The liquid substances mercury (density – 13.6 g/cm³), water (density = 1.00 g/cm) and cyclohexane (density = 0.778 g/cm³) do not mix, but stay separate as distinct layers. 1.5.1 Sketch how the liquids would position themselves in a test tube. 1.5.2 Propose a way of separating this mixture into its components.
Q: Janet has a 2 month old baby suffering from a bacterial infection. The baby’s weight is measured as…
A: First of all convert the weight of baby in kilograms by using the following unit conversion relation…
Q: Compare picture I and II and choose: A = If the indicated property is greater in picture I than in…
A: Pka Is defined as negative logarithm of Ka. Pka value basically tell about acidity .Less the Pka…
Q: The combustion of ammonia in the presence of excess oxygen yields NO2 and H2O: → 4 NO2 (g) + 6 H2O…
A:
Q: Ordered: Cipro 0.75 gram p.o. q 12h. Available: 500 mg per scored tablets. How many tablets for…
A: Q.1)=> GIVEN:- Ordered:-cipro 0.75 gram p.o. Means we have to give 0.75 gram of in one dose via…
Q: A Moving to the next question prevents changes to this answer. Question 1 The combustion of ammonia…
A: 4NH3(g) + 7O2(g) .....> 4NO2(g) + 6H2O(g) Molar mass of ammonia = Molar mass of (N + 3(H)) =…
Q: A ALEKS - Esther Octave - Learn x M Please join Zoom meeting in pr X Post Atteñdee i…
A:
Q: How many Calories (nutritional Calories) does 16.4670 pounds of fat have? Show dimensional analysis,…
A:
Q: What is the correct answer to the following calculation? Select all answers that apply. Sig figs…
A: During division of two values the result must contain the number of significant figure equal to the…
Q: If 416 mL of olive oil are used to prepare a liter of olive oil emulsion, how many grams of the oil…
A: Specific gravity :- The ratio of density of substance to density of water is defined as specific…
Q: In preparing an infusion of the drug cetuximab, a pharmacist adds 15 mL of bacteriostatic water for…
A: Drug Trastuzumab 350mg. Here pharmacist adds 15 ml bacteriostatic water into it and resulting…
Q: ubtract 3.58 x 10^-2 from 1.41 x 10^11 and report answer in g.
A: so the answer will be 140.99*109 g which can be considered as 1.41*1011 g
Q: 5 of 24 Review Constants Periodic Table Density is an intensive physical property that relates the…
A: Part A: The density of gasoline =0.737 g/mL The volume of the tank= 12.5 gal 1 gal = 3.78 L The…
Q: Which of the following correlation coefficients indicates the strongest relationship between…
A: The value of correlation coefficients ranges from -1 to +1 . the strongest relationship between the…
Q: Which substance should go at the bottom of the fraction ration and which should go on the top ?…
A: Given The number of moles of H2 is 0.37 mol.
Q: For 100 firms on NYSE, we know: X=sector of activity (finance. tourism, statistics) and Y=return on…
A: ANSWER : Option (d) No correlation is correct.
Q: Rafael tutors chemistry, For each hour that he tutors, he earns 40 dollars. His earnings, E (in…
A:
Q: A car engine burns 1.0 L of diesel and emits 2620 g of carbon dioxide gas. There are approximately…
A:
Q: NSCI- Chemistry Answer only 10-12
A: Units of measurement are necessary to measure the quantities. There are instances when the measuring…
Q: Part B What mass of ethyl alcohol is formed by the addition reaction of water and 475 g of ethylene?…
A: We have given that mass of ethylene = 475g Molar mass of ethylene = 28g/mole No . of mole of…
Q: Learn Significant Figures Calculator…
A: A chemist adds 465.0 mL of a 0.27 mol/L sodium carbonate (Na2CO3) solution to a reaction flask. The…
Q: Researc X 9 Exam I * Files E Researc x Researc X research x G eating h x * (6 Cups) x 9 Dashboa x G…
A: The answe of following question is given below.
Q: 1. Draw the chemical structures for each active ingredient (acetaminophen, caffeine, aspirin), the…
A:
Q: This is the Mass of two pieces of gum together Mass of unchewed gum - 9.1 g mass of chewed gum -…
A:
Q: Stearic acid (C18H 3,02) is a typical fatty acid, a molecule with a long hydrocarbon chain and an…
A:
Q: Mr. Auric Goldfinger, criminal mastermind, intends to smuggle several tons of gold across…
A: Given, Diameter of small gold D= 8 cm Radius of small gold balls, r = D2 =82= 4cm density of solid…
Q: your're in canada on vacation and drive into 30 km/hr speed zone. how fast is the speed limit in…
A: Given that, Speed = 30 km/hr We need to express this in m.p.h (miles per hr)
Q: 44.8 R Benzoin Tincture Peru Balsam Cold Cream Sig: cold sore ointment 18 ml 10 g 70 g If benzoin…
A:
Q: When using the LWQ method, a pharmacist needs to obtain 60 mg of a drug using a balance that has a…
A: The term mass is defined as the measure of the amount of matter that is present in the substance or…
Q: Calculate % difference between trials 1 and 2. Your value MUST be below 2% difference. Then…
A: The data given is,
Q: How do I solve number 11?
A: The density of the substance can be described as the mass of the substance per unit volume. The…
Q: Mr. Auric Goldfinger, criminal mastermind, intends to smuggle several tons of gold across…
A: Given, diameter = 8cm ,radius = 8/2=4 cm
Q: Gyuri performed an analysis of Simvastatin tablets. The following are the data she obtained: 39.5…
A: The reading data for various experiments are given as, => 39.5 mg, 41.2 mg, 40.7 mg, 38.9 mg,…
Q: 1-10. The table shows fuel efficiency for several automobiles CO2 emission (g CO2/km) Fuel…
A: (a)The number of miles in 1 km is 0.621371miles.
Q: f 55mg of CaC2O4 is placed in a 250mL pack of H2O nanopure at 25 celcius, how much (in mg) of CaC2O4…
A: Solubility is defined as the maximum amount of solute that can be dissolved in a solvent at…
Q: Given below is a diagram of separation of two components of a mixture in a chromatographic column.…
A: Given above is a diagram of separation of two components of a mixture in a chromatographic column.…
Q: 1/T(K) ln(p) 0.00341 -4.33 0.00295 -1.335 0.00267 0 Graph the following using excel
A: Given data are
Q: 1000 mg of granular salt is briefly stirred into a glass container of 1/4 liter volume filled with…
A: Mass of granular salt provided (M1) = 1000 mg The volume of water in glass (M2) = 1/4 liter = 0.25…
Q: An ice bag containing 280 g of ice at 0 ∘C∘C was used to treat sore muscles. When the bag was…
A: When an ice is melted and convert into liquid, some amount of energy is absorbed. And this…
Q: A student notices that her father (who is trying to lose weight) is drinking a lot of diet Pepsi…
A: Given that, FDA recommendation of aspartame = 50 mg/ per kg body weight per day. Weight of father =…
Q: 2. Goal: 2N2 + 502 --- 2N2O5 Given: a. H2 + 02 b. N205 + H2 H2O AH = - 285. 8 KJ --- 2HNO3 AH =…
A: Balance chemical equation: 2 N2 + 5 O2 → 2 N2O5 ∆Hrxn = 2×-348.2 - 2×-76.6 -2×-285.8…
Q: Stan Moneymaker needs 15 gallons of gasoline to top off his automobile’s gas tank. If he drives an…
A: Environment economics: It refers to that economics which takes the financial impact of the policies…
Q: A 76.00 pound flat of mercury $156.50. The density of margarie is 13.534g/cm3. Find the price of…
A: Given:The Cost of 76.00-pound flask of mercury = $156.50The density of mercury is = 13.534 g/cm3We…
Q: The percentage of an additive in gasoline was measured six times with the following results: 0.13;…
A: The expression for the confidence interval is shown below: Confidence interval =μ±t×σN where; μ =…
Q: At the end of the experiment, it was discovered that the thermometer had not been calibrated. When…
A: Enthalpy of reaction, in calorimetry, is calculated by the formula: ∆H = mass * specific heat…
Q: Analysis of product: Calculate the percent recovery based on the amount of tea originally used and…
A:
Q: A chemist working in a hospital clinical laboratory obtained the following values for uric acid in…
A: The given values are 4.63, 4.58, 4.82, 4.31, 4.67 and 4.60 mg To find: Mean value
Q: 1. A chemist working in a hospital clinical laboratory obtained the following values for uric acid…
A: Since you have posted multiple questions, the answer for first question is given below. Kindly…
Q: 3. What is the momentum of a 45.0-kg dog running south at 9 meters per second? A. 5.00 kg • m/s…
A: Given mass of Dog (m) = 45.0 kg velocity of dog (v) = 9 m/s south Formula : Linear momentum (p)…
Q: two groups were asked to prepare 250 ml sodium hydroxide (NaOH) stock solutions using 0.0625 g of…
A: The most accurate measurement is the one which provides the closest value to the existing value of…
Q: Temp °C Temp Kelvin Ka In(Ka) AG'=-RTIN(Ka) 22.1 295.25 0 o044521 -1.12 18950.34962 35 308 .1Sk -901…
A: The data given is,
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
- Calculate the Ka of X in chloroform. Answèr in 4 significant figures.The recommended daily dose of calcium for an 18-year-old male is 1200 mg. If 1.0 cup of whole milk contains 290 mg of calcium and milk is his only source of calcium source, how much milk should an 18-year-old male drink each day in mL? Suppose the child is lactose intolerant, do some research and explain what type of milk would be a good substitute for the child. Please give mg of calcium per cup of alternative milk value, and show calculations for how much of the alternative milk an 18-year-old male should drink each day in mL. (Hint: 1 cup = 236.588 mL) Show all work. Give numerical answers in 2 significant figures.1,3,5 what the correct answer?
- 6. One teaspoon of sertraline 20 mg/mL must be mixed into eight fluid ounces of water before consuming. Express the final concentration of sertraline when mixed with water as a ratio strength (w/v). Rounddenominator of ratio strength (w/v) to the nearest whole number.Given the following data forMass of test tube, beaker and cyclohexane = 100.17 gMass of test tube and beaker = 84.07 gFreezing point of cyclohexane = 6.59 oCMass of weighing paper + naphthalene =1.080 gMass of weighing paper = 0.928 gFreezing point solution = 5.11oCKf = 20.8oC/mDetermine the followinga. mass of cyclohexane in g (2 decimal places); _____b. mass of naphthalene in g (4 decimal places); _____c. freezing point depression (2 decimal places); _____d. molality of solution (3 significant figures); _____e. moles of naphthalene (3 significant figures); _____f. molar mass of naphthalene, experimentally (3 significant figures); _____g. % error if theoretical molar mass of naphthalene is 128.17 g/ mole, USE ABSOLUTE VALUE (3 significant figure); ____Which of the following values for R2 shows the strongest correlation between the X and Y values in a data set? 0.0184 0.0047 0.500 0.981 0.9678
- Benzoin Tincture 18 mL Peru Balsam 10 g Cold Cream 70 g Sig cold sore ointment If benzoin tincture has a specific gravity of 0.88, calculate its percentage strength (w/w) in the mixture.Janet has a 2 month old baby suffering from a bacterial infection. The baby’s weight is measured as 15.0 lbs and is prescribed Amoxicillin, which is reconstituted in a suspension at a concentration of 200.0 mg of Amoxicillin / 5.0 mL of suspension. She needs 30.0 mg of Amoxicillin per kg of body weight per day. How many total mg of Amoxicillin will she need per day? If she needs to take the medication twice a day, how many mL of the drug (suspension) should she be given in each dose?Which of the following correlation coefficients indicates the strongest relationship between variables?
- Gyuri performed an analysis of Simvastatin tablets. The following are the data she obtained: 39.5 mg, 41.2 mg, 40.7 mg, 38.9 mg, 42.1 mg, 41.7 mg, 38.7 mg Suppose the mg of Simvastatin stated in label is 40 mg, is there a significant difference between her results and the label claim?Does anyone know how to answer this question: Please helpWhat is the percentage change in x in going from x1 to x2 (%∆x)? a) 100(∆x1/x) b) 100(∆x2/x) c) 100(∆x/x1) d) 100(∆x/x2) e) none of the aboveAnalysis of product: Calculate the percent recovery based on the amount of tea originally used and a final mass of 0.20g of caffeine obtained. Compare this value against a literature search about the approximate caffeine content by percent in black tea. Given: the observed melting point of the product crystals is 230oC-235oC -10 tea bags (black tea, contains ~45mg caffeine/bag) -total mass is 21.10g of the loose black tea