A 250.0 mL flask contains 0.350 mol of O2 at 40°C. What is the pressure in torr? Explain the question thoroughly how you got the answer, and why.

Q: clinical technician finds that the activity of a sodium-24 sample is 1088 cpm. What will be the…

A: The elimination half-life of a drug is defined as the time it takes for the concentration of the…

Q: A sample of mercury has a density of 13.6 g/cc at 37 0C. Calculate the specific gravity of mercury

A: Specific gravity or relative gravity is dimensionless quantity which refers to ratio of mass of…

Q: Sodium carbonate reacts with HCI to produce carbon dioxide gas, water, and sodium chloride. Balance…

A: 1. Calculate the number of grams of sodium carbonate neededNote: Convert Units first and Solve for…

Q: A quantity of gas in a piston cylinder had a volume of 0.539 m^3 and a pressure of 200 Pa. the…

A: According to the question, A quantity of gas in a piston-cylinder had a volume of 0.539 m^3 and a…

Q: 1-solid, 2-liquid, 3-gas, 4-supercritical fluid, point O-triple point, C-critical point -78.5 °C…

A: Asked : Given option which is correct for dry ice at the 1000 degrees celcius temperature and 5 atm…

Q: How many kilojoules are released by freezing 2.5 mol of H2O?

A: Enthalpy of freezing (∆Hfree) is used to calculate energy needed to release when liquid becomes…

Q: For the following Rx: +4.50 -1.25 X 070, what is the sphere power at 160? O +1.25D O-3.25D +3.25D…

A: transposition : Transposing an Rx is a simple process that involves converting one set of spherical…

Q: constructing

A: NORMALITY ASSUMPTION : The normality is a property of random variable that is distributed according…

Q: A mouse is placed in a sealed chamber with air at 754.0 torr. This chamber is equipped with enough…

A: Ideal gas equation or ideal gas law is the equation of state of a hypothetical ideal gas , it is a…

Q: Heliox is a helium‑oxygen mixture that may be used in scuba tanks for divers working at great…

A: Boyles law states that at a constant temperature, the pressure of a gas is inversely proportional to…

Q: How many grams of NaOH would you need to make 3,982 mL of a 3 M NAOH solution (m.w. = 40.00 g/mol)?…

A: By the concept of molarity, we can determine the concentration of a solution. It is the total number…

Q: How many moles of chlorine gas at 120. °C and 33.3 atm would occupy a vessel of 39.0 L?

A: The ideal gas law is the equation of state of a hypothetical ideal gas. It is a good approximation…

Q: A chemistry student needs 70.0 g of dimethyl sulfoxide for an experiment. By consulting the CRC…

A: To solve this problem, we need to calculate the volume of dimethyl sulfoxide that the student should…

Q: None

A: Step 1:To convert moles of magnesium oxide (MgO) to grams, you need to use the molar mass of MgO :…

Q: An e cylinder of oxygen with conversion factor 0.28 psi, is one quarter full and running at 1.5 lpm.…

A: Here is the step-by-step explanation:​Given:Full tank pressure: 2200 psiTank conversion factor: 0.28…

Q: You want 235mL of a solution that consists of 10% BSA, 2.37mM KCl and 120µM EDTA.  You have stock…

A: BSA is a globular proteins which is a well studied proteins and used as standard protein molecule in…

Q: Consider the data in the table. Compound Melting point (°C) AHfus (kJ/mol) Boiling point (°C) AH yap…

A:

Q: A sample of 8.00 mol of gas in a 10.00 L container is at 45.0 °C. What is the pressure (in atm) of…

A: Moles of the gas (n) = 8 mol Volume of the container (V) = 10 L Temperature (T) = 45 + 273 = 318 K…

Q: 15.0 L of an ideal gas at 298 K and 3.36 atm are heated to 383 K with a new pressure of 6.05 atm.…

A: Volume of solution is a measure of the concentration of a substance in a solution.

Q: At what pressure in atm does ethane (C₂H₆) have a density of 37.2 g/L at 75.0 °C?

A: The pressure of the ethane gas can be calculated by the ideal gas equation. PV = nRT Number of moles…

Q: Calculez: 0.02cm+3.72mm+0.024m+230µm. Give the answer in mm (do not round off your answer, write…

A: A micrometer, often called a micron, is a unit of length in the metric system, symbolized as µm. It…

Q: Chloroform is a volatile (readily changes from liquid phase to gaseous phase) once commonly used in…

A: Chloroform is an organic compound which is colorless, strong-smelling, dense liquid with a formula…

Q: Digitalis, a drug used to control atrial fibrillation in patients is to be delivered to have a the…

A: NOTE: It's 20.0 μg/kg and not 20.0 μμg/kg. Digitalis is a drug that is used to treat heart problems,…

Q: How many mg in 1.35 g ?

A: Measurements in science are done using metric units. Understanding of basic metric units and their…

Q: If 5.0 g of calcium hydroxide are needed, how many moles of magnesium hydroxide would be produced?…

A: 1.27 Moles of Mg(OH)2 are produced from 1 mole of Ca(OH)2.

Q: Calculate: 0.01cm+2.22mm+0.011m+190µm. Give the result in millimeters (Do not round up or down the…

A: we know that,  1 m = 1000 mm  190 μm = 0.00019 m = 0.19mm 0.011m = 11mm 0.01cm = 0.1mm