What is 10% law?

Q: Smoke detectors in homes and apartments contain Am-241,

A:

Q: How many moles of EDTA (C10H16N2O3) do you have in 785µl of a 74MM EDTA solution (Mr(C10H16N203) =…

A:

Q: What is the relation of A, T and %T? Under Beer Lambert Law crux the concentration.

A: According to the Beer-Lambert law, absorbance is linearly proportional to the concentration of…

Q: In a neutral solution, the [H] is : O 1.0x10-14M zero 1.0×107M 1.0x10-7M

A: The acidity of any solution is determined by the molarity of the Hydrogen ions. So, the pH of any…

Q: The two most abundant pigments in the chromatography results were carotene and Xanthophyll. What…

A: A photosynthetic pigment is a pigment which is found in green plants and do not  absorb all the…

Q: How many grams is one mole of potassium chloride KCI?

A: Moles : unit of concentration  Mole concept is used to convert mass and number of particles. 1 mole…

Q: 0.47 absorbance/ 4713.6 mol/L = In scientific notation please & 0.57 abosorbance/4713.6 mol/L=

A: Beer-Lambert law states a linear relationship between concentration and absorbance. When…

Q: When 0.2 millimoles of Y are dissolved in 250 ml of water, the resultant solution has an absorbance…

A: Beer-lambert law states that for the given material, the sample concentration and path length are…

Q: How many mL of methadone is needed for a patient who was prescribed 0.015 g of methadone? The vial…

A: The volume of drug solution (methadone) to be infused will be calculated by considering the volume…

Q: Why do wines typically have an alcohol concentration of12–13%?

A: Wine is an alcoholic beverage that is made by fermenting the juice of grapes. There are basically…

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: By the means of gas stoichiometry, how soaps are created?

A: Soap is made up of animal fat or plant oil, as well as caustic soda. It dislodges dirt from surfaces…

Q: Some dried beans with a 14C/12C ratio one-eighth of the current value are found in an old cave. How…

A: The primary way for the age determination of an old sample is carbon dating. The carbon-14 is…

Q: In kool aid chromatography, what factors affect the efficiency of the column? Also discuss the…

A: Kool aid chromatography  The blue dye, is more non-polar than the red dye and is attracted more…

Q: What two quantities are being compared in the graph?

A: HIV or the human immunodeficiency viruses is a type of Lentivirus (a subgroup of the retrovirus,…

Q: Elemental gold is being recovered by electrodeposition from a solution with tiny amounts of Au(III).…

A: Gold is recovered by many process like cynide process etc.

Q: Why is 350°C water emitted from a black smoker not boiling?

A: Black smokers are one of the types of hydrothermal vents that are found in deep sea beds and appear…

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: About what thermometer reading (in degrees Celsius) do you expect as you approach the end of the…

A: The process of fractional distillation involves repeated distillations and condensations till the…

Q: How many grams of CH3OH can be made from 10.0 g of CO if it all reacts?

A: Methanol (CH3OHCHX3OH) is made by reacting carbon monoxide (CO) and hydrogen (H2) at high pressure:…

Q: A manufacturer wishes to produce a batch of compressed tablets each containing 800 mg active…

A: A drug is a chemical substance that is used to treat any pathogenic, physiological or psychological…

Q: What is meant by the term “balanced equation”?

A: Balanced Equation : It is defined as "An equation for a chemical reaction in which the number of…

Q: If a 0.2g of oil consumed 1ml of sodium thiosulphate, calculate its Iodine value and classify the…

A: Lipids are classified into fats, oil, and wax. Fats are also called triglycerides, where three fatty…

Q: CH3 N2 No 2 32/ Why is the 59% compound higher than the 32% compound?

A: The 59% compound ìs ortho-nitromethylbenzene 32% compound is para-nitromethylbenzene

Q: What is the percentage of ethyl alcohol by volume in 750 ml grape wine with 93.8 ml ethyl alcohol?

A: The wines are produced from fruit juices that are rich in glucose. The juice is allowed to ferment…

Q: A 75.0 g piece of Ag metal is heated to 80.0 C and dropped into 50.0 g of water at 23.2 ° C. The…

A: To find: Specific heat of silver

Q: What is the volume (in mL) of ethanol in the bottle?

A: Volume is calculated by the % by volume formula, that is volume of solute dissolved in the volume of…

Q: What is the equivalent of 7 ppb in µg sol/L?

A: ppb means parts per billion.

Q: "The Henderson-Hasselbalch equation allows us to:

A: The Henderson- Hasselbalch equation:  It is an equation that demonstrates the link between a…

Q: What is sievert?

A: Radiation It is the emission or transmission of energy in the form of waves or particles through…

Q: What are the relative dangers of wrong and unapproved mixtures and combinations of alcoholic…

A: Long term consumption of alcohol leads to chronic disease. It also leads to increase blood pressure,…

Q: What is the dose in mSv for 2.5 mGy of neutron exposure to the eye?

A: Consider 0.1 Gy x-ray Find the dose in my by using the relationSv = Gyx RBE

Q: How do you prepare 42:1 chloroform/isoamyl alcohol 70% ethanol?

A: Preparation of 42:1 Chloroform / Isoamyl alcohol  Add 42ml of Chloroform and later add 1ml of…

Q: Why should Erlenmeyer flasks hold not more than 60% of their capacity?

A: To conduct experiments and conduct research, laboratories need a variety of instruments and…

Q: What is the michaeli's equation??

A: it is found in the enzyme.

Q: A 523.1-mg sample of impure KBr is treated with excess AgNO3 and 814.5 mg AgBr (187.774 g/mol) is…

A: Reaction between KBr and AgNO3 given as: KBr + AgNO3 --> KNO3 + AgBr

Q: When oxygen is exhausted in a milk sample, what color is the methylene blue indicator?

A: Methylene blue stain is a basic dye that colors nucleic acids and acidic carbohydrates. It is used…

Q: What are the essential information that we must include in the manufacturer lebel?

A: Labeling is an important process in the pharmaceutical industry during the supply of the…

Q: Calculate all the glucose data into cmol. What is the number of cmol glucose at timepont 10.42…

A: When one unit is converted into other units, it can be multiplied or divided by the conversion…

Q: What two procedures should you routinely carry out to verify the purity of your working stock?

A: The 2 procedures are shown below.

Q: Why is it difficult to determine an exact number for P/O ratios?

A: P/O ratio refers to the Phosphate/Oxygen ratio. P/O ratio signifies the number of ATP produced for…

Q: 950 mL of 1X CuSO₄ * 5H₂O solution from 25X CuSO₄ * 5H₂O solution

A: Given Values: Stock solution = 25 X CuSO4 . 5H2O Final Solution = 1 X CuSO4 . 5H2O Volume = 950 mL

Q: Using the table above, make the following unit conversions. Determine th point the appropriate…

A: 1. 25/1000 = 0.025  2. 3*1000000= 3000000 3. 150/10 = 15  4. 5000/1000 = 5  5. 0.075 kl

Q: The veterinarian orders 1 L of LRS to contain 5% Dextrose.  If you have 60% Dextrose, how many cc's…

A: Ringer’s lactate solution/RLS is a clinical solution that is used to replenish the lost electrolytes…

Q: When can the H-H equation be used clinically/

A: The pH of a solution is defined as negative logarithm of the concentration of hydrogen ions in a…