Lake Greenwood has a shoreline of 341 km.  If you walk 3.46 miles each day, how many days would it take you to walk the entire shoreline of Lake Greenwood?

Q: A medical doctor gives the order to administer dopamine at a rate of 3.0 mcg/kg⋅min (mcg is the…

A:

Q: A doctor prescribes 2.5 g2.5 g of a drug, daily, for a patient. The pharmacist has only 500500 mg…

A: A doctor prescribes 2.5 g of a drug, daily, for a patient. The pharmacist has only 500 mg tablets…

Q: If the specific heat of methanol is 2.51 J/K-g, how many joules are necessary to raise the…

A: Given, mass of methanol = 94 g C= 2.51 J/K g Tf = 79°C = 273+79 = 352 K Ti = 26°C = 273 + 26 = 299 K…

Q: A cyclist travels at a rate of (2.30x10^1) miles per hour. At this speed, how many minutes would it…

A: Speed of cyclist = 2.30 x 10 = 23 mi/hour Distance to be covered = 2.25 x 102 = 225 km Time to…

Q: Osmium has a density of 22.6 g/cm^3. What volume (in cm^3) would be occupied by a 23.7 gram sample…

A: density(d)=M/V  Units gr/cm3 M=mass V=volume

Q: In the opening scene of the movie Raiders of the Lost Ark, Indiana Jones tries to remove a gold idol…

A: A) Given : mass of sand = mass of idol And volume of idol = 1.5 L Since mass = density X volume…

Q: The average person's step covers 2.5 feet. Some health experts recommend getting 10,000 steps a day.…

A: First we need to calculate the distance covered in feet in 10,000 steps using the average step…

Q: The density of methanol at 20.0 Celsius is 0.791 g/mL. What is the mass, in grams, of a 280. mL…

A: Given : density of methanol = 0.791 g/mL And volume of methanol = 280 mL

Q: A 330 mg piece of gold (density = 19.3 gcm3) is hammered into a sheet of gold leaf that has a length…

A: Please see the attached image for the solution.  If there are queries or if the image is not…

Q: What is the volume of a 275.27 g chunk of iron (Fe)? The density of iron is 7.874 g/cm3.

A: Ans given as follows

Q: You are given a bottle that contains 4.39 cm^3 of a metallic solid. The total mass of the bottle and…

A: The density of a solid can be defined as mass of solid per unit volume of solid. The symbol used for…

Q: An Amazon Prime delivery truck carrying COVID-19 vaccines from the Pfizer distribution center in…

A: Given : Distance Kalamazoo to York college = 835.4 miles Distance from Kalamazoo to Columbus = 236.7…

Q: In calibrating a 50 mL buret, a student found that 50 mL of water measured from the buret at 23…

A: Here we need to calculate the actual volume of water. The data required :Actually 1 gm water…

Q: Your calculator gives you the number 1761.2868 as the volume (in cm^ 3) of a box 2.0 ft by 6.5 cm by…

A: When rounding off the result of a multiplication, the number of significant figures in the final…

Q: An electric current of 284.0 mA transports 680. µC of charge. Calculate the time this took. Be sure…

A: The current flow in unit time is known as current. The calculation of the current can be done by…

Q: The distance from the sun to Earth is 1.50 x 108 km. The speed of light is 3.00 x108 m/s. How many…

A: Given, Speed of light - 3.00 × 108 m/s. Distance between sun and the earth - 1.50 × 108 km = 1.5 ×…

Q: One of the fastest pitches ever thrown in major league baseball was by Aroldis Chapman and had a…

A:

Q: You add 5.8 g iron to 21.90 mL of water and observe that the volume of iron and water together is…

A: Mass of iron, m = 5.8 g  Initial volume of water, V1 = 21.90 mL  Final volume of water and iron…

Q: You drive in canada where the distance were marked in kilometers. The sign says you are 80km from…

A: The distance of Ottawa from the sign board is 80 km. You are travelling with a speed of 75 mi/hr. We…

Q: The temperature outside one day is 90.3 ∘F. What is this temperature in Kelvin?

A:

Q: The volume of water in large scale reservoirs is often measured in units of an acre-foot, which is…

A: 1 acre-foot = 43,560 ft³ 1 US liquid gallon = 231 cubic inches 1 US liquid gallon = 3.785 liters 1…

Q: Digitalis, a drug used to control atrial fibrillation in patients is to be given as 20.0 mg/kg body…

A: Given: Body weight = 160.0 pound Dose for patient: 20.0 mg/kg body weight 2.205 pounds = 1.00 kg

Q: A 1.0-inch segment of thread weighs 2.9 mg. What would be the mass, in g, of a full spool of thread…

A:

Q: Convert (3.706x10^9) feet to zulbars (Zb).  Some conversions: 5280 feet = 1 mile; 1 furlong = 10…

A:

Q: the density of mercury, the only metal to exist as a liquid at room temperature, is 13.6 g/cm^3.…

A: The density of mercury is given as 13.6 g/cm3 and it is required to convert this in pounds per cubic…

Q: Given that the air in a building has a density of 1.184 × 10-3 g/cm3, how much does the air weigh…

A: room is rectangular in shape  width = 30.0 feet and 7.0 inches = 30.584 feet  length =41.0 feet…

Q: what mass (in g) of solid lead would displace exactly 234.6 liters of water? The density of the lead…

A: Given : density of lead = 11.4 g/cm3                                                 Volume of water…

Q: You are trying to determine the density of a piece of metal. You use a balance and find that the…

A:

Q: if a 2.50 g block of metal with a density of 6.72 g per cm^3 is dropped into a graduated cylinder…

A: Density = MassVolume So, volume = massdensity

Q: The men's world record (as of 2007) for swimming 1500 m in a long course pool is 14 min 34.56 s. At…

A: For swimming 1500 m , Time required = 14 min 34.56 sec   We have to find the time required to swim…

Q: You walk 3.67 miles. Your pace is 4 miles per hour. Your stride is 2.6 feet. How many strides will…

A: Dimensional analysis is used to convert a physical quantity given in one type of unit to some other…

Q: the wheels of a bicycle are 725mm in diameter. How many revolutions would these wheels make during…

A: The objective of this question is to find out how many revolutions the wheels of a bicycle would…

Q: The mass of a piece of metal at 172.3 K was found to be 27.0 grams.  What is the density of the…

A: Given that,Mass of piece of metal = 27.0 gVolume = 5.8mLNow you calculate the density in mg/L

Q: A stack of paper has a volume of 187 cube inches Now all the sheets are laid out on the floor,…

A: Given: Volume of a stack of paper = 187 cubic inches Area covered by paper       = 46,750 square…

Q: Chlorine is used to disinfect swimming pools. The accepted concentration for this purpose is 1 ppm…

A: The values are given as follows:

Q: It has been estimated that there is 4.00 × 10-4 mg of gold per liter of seawater. At price of…

A: This question can be solved by using basic conversion factors as used in the solution given below. 1…

Q: The egg whites from four "large" eggs occupy a volume of 112mL. The mass of the egg whites from…

A: The total mass and total volume occupied by the egg whites from the four large eggs are given.

Q: The men's world record for running a mile outdoors (as of 1999) is 3 min 43.13 s.  At this rate, how…

A: Meter and miles are some common units of distance. Similarly, hours and seconds are units of time.…

Q: a 0.732kg sample of gold is added to 100.0mL of water. the density of gold is 19.32g/mL. what is the…

A:

Q: The men's world record for swimming 1500.0 m in a long course pool (as of 2007) is 14 min 34.56 s.…

A: The time recorded for swimming 1500.0m in a long course pool is 14min 34.56s.The time is converted…

Q: A car traveling on interstate 90 at 65 miles per hour. If it is approximately 6.76× 10^2 km from…

A:

Q: It has been estimated that there is 4.00 × 10-4 mg of gold per liter of seawater. At price of…

A: the volume of ocean is given as 7.53  km3  = 7.53 X 1 × 1015 cm3 = 7.53 X 1015 cm3  since 1 cm3 = 1…

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.