A dialysis unit requires 78.5 L of water. What is the estimated digit? 7 8 5 None are estimated. It is an exact number.

Q: You and some friends plan a road trip across country. The total distance is 2105 miles. Your car…

A: Total distance is = 2105 miles The car travel in a gallon is = 33 miles/gallon The cost of fuel is =…

Q: 10) What is the density of solid with a mass of 27.8 g and volume of 8.41 mL? 11) How many grams of…

A: Density = mass/volume  Mass = density × volume  Volume = mass/density

Q: Convert 0.558 L/min to units of microliters per hour. Show the unit analysis by dragging the…

A: While converting from one unit to another,  a  conversion factor is multiplied.

Q: Q7 You have a stock solution that contains 78 mM calcium carbonate. You need to make 98 mL of a…

A: Given that : The concentration of calcium carbonate in stock solution = 78 mM The final volume of…

Q: If your blood has a specific gravity of 1.062, how many grams of blood would you lose if you made a…

A: The volume of donated blood is = 1.321 pt 1 pt = 437 mL The density of the blood is = 1.062 g/mL The…

Q: Pheromones are compounds secreted by females of many insect species to attract mates. Typically, 1.0…

A:

Q: How many milliliters of olive oil have the same mass as 1.70 L of gasoline?

A: Answer: This question is based on the relation between mass, volume and density which is shown…

Q: Methylprednisolone is a steroid that prevents the release of substances in the body that cause…

A:

Q: 132. The following statements are all true. (a) Jessica's house is 5 km from the grocery store. (b)…

A: Given: (a) Jessica’s house is 5 km from the grocery store. (b)Jessica’s house is 4.73 km from the…

Q: A pediatric patient needs to receive heparin following surgery. The physician's orders 28 heparin…

A: Given, requirement of heparin = 28 heparin units kg × hr            concentration of heparin…

Q: 9. Lithium is the least dense metal known (density: 0.53 g/cm^3). What is the volume occupied by…

A: Density :- Density of a substance is its amount of mass perunit volume . So , density is the…

Q: mol stock solution of zinc nitrate in L A chemist makes 580. mL of zinc nitrate (Zn(NO,).) working…

A: The method through which the specified stock solution's strength gets lowered is termed as…

Q: Complete the following multiplication and division problems in scientific notation.a. (4.8 × 1 0 5…

A: In multiplication, if the bases are same then the exponent will be added. In division, if the bases…

Q: An empty container with a volume of 9.850 × 102cm3is weighed and found to have a mass of 124.6 g.…

A: Density is given by the ratio of mass of the substance to that of the volume of the substance.

Q: Fabiola, who lives in Mexico City, fills her car with gas, paying357 pesos for 40.0 L. What is her…

A: Given, cost of 40.0 L of fuel = 357 pesos Now, let us convert the price of fuel in pesos to dollars…

Q: mol stock solution of A chemist makes 0.670 L of mercury(1) chloride (Hg, Cl,) working solution by…

A: FOR DILUTION M1V1= M2V2 M1 = Initial molarity of solution, V1 = Initial volume of solution, M2=…

Q: Aqueous sulfuric acid (H₂SO4) will react with solid sodium hydroxide (NaOH) to produce aqueous…

A:

Q: eine sulfate solution for pain PO q4h as needed. The availability is 30 mg per 1 mL. i.) If the…

A: Given, The codeine sulphate is available as 30 mg per 1 mL. Patient is prescribed to receive 34g of…

Q: total mass: kg Will the truck filled to capacity be too heavy to cross the bridge? (1 kg = 2.20 lbs)…

A:

Q: A soft drink costs 75 cents for a 12-oz can. A two-liter bottle costs $1.25. How much more expensive…

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Q: 227 mL of a 3.2 M solution of KBr is diluted to 731 mL.  What is the new concentration of the…

A: The process of dilution is defined as the process in which a solution with a lower concentration is…

Q: Chlorate hydrate a sedative and sleep-inducing drug, is available as a solution labeled…

A: To express different physical quantities, there are various units used such as mass, volume, time…

Q: A chemist makes 380. mL of calcium sulfate (CaSo working solution by adding distilled water to 240.…

A: The process of dilution is defined as the process in which a solution with a lower concentration is…

Q: A pharmacists measures out three amount of 200 mL and two amount of 150 mL from a stock bottle of 2…

A: Given : Total volume of stock solution = 2 L.                          Total mass of a drug = 5…

Q: ln[A]t15.4=−(4.78x10^−4M⋅d−1)(1.1x10^4d) I forgot how to solve for [A}t.

A:

Q: A patient needed 575 mL of blood during surgery. Show how to convert this volume into pints of…

A: Pint and milliliter: Pint and milliliter is a unit of volume. The relation between pint and liter is…

Q: A slow jogger runs a mile in 11 minutes. Calculate the speed in:

A: • The values provided in the question are:-     i) Distance travelled by a jogger, d = 1 mi =…

Q: Question 8- (Please show all of your work so I can understand going forward, also the equation is…

A: Given: The relation between degree Vacius and degree Arwenheit is as follows,…

Q: A slow jogger runs a mile in 11 minutes. Calculate the speed in

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: A soccer player weighed 70.7 kg before a match, drank 1.8 L of liquid (density 1.05 g/mL) during the…

A: Given, The weight of the soccer player before the match = 70.7kg The volume of the liquid = 1.8L the…

Q: Charlotte is driving at 66.4mi/h and receives a text message. She looks at her phone and takes her…

A: Given,Speed = 66.4 mi/h Time = 4.30 secsConversion of seconds to hours:

Q: A hybrid electric vehicle has an EPA gas mileage rating of 57 mi / gal in the city. How many…

A: The solution is given below -

Q: 1. MATCHING OF WORDS OR PHRASES 1. Alloys a) example of a derived unit 2. 2H b) allotropes of oxygen…

A: Blanks are filled using the right hand portion of the table.

Q: 9, 8, 6. 10cm How long is the box shown in the diagram above? Number only 4)

A: In an experiment, one of key aspects that determines the results of he experiment is recording and…

Q: 2. Lead metal can be extracted from a mineral called galena, which contains 86.6% lead by mass. A…

A:

Q: A chemistry student needs 35.0 g of thiophene for an experiment. She has available 1.0 kg of a 22.5%…

A: Given: student need = 35g of thiophene available mass of solution= 1 Kg = 1000g w/w % = 22.5 %…

Q: I am Haing ALOT of trouble understanding how to plug in the number to find the density of the…

A: b.The number of drops of blood present in 150lb adult is calculated as follows:

Q: What is the volume (in cm3) of a balloon inflated to a circumference of 10.0 inches?  Volume of a…

A:

Q: A sample of gas was determined to have a mass of 20.41g and a density of 0.810g/mL. What is the…

A: Density is defined  as mass of gas per unit volume .

Q: )A piece of sodium metal is submerged in mineral oil for storage. The sodium displaces 10.7 cubic…

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

Q: which number is most precise and accurate among the following numbers? a/ 25, b/25.00, c/2.5 X10, d/…

A: To express any number we always use scientific notation to represent it. Like if we have to express…

Q: in a normal person, the level of glocuse is about 85mg/100ml of blood. If the average body contains…

A: Interpretation: Number of grams and number of pounds of glucose present in the blood has to be…

Q: What amperage is necessary to plate out 24.5 grams of aluminum onto an object in 12 hours and 35…

A: The quantitative relationship between the amount of electricity passed through a cell and the amount…

Q: A runner want to run 11.2 km. Her running pace is 6.7 mi/hr. How many minutes must she run?

A: Total distance she wants to run = 11.2km Speed of runner = 6.7 miles/hour  We have to find the time…

Q: 24. What is 0.0032 gallons in ml? 25. If you are going 55 mph, what is your speed in meters per…

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Q: -4.29x^2-2.48x+1.08=0. Solve for unknown

A: A quadratic equation whose roots are to be determined.

Q: How many meters in a kilometer? O 0.01 O 104 O 10,000 O 10 O 0.0001 O 0.1 O 103

A: The kilo is used to express 1000 unit of any object or measurement. For example one kilogram is…

Q: Part A Wine is 13% alcohol by volume. How many milliliters of alcohol are in a 0.700-L bottle of…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: A vineyard has 145 acres of Chardonnay grapes. A soil supplement requires 9.50g for every square…

A: Acre and square meter are some common units of area whereas grams, kilograms and milligrams are…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.