If you have a sealed syringe containing 10 cc of air at a pressure of 14.7 psi. and you double the pressure to 29.4 psi—by pressing on the plunger—what will the volume of the air be?

Q: List some industrial plants in kenya and indicate the gaseous pollutants they emit

A: Industrial plants in kenya Gaseous pollutants emit Amu coal power plant  lead , Arsenic and carbon…

Q: Calculate the normality of 0.00542 Ca(OH)2 Select one: O a. 0.00542 Ob. 0.00181 Oc 0.01626 Od.…

A: Relation between normality and molarity: Normality = n x Molarity Where, n = acidity of base ie…

Q: gas was conducted at 47.2 °C. The Keq = 0.105

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

Q: Calculate the volume of 0.152 M C6H12O6 (aq) that should be used to prepare 25.0 mL of 1.59×10–5 M…

A: M1V1=M2V2

Q: The thickness of the distance between any two marking on a buret is equivalent to about O 0.02 mL O…

A: The question is based on the concept of experimental Chemistry. we have to predict the distance…

Q: 1. Explain what the functions of the clay triangle and wire gauze are for an apparatus? (In 2…

A: Function of clay traingle = A clay traingle is used to hold the dishes and crucibles when they are…

Q: These organic solvents are used to clean compact discs : (a) If a 15.00-mL sample of CD cleaner…

A: Given: Volume =15 mL Mass of CD cleaner= 11.775g

Q: a. Guess which contains more, the can or the bottle. (Assumethat the top part of the bottle is a…

A: The volume of cylinder and cone are expressed as: Vcylinder=πr2h    Vcone=13πr2h

Q: A patient systolic blood pressure is 0.180 ATM what is the blood pressure in the usual mm hg  units

A: The unit of pressure can be expressed in different units which are atm, mm Hg, pascal and bar.

Q: What will be the final volume of 100. ml of N2 at -20.0º C if you heated it to 10.0º C?

A: TEMPERATURE: Temperature is an entity which shows the amount of energy of movement of the molecules…

Q: I have made a thermometer which measures temperature by the compressing and expanding of gas in a…

A: The physical principle known as Charles' law states that the volume of a gas equals a constant value…

Q: If a 250 mL glass of water contained 5.00 ppb, what mass of lead is in the glass of water? Assume…

A: The ppb is the form of concentration which can be represented as; ppb=Mass of solute (in g)Mass of…

Q: The prevailing atmospheric pressure on a plateau in Colorado is 0.770 atm. Express this pressure in…

A:

Q: Volume of syringe’s reading read as 4cc when the weight (pressure)  was 600g. Determine the pressure…

A: Solution :    Boyle's law states that the volume of a definite mass of gas is inversely proportional…

Q: Which of the following is a unit of pressure?  Select ALL that apply. a. kg/m3 b. J c. lb/in2 d.…

A: Which of the following is a unit of pressure?

Q: 5- You need to pipette a 50μl from a 500ml stock bottle what should you do? Use small volume from…

A: Our target is to remove a 50 μL solution from a 500 mL stock bottle.

Q: sing P1V1 = P2V2 Work out the following : Assume that weight is same as pressure applied 1)  150g…

A: At steady temperature the volume of a given gas varies inversely with its pressure applied to it…

Q: A previous Chem 100 student carried out the experiment you did by reacting 0.035 g of magnesium. The…

A: We have the ideal gas equation PV = nRT Here, P = pressure of the gas in atm V= volume of the gas in…

Q: #5

A:

Q: Calculate the weight of 20.0 liters SO2 at STP.

A: Calculation of moles:Given volume = 20 litresMolar volume = 22.4 litres

Q: If the scale-pan of weighing balance is not well cleaned during preparations, it could lead to the…

A: 1. Cross contamination is correct answer .

Q: A 0.5 mole sample of argon gas occupies a volume of 500 mL at 740 mm Hg pressure. At what volume…

A: The ideal gas equation is given by,                                        Where, P is the pressure…

Q: What volume of 95.0 mass% ethanol alcohol should be used to prepare, including adding water, 150.0…

A: By dilution we can get required amount.for that Whatever unit of concentration is given, as long as…

Q: tm. Use the virial

A: Here, P= 1 atm= 1.013x105pa, n=0.5, R= 8.314, T= 100oC,373 K,

Q: 10:24 Worksheet-No.-1-Com...Laboratory-Apparatus-1 Done 'C

A: It is an alcohol burner. it is used to to produce flame or heat

Q: What would be the new pressure if a 400 mL gas sample at 380 mm Hg is expanded to 800 mL with no…

A: New pressure = 190 mm Hg

Q: A polluted stream flows at 1 MGD carrying a concentration of 1 mg/L of a conservative pollutant such…

A: Given that, a polluted stream flows at 1 MGD (million gallons per day) carrying a concentration of 1…

Q: In what way is specific gravity useful in pharmacy? Explain its application.

A: Specific gravity is defined as the ratio of a density of an object by the density of water. It is…

Q: Enumerate and discuss the relationship of the following properties of water in the amount of…

A:

Q: he gap between two brain cells is 2.0 × 10-3 nm. How many meters is this?

A: We need to do dimensional analysis. 1 nm = 10-9 m.

Q: How will you prepare 3.5 mL of 45 mM hydrogen peroxide from a 600 mM stock

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: Calculate the volume of the flask using the mass of water which filled the flask and the density of…

A: Answer in table Temperaure (°C) 20 21 22 23 24 25 26 27 28 29 30 Density (g/mL) 0.9972 0.9970…

Q: Calculate the approximate PAO, given the following conditions (assurne R = 0.8): FIO, = 40, Pa = 770…

A: Given: The value of FiO2 is 0.40, PB is 770 mm Hg, PACO2 is 31 mm Hg and R is 0.8.

Q: Calculate the normality of 0.0074 Ca(OH)2 Select one: O a. 0.01480 Ob. 0.00370 Oc. 0.02220 С. O d.…

A: Relation between Normality and Molarity: Normality = n x Molarity Where, n = acidity of base ie…

Q: Relate physical pharmacy to pharmaceuical formulation

A: Physical pharmacy  forms the basis for design, manufacture, and distribution of drug products and…

Q: to 50.0°C. If the pressu gas? a.) 38.6 mL b.) 87.5 mL c.) 31.8 mL d.) 35.0 mL e.) 52.5 mL

A: According to Charles's law at constant pressure, the volume of a gas is directly proportional to the…

Q: A real gas can exist in a laboratory. O True False

A: Ideal Gas : A gas which follows the Ideal Gas equation, is called Ideal gas.

Q: Show your complete and detailed solution.  What is the molecular diameter of N2(g) having a mean…

A:

Q: Calcium hydroxide reacts with sulphuric acid and gives calcium sulphate precipitate For rapid…

A: For the rapid separation of the precipitate, several techniques can be used like centrifugation,…

Q: suck water from a cup up to the 30ml of a syringe without needles. cover tightly the tip of the…

A: Given: Suck water from a cup up to the 30ml of a syringe without needles. cover tightly the tip of…

Q: Sampre of ar at 15.0 Psi compresses From 555 mL to 275 mL f temp remnains constant what us Final

A: The final pressure will be 30.3 psi.

Q: If we were to measure diffusion rate over time, do you think it would change or stay consistent? If…

A: Diffusion is the net movement of anything (for example, atoms, ions, molecules, energy) from a…

Q: When measuring the flask volume by filling with water, what would happen to the calculated volume of…

A: The space occupied by any substance is called as the volume of the substance. The volume of the…

Q: Solve this

A: The % of KClO3 (mass %) can be calculated by using the formula, % KClO3=Mass of KClO3 in gramsMass…

Q: w high is the shelf?

A:

Q: What volume of 0.250 MHCl is required to produce 2.00 L of H2gas (assume excess Mg)at STP? Mg(s) + 2…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A student measured the concentration of H₂SO4 by titrating it with 3 L of NH3 at 646 torr and 305 K.…

A: Given, Volume of NH3, V = 3 L  Pressure, P = 646 torr                       = (646/760) atm…

Q: A 65 kg diver stands at the end of a 29 kg springboard, as shown in the figure. The board is…

A: THE Magnitude of vertical force exerted by th hinge on the board = 637 N

Q: Radon is a radioactive gas found below ground. If a sample of radon occupies 299 mL at 25 ?C, what…

A: Volume (V1) = 299 mL = 0.299 L Temperature (T1) = 25°C = 25+273 = 298 K  Volume (V2) = ? Temperature…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.