1. Sara tells Michael she is 160 centimeters tall, while Michael says he is 60 inches tall. If there are 2.54 centime ters in an inch, who is taller? 2. Michael tells Sara he weighs 104 pounds. Sara says she is 44 kilograms. If there are 2.2 pounds in a kilogram, who is heavier?

Q: A cylindrical rod formed from Aluminum is 16.85 cm in length and has a mass of 2.17 kg. The…

A: Given:  Length of cylindrical rod= 16.85 cm  Mass of rod= 2.17 kg = 2170 g  Density of aluminium=…

Q: The height of a horse is usually measured from the ground to the top of the shoulders. The units…

A: By using conversion factors we can change the height of zebra from hands to centimeters.

Q: 2.50 mL of mercury weighs 34.0 grams at 20°C. What is the density of mercury at 20°C?

A: Given mass of mercury = 34.0 g Given volume of mercury = 2.50 ml   The above values are given at…

Q: A general chemistry student found a chunk of metal in the basement of a friend's house.To figure out…

A: Mass of metal (M) = 111.2 grams When the metal is dropped into a measuring cup and found that it…

Q: 2. 25 red glass beads weighed 19.5 grams. How many milligrams (mg) is this? Show calculations. 3.…

A: Unit conversion factors: 1 gram = 1000 milligrams 1 centimetre = 10 millimetres 1 litre = 1000…

Q: Mercury had a density of 13.6g/ml. a. What is the mass of 50.mL? B. What is the volume of 50.0g of…

A:

Q: 2. A nurse measured the average heart beats of a patient and reported to the doctor in terms of time…

A: The time period of patient patient heart beats = 0.8 s  Number of heart beats formed in a minute = ?

Q: A certain liquid has a density of 2.67 g/cm 3. 30.5 mL of this liquid would have a mass of how many…

A: The relation between the mass of substance and space occupied by it is defined by the term density.…

Q: 9. A gold sheet weighs 2.49 g. If the density of gold is 19.31 g/cm3, and the length and width of…

A: The volume of the given gold sheet is; V=mgold sheetdgold=2.49 g19.31 g cm-3=0.129 cm3

Q: Peter is 5 ft, 11 in tall, and Paul is 176 cm tall. Who is taller?

A:

Q: What is the mass of water in a 150 mL 70% ethyl alcohol? Consider the density of water at 25 °C. a.)…

A: Since you have posted multiple questions, we will solve only first question for you. If you want any…

Q: A physician orders a drug to be administered to a patient weighing 36 lbs. How much does the patient…

A: Given, Weight of patient = 36 lbs   Required, Weight of patient in Kg

Q: Three fluids are in separate beakers. The first fluid has a density of 1.05 g/cm3, the second one’s…

A: Density of first fluid = 1.05 g/cm3 Density of second fluid = 0.94 g/cm3 Density of third fluid =…

Q: Use Figure 2.19 to answer the following questions.a. Which substance has the greatest density?b.…

A: Given figure : In above figure , density of material showing on vertical axis. And material name…

Q: A liquid sample was determined to have a density of 0.915 g/mL.  What is the mass of 85.5 mL of the…

A: The mass of 85.5 mL of the given liquid is calculated as shown below.

Q: A block of wood which weighs 64.02 g and has the following dimensions: length of 15.0 cm, width of…

A: Mass of Wood = 64.02 g Dimensions = length of 15.0 cm, width of 11.0 cm and thickness of 5.50 cm.

Q: The smallest bone in the human body, which is in the ear, has a mass of  0.0030 g. what is the mass…

A: Given, The smallest bone in the human body which is the ear, has a mass of 0.0030 g mass of bone in…

Q: 1. What is the mass of a liquid, in cg, if its volume is 5 L and its density is 8.7777 mg/L?

A:

Q: 1.  0.5/2.8=b/20

A: Q1) 0.5/2.8=b/20 b = (0.5 × 20)/2.8 b = 3.57

Q: A visitor from Europe knows their weight to be 75.2 kg. How much does the person weigh in pounds

A: Different units are used to express the volume and mass of substances such as grams, micrograms,…

Q: A glass cylinder contains four liquid layers: mercury (d = 13.6 g/mL), chloroform (d = 1.49 g/mL),…

A: Denser particles lie at the bottom and the lighter particles remain at the top of the container.…

Q: What is the density in g/cm3 of a sphere that has a radius of 5cm and a mass of 2g?

A: We have to calculate the density of the sphere.

Q: A 147-g piece of metal has a density of 7.00 g/mL. A 50-mL graduated cylinder contains 20.0 mL of…

A: Density=MassVolume This implies, Volume=MassDensity

Q: The densest known form of matter is the metal Osmium, with a density of 22.48g/cm3. A grapefruit…

A: NOTE: I'm assuming that the diameter of the Osmium sphere will be the same as that of the grapefruit…

Q: A graduated cylinder originally contained 17.2 mL of water. An object weighing 14.1 g was then…

A:

Q: A boy found a metal sample which weighed 374 g. The metal displaces 19.3 ML of water. Is his metal…

A: In order to find the whether the given metal is gold or not we first write down the given data:…

Q: 8.A) The density of a metal sphere is 25.0 g/L and has a mass of 1.55 mg. What is the radius of the…

A: The ratio of mass to the volume is known as density.

Q: A liquid has a volume of 10.95 mL and a mass of 75g. Calculate the density of the liquid. If 10.00…

A:

Q: What is the mass of a femur (leg bone) having a volume of118 cm3? The density of bone is 1.8 g/cm3.

A: The mass of a femur has to be determined,

Q: Corn oil has a density of 7.60 lb/gal. a. Calculate the density in g/cm3 b. Calculate the volume…

A: The question is based on the concept of physical chemistry. We have to calculate density, volume and…

Q: The density of osmium (the densest metal) is 22.57 g/cm3. If a 1.00-kg rectangular block of osmium…

A:

Q: A teacher weighs 234 lbs. What is this weight (mass) in mg?

A: We know that 1lbs=453592.37 So 234lbs=234×453592.37 106140614.58mg Or 10.61×107mg

Q: 2. A circle has a radius of 0.58 yd. What is the area in cm2 ? 3. What is the volume of a sphere, in…

A:

Q: 1. What is the mass in kilograms of and weight in Newtons (g = 9.65 m/s?) of %3D a. 400 lbm…

A: 1.   1 pound ( lbm ) = 0.454 Kilogram ( Kg )            Weight in newtons  =   m ×  g    m = mass in…

Q: 1.40 A small cube of aluminum measures 15.6 mm on a side and weighs 10.25 g. What is the density of…

A:

Q: please help with this 1) Sally Leadfoot was pulled over on her way from Syracuse to Ithaca by an…

A: The solutions are given below -

Q: A steel ball-bearing with a circumference of 32.5 mm weighs 4.20 g. What is the density of the steel…

A: Given, Circumference, C = 32.5 mmMass of the ball = 4.2 g To find, The density of steel.

Q: Mercury is a silver liquid with a density of 13.55 g/mL. If a bottle contains 8.0 mL of mercury.…

A: Mass of a sample can be calculated by multiplying its density by its volume.

Q: In a country fair a vendor sells a pound of strawberry for $ 3.50. What will be the price of 5.50 kg…

A: The question is based on the concept of general chemistry. We have to calculate price of given…

Q: A can of Diet Coke has a mass of 362.4 g and a volume of 380. mL. In which of the following liquids…

A: Since the diet coke will float on a liquid which will have density more than the density of diet…

Q: A student is trying to determine some information about a metal sphere. He weighs a piece of metal…

A: Density :-  It is defined as the ratio of mass of a substance to volume occupied by the substance…

Q: A mother calls you to ask about the proper dosage of cough medicine for her 2-year-old. The bottle…

A:

Q: The recommended pediatric dosage of Velosef is 15mg/kg/day. What is the daily dose, in mg, for a…

A: Given: Recommended dosage of Velosef = 15 mg/kg/day. Mass of the child = 53 lbs. The stock vial of…

Q: 1.____What is the mass of a femur (leg bone) having a volume of 118 cm3? The density of bone is 1.8…

A: Density :-  The ratio of mass of a substance to volume of the substance is defined as density…

Q: Find the density of an object (g/mL) which has volume of 120 cm^3 and a mass of 4 ounces

A:

Q: An infant is 2 feet and 2 inches tall. How tall is the infant in cm?

A: Given that, The height of infant =2 feet and 2 inches tall

Q: 3. A gold cylinder has a diameter of 9.2 mm and a length of 57.8 mm. The density of gold is 19.3…

A: A gold cylinder has diameter and lenth 9.2 nm and 19.3g/ cm3 respectively.  We have to calculate…

Q: a. An ice cube measures 4.40 cm on each edge and weighs 77.688 g. Calculate the density of ice.…

A: The mass per unit volume of a substance is known as the density of the substance. The density of a…

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.