KPa…

Q: A sample of nitrogen occupies 945 mL at a temperature of 26 °C and a pressure of 85.0 kPa. What…

A:

Q: The average time for oxygen molecules to diffuse 0.5 mm is 20 seconds. How long would it take for…

A:

Q: If oxygen gas diffuses at a rate of 4.25 moles per second, what will be the rate for methane (CH4)…

A: Graham’s Law of Diffusion formula is as follows,

Q: What is the ppm concentration of 370g of HCN gas inside 123,490g of air? A. 3000 ppm B. 1500 ppm…

A:

Q: 4. Which is STP? a. 0 °C and 76 mmHg b. 100 °C and 76 cmHg c. OK and 76 mmHg d. 273 K and 760 m e.…

A: Since we answer only one question at a time, we'll answer the first one. Please resubmit the…

Q: During the decomposition of KClO3, 92.0 mL of gas is collected by the displacement of water at 250C…

A:

Q: 11. Radon gas produces radioactive particles and in high concentrations can result in lung cancer in…

A: Given: Room dimension = 7.2 m × 8.5 m × 4.0 m = 720 cm × 850 cm × 400 cm Concentration of Radon gas…

Q: What volume of oxygen will react with 200 mL of acetylene (C2H2), assuming the gases are present at…

A: In a balanced chemical reaction the reactants react and the products form in the molar ratio of…

Q: Dioxins are known to be very toxic. If TCDD concentration in the atmosphere is 195 ng/L of air. What…

A: The given conversions can be done using the below general unit conversion.

Q: %24 4+ # m w/ If someone takes a breath and the lungs expand from 4.5 L to 5.4 L in volume, and the…

A:

Q: Here is a graph of the pressure of ozone (03) in a reaction vessel during a certain chemical…

A: the speed of reaction  are measured in  terms of rate which the change in concentration upon time…

Q: 15. If the concentration of ClO. in the South Pole air is 2.0 x 10° molecules/cm3 at 1 atm and…

A: The expression of ideal gas equation is shown below: PV = nRT Where; P = pressure V = volume n =…

Q: In one demonstration of this reaction, 36.00 mL of H2 are collected over water at 25°C. Atmospheric…

A: Here given, Pressure (P) = 749 mmHg = (749/760) atm = 0.9855 atm Volume (V) = 36 mL = 0.036 L…

Q: 1. A rigid cylinder with a movable piston contains a sample of hydrogen gas. At 330. K, this sample…

A: given Pressure = 150 kPa Temperature  = 330 K Volume  = 3.5 L

Q: How many collisions does a single Ar atom make in 1.0 s when the temperature is 25 °C and the…

A:

Q: 15. Order these gases by how quickly they would spread out in the air: CH4, NH3, CO, H20, Ne spreads…

A: Speed of gases depends  upon the density of gas less the density  of gas more will be the speed.

Q: a flammable gas consisting only of carbon and hydrogen has been found to radiate through a porous…

A: This gas is methane. ( CH4 )