Which two atoms are elements in the same group in the periodic table? O Atom 1 and Atom 2 O Atom 1 and Atom 4 O Atom 2 and Atom 3 O Atom 3 and Atom 4

Q: What volume of concentrated HCI (12 M) solution needs to be diluted to produce 275 mL of 2.1 M HCI…

A: Since we know that  M1V1 = M2V2 Where ,  M1 = initial concentration  V1= initial volume  M2= final…

Q: Main usage of stearic acid

A: Stearic acid is long chain fatty acid named as  octadecanoic acid .

Q: This drug in the picture can treat: Epilepsy Fever Cancer arrhythmia HO N

A: This is the structure of quinine

Q: A solution is contaminated with traces of cadmium, manganese, and cobalt. Which option would be the…

A: One of the removal of heavy metals is by using the solubility factor of these metals. In a saturated…

Q: Question 18

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Q: 6. The addition reaction of unsymmetrical molecules, e.g. HCI, H20, to unsymmetrical alkene…

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Q: If the caffeine concentration in a particular brand of soda is 2.59 mg/oz, drinking how many cans of…

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Q: A solution is used as a hemostatic and antiseptic agent? A) Hydrogen peroxide B) Sodium…

A: The solution that acts as homeostatic and antiseptic agent is given below

Q: The cost of a bottle of Extra Strength Tylenol is $9.99 for 100 tablets each containing 500 mg of…

A: Answer: In this problem price of 1 bottle of acetaminophen, which contains 100 tablets each…

Q: 1. For water available for domestic use, calcium carbonate concentrations cannot exceed 500mg/L. a)…

A: Parts per million  is calculated as :  Molarity = Molar Concentration =

Q: An injectable preparation comes packaged as a 4 g vial and states that you should add 35 mL to…

A: concentration in mg/mL = Mass of drug/Volume of solution

Q: Determine the number of atoms in 39.0 grams of sodium, Na. (The mass of one mole of sodium is 22.99…

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: 18. A 1.25 mol/L solution of sodium hydroxide, NaOH(aq), was used to titrate a 10.0 mL sample of…

A: Since you have posted multiple questions, we will provide the solution only to the first question…

Q: 4. How to prepare a 1:10 dilution of serum to saline?

A: By simple dilution we will prepare 1:10 dilution of serum to saline  Process - simple dilution  1:10…

Q: 50 g of NaCl has been dissolved in water to come up with a 120 mL of solution. The saline solution…

A: A solution is prepared using 50 grams of NaCl we are given the volume of solution also the density…

Q: 10. Normal Saline: Purified Water:

A: Normal Saline is what we call isotonic meaning it has the same concentration of sodium and other…

Q: Lab sythesis of aspirin

A: The laboratory synthesis of aspirin (acetylsalicylic acid) is a classic example of an organic…

Q: e) List of 4(Four) Sources of Contaminations

A: Contamination is the presence of impurity or some other undesirable impurity that spoil any…

Q: How many milligrams of sodium chloride should be used in compounding the prescription?…

A: 0.23 x 0.3 g = 0.069 g of sodium chloride represented by the Ephedrine sulfate. Calculate the amount…

Q: What volume of solution (100ug/ml) will be administered to a rat weighing 150g, if the required…

A: Answer: Volume of the solution that will be administered is 150 mL. Given  Density of the…

Q: 2. How would you male 150 ml of a 1/5 dilution? 3. How much solute (serum would you need to make 40m…

A: 1) Volume of serum = 4 ml Volume of saline = 15 ml Serum to saline ratio = Volume of serum/volume of…

Q: Water pollution has many causes that include all of the following except a. oil and gas running off…

A: Water pollution means the presence of toxic chemicals in the water bodies like river. More is the…

Q: Blood bank in the body is called ___________ ? A! Liver B! Kidney C! Heart D! Spleen Choose the…

A: Blood bank for the body means the organ which supplies blood in case of emergency.

Q: If the caffeine concentration in a particular brand of soda is 2.21 mg/oz, drinking how many cans of…

A: Mass can be expressed in different units such as grams (g) , kilograms (kg) , milligrams (mg)  Some…

Q: Acid reflux occurs when acid escapes from the __________.   lungs   liver   muscles   small…

A: Acid reflux occurs when acid escapes from the stomach.    This occurs when stomach acid and other…

Q: 35. The starting point (X) on the graph represents a person who had been drinking water ad libitum.…

A: A question based on properties of liquids. A graph of variation of Osmomolality against urine flow…

Q: 1.) MeLi 2.) H*, H20 b.) OH OH c)

A: Organolithium compounds reacts with aldehydes and ketones to give corresponding alkyl derivatives of…

Q: A sample of concentrated nitric acid has a density of 1.41 g/mL and contains 70.0% HNO3 by mass.…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

Q: Soap is produced by a process called _______.   a hydrolysis reaction   b esterification   c…

A: Soap is produced by a process called Saponification.

Q: How do you convert experimental solubility into grams per 100ml of water and kg per metric ton of…

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Q: A cholesterol screening finds that a person’s blood serum has 42 mg/dL HDL and 143 mg/dL LDL. Is…

A: LDL and HDL level in blood determine good or bad for helth

Q: 60+ 50 True False 40- kcal/mol 30 20 10 0 course of rx The reaction will proceed spontaneously

A: The given graph is We to check the spontaneity of the reaction.

Q: Part A What is the concentration of copper in the sample? Express your answer to two significant…

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Q: If the caffeine concentration in a particular brand of soda is 3.37 mg/oz, drinking how many cans of…

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Q: If a 65-year-old female who weighs 110 lb and has a serum creatinine level of 1.3 mg/dL, what is her…

A: We have to calculate the CrCl for a 65 year old female whose weight is 110 lb and her serum…

Q: please answer - Why is it cold water can quench thirst easily compared to warm water? - How…

A: When we drink cold water it gives the physical sensation of drinking and tells our brains that we're…

Q: Injecting an arterial fluid which is hypertonic to the moisture level of the body will ___.…

A: Hypertonic solution is one whose concentration of solute is more compared to another solution. so it…

Q: If a patient is getting 2.5L NaCL 0.9% over 18 hours, what is the rate per hour in mL?

A: We are given,  2.5 L NaCl 0.9% over 18 hours. We need to calculate this rate as mL/hour.

Q: Are all sea food good source of omega 3 fatty acid? Do cooking method effect on omega 3 fatty acid?

A: Omega-3 fatty acids can be defined as the class of polyunsaturated chain in which the double bond is…

Q: . Describe how water can be made a good conductor of electric current. A) use pure water B) heat…

A: Given Condition A) use pure water B) heat the water C) add salt D) chill the water E) vaporize the…

Q: can you lose weight by drinking water

A: In this question it is asked can we lose weight by drinking water, now we see what happened in my…

Q: normal range of serum glucose is 90-110 mg/dl, express this in mmol/L

A: The normal range of serum glucose is (4.99 - 6.11) mmol/L.

Q: 4. Identify any outliers on your graph that do not follow the pattern of the other data.

A: For drawing a graph firstly we will mark all the points we have. Then we will join the points…

Q: What is the [H30*] concentration for a solution where [OH] = 2.3 x 103 M? Kw = 1.0 x 1014 [H3O*][OH]…

A: Given  [ OH- ]     =  2.3 × 10-3 M  Kw              = 1 × 10-14  [ H3O+ ]  =  ?

Q: What are the chemical properties of Yellow Bell (Tecoma Stans) which helps to prevent the pests?…

A: Yello Bell(Tecoma Stans) is a species found in a flowering perennial shrub in the trumpet vine…