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: Please answer this NEATLY, COMPLETELY, and CORRECTLY for an UPVOTE. Co(NO3)2 (or CoCl2) From the…

A: 1 M stock solution Co(NO3)2 M1 is molarity of stock solution V1 is volume of stock solution required…

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: Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food.  When…

A: Sodium chloride is a common table salt that is commonly known as NaCl. Sodium chloride is commonly…

Q: constructing

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

Q: What mass of Co(s) may be deposited from an aqueous CoCl, solution if a current of 2.50 A is applied…

A:

Q: A drug has a measured diffusivity of 5*10^-6 cm^2/s^-1 at 37 degree Celsius. What is this drug’s…

A: The Stokes-Einstein equation is used to measure the viscosity of various solutions, and the…

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: How many kilocalories are needed to vaporize 5.8 mol of Br2?

A: Bromine is a dark reddish-brown fuming liquid with a pungent odor. Denser than water and soluble in…

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: A patient with severe pain is given 2 mililiters (mL) of morphine. What dosage is give in decimal…

A: Morphine is an opioid analgesics used in the treatment of moderate to severe pain. Morphine acts in…

Q: None

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

Q: Determine the following equivalents: (Round to the nearest tenth on weight 6.8 oz = 7.2 tsp = 8. 45…

A: To convert one unit to another, we must find the value of unit in comparison to 1 of the second…

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: Po-210 is an alpha emitter with a half-life of 138 days. Howmany grams of Po-210 remain after 552…

A: Given Values: t1/2 = 138 days t = 552 days No = 5.80 g Nt = ??

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: If 4.00 L of ethyl alcohol at 18.0 ⁰C is exposed to a temperature of 25.0 ⁰C, what is the resulting…

A: Initial temparature of ethyl alcohol is T₁ = 18° C = (273 +18) K = 291 K rising the temparatute to…

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: Can an amino acid be both glucogenic and ketogenic? Explain why or why not.

A: The the amino acid is the basic subunit of the protein, which helps to form protein functional…

Q: Ismail analyzed the triester content in an esterified oil using the gas chromatographic technique.…

A: Esterification refers to the process by which two reactants (alcohol and carboxylic acid) react to…

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: Given the figure below explain the effect of surfactants in terms of dirt removal on the solid…

A: A Surfactant molecule acts as a mediator between dissimilar boundaries, insoluble dirt, and water.…

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: How many liters of dry hydrogen gas, measured at 798 mmHg and 21C, will be released by the…

A: When change in pressure, volume and temperature occurs than the combined gas law is used. Combined…

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: **** 5.7 mmol/L M

A: As we know Blood sugar or blood glucose is the main sugar that is found in human blood. Diabetes is…

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