Identify each as a solution (S) or not (N): ___ tungsten alloy          ___ dusty air                  ___ liquid honey             ___ lead metal

Q: 1. A student has prepared the following compounds in the lab. He measured the melting point of each…

A: Since you have asked multiple questions, we will answer only first question for you. In order to get…

Q: Part D A solution contains 75 grams sucrose and 90. grams of water. What is the mass percent of…

A: Two monosaccharide units namely glucose and fructose form a disaccharide sugar having formula…

Q: A sample of an unknown hydrated compound weighed 16.450 grams. After heating, it had a mass of…

A: We have to calculate the percentage of water by mass in the unknown hydrated compound that weighed…

Q: Is paper clip steel more dense or less than water

A: Is paper clip steel more dense or less than water.

Q: 1- What is the definition of volatile matter? 2-What is the mobile phase in an experiment? a)…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Calculate the mass of ½ gallon of commercial bleaching solution having a density of 1.05 g/ml. (1…

A: Mass of the substance  = Volume of the substance × Density

Q: 2. An example of a liquid in solid solution is a. water in air b. zinc in copPper C. mercury in…

A: An example of a liquid in solid solution has to be chosen.

Q: IXing salt and suga

A: There are two kinds of change we can see around  Physical change Chemical change Physical change…

Q: 31.A child weighing 22 Ibs comes into the clinic with an ear infection. The doctor prescribes the…

A: We would solve it using dimensional analysis method.

Q: A doctor's order is 0.125 g of ampicillin. The liquid suspension on hand contains 250 mg/5.0 mL. How…

A: Doctor ordered 0.125 g (or 125 mg) ampicillinSuspension is 250 mg/5.0 mlSo, per mililiter suspension…

Q: Organic liquids are usually less dense than water.  True  False

A:

Q: How would you prepare 500 mL of a 0.45% sodium chloride solution using 2.25 g sodium chloride…

A: Solution: Since, in the problem statement, mass of solute and volume of solution is mentioned, so we…

Q: Which flask is the best choice for precisely containing 10 mL of a certain liquid?

A: Graduated cylinders are the best choice for containing certain volume of a liquid . Graduated…

Q: A test tube is prepare using a concentrated stock solution with a concentration of 4.9 mg/mL. The…

A: Concentration of the stock solution = 4.9 mg/mL Thus 1 ml of stock solution contains 4.9 mg of…

Q: A chemist mixes 24.3 g of water with 41.0 g of acetic acid and 9.15 g of 2-methylpyrazine. Calculate…

A: To define a solution precisely, we need to state it's concentration that how much solute is…

Q: Cleaning PDB from the test tube after the experiment could be a long and arduous process. Describe…

A:

Q: 17. A stat chemistry test is requested. Which of the following tubes is recommended to use? O A.…

A:

Q: A chemist mixes 69. g of diethyl ether with 43. g of heptane and 49. g of methanol. Calculate the…

A:

Q: # 2 please

A: Osmosis is the process of movement of solvent molecules from the less concentrated solution to the…

Q: 0. mL volumetric flask and dilutes to the mark v ence point. Round your answer to 3 significant d

A: moles of citric acid = ( mass / molar mass of citric acid )  moles of Citric acid = ( 0.133g /…

Q: 35. A doctor’s order 0.159g off an antibiotic. This liquid suspension on hand contains 231mg/4.7mL.…

A: The mass of antibiotic order by the doctor is = 0.159 g The concentration of the liquid suspension…

Q: Which piece of lab equipment is used to obtain a small, accurate volume from a stock solution for a…

A: The amount of solute dissolved in the solution is known as the concentration of the solution. In the…

Q: An aqueous HNO3 solution contains 1.623 kg HNO3 / kg H20 and has a specific gravity of 1.304 at 20…

A: Given: Concentration of aqueous solution = 1.623 Kg HNO3 / Kg H2O. And density of solution = 1.304…

Q: he sink–float method is often used to identify the type of glass material found at crime scenes by…

A: We have to identify different types of glasses.

Q: Which of the following is best characterized as a heterogeneous mixture?  Group of answer choices…

A: Heterogeneous mixture.

Q: What volume of drug is in 25 cc of an 8% solution? Round your final answer to 2 decimal places.  mL

A: We have total solution as 25cc, solution is 8% , we have to calculate the volume of drug in given…

Q: A liquid boils at 100°C. Which other property of a liquid proves that it is pure ter? * a. It…

A: Kinetic energy can be defined as the energy that 8s possessed by particles due to their motion.

Q: Cosmetics and paints can be manufactured by method called formulation industry 1. Select one O True…

A: 1) Yes, Cosmetics and paints are manufactured by formulation. Hence the given statement is true.

Q: A buret contains an unknown solu Initially the buret was filled with the solution so that it read…

A: Initial burette reading = 12.46 mL (given)Final burette reading = 21.7 mL (from the diagram)So,…

Q: Which of the serum and plasma is the best specimen for most of clinical laboratory tests? Expound…

A:

Q: depicts

A: According to the question, we need to determine which image depicts a homogenous mixture.  We know…

Q: 120- 90 60 30 Time (minutes) 90 What is the melting point of the following substances? Temperature…

A: The given plot is a phase transition curve of any sunstance which involve all the tree phases i.e,…

Q: How many milliliters of H2SO4, 94.0% w/w, with a specific gravity of 1.831, are required to prepare…

A:

Q: Please help me answer thia question, thank you! A chemist dissolved 7 grams of a substance in…

A: The given data contains, mass of solute = 7 g. mass of solution = 15 g. density of solution = 1.50…

Q: A blood analysis indicates that there are 33 ng of testosterone in 75 ml of blood. How many grams of…

A: In the question given that , 33 ng of testosterone present in 75 mL of blood and also , 1 g = 109…

Q: Part 2 Pour the six liquids (from part 1) into the same graduated cylinder (to the left). The…

A: Concept based on the density of different liquids.

Q: . What solution is NOT measured by Baumé light? a. Glycerin b. Isopropyl alcohol c. Gasoline d.…

A: 4. As we know the Baume light can measure only that solution which are heavier than water or lighter…

Q: Preparations of Solution by Chemical Reaction are classified as extractives. a)true b)false

A: Given: Preparations of solution by chemical reactions are classified as extractives.

Q: WHAT WOULD IN Α ΕXPLAI Ν DISTILLATION IF A STUDENT DID NOT HAVE COLD WATER RUNNING THROUGH THE…

A: Simple distillation is used to separate a mixture of two liquids, whose boiling point difference is…

Q: A patient's blood test shows that her hemoglobin concentration is 17.4 g/dL. How many milligrams of…

A:

Q: Convert 270 miles per second to centimeters per day. Show solution

A: Given : Speed in miles per second = 270 mil/s The conversion relationships that will be used are 1)…

Q: 13. The following substance(s) does(do) not dissolve in water. A. cooking oil B. sugar C. salt D.…

A: Oil cannot dissolve in water because oil molecules repel water molecules. Because water is…

Q: what are the evidence that you made solid nanoparticles, make a summary.

A: GIven: The evidence that you made solid nanoparticles.

Q: During a laboratory experiment, a student mixed two homogeneous aqueous solutions.  After mixing a…

A: Since the solution is having a precipitate in it. Hence we want to separate the solid from liquid.

Q: (Q66) At what temperature ( glycol (C2H6O2) that has beer point of water is 100.00°C. ( decimal…

A: Mass of ethylene glycol = 78.1 g  Mass of water = 673 g  Boiling point of pure water , Tb° = 100.0°C…

Q: The following questions refer to figures with circles and ovals. The clear circles represent water…

A: Observing the given Fig.1 clearly shows that compartment A contains both sugar and water molecules,…

Q: Stock strength of a drug is 50mg/2ml a client weight is administered 25mg/ kg what volume of drug…

A: Here is your solution

Q: Why is the zinc powder weighed roughly while CuSO4 solution is pipetted?

A: A hydrate is a substance that contains water or its constituent elements. Hydrate are any compound…

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.