One person consumes 4 liter.of oxygen (CO2) per minute when breathing how Many grams would that be per hour?

Q: A Honda Accord gets 24 miles per gallon in the city and is estimated to emit 7 tons of CO2 per year.…

A: Given that 7 tons of CO2 emits from Honda Accord per year. 1 ton = 2000 pounds 1 tree absorb 30…

Q: A dessert contains 141.45 g of vanilla ice cream, 83 g of fudge sauce, and 39.1 g of nuts. What is…

A: Given,dessert has,141.45 g vanilla ice cream83 g of fudge39.1 g nutsSo,total mass of dessert =…

Q: What is the density of water in kg/m3?

A: Density :- It is defined as ratio of mass per unit volume. Density = mass / volume => kg/m3 or…

Q: 6.) What is the ideal body weight of an individual which is 5 feet tall? a. 170kg b. 162 kg c. 140kg…

A:

Q: What are 2 cups of chocolate chips converted into nanograms? 1 cup of chocolate chips = 170 g 1…

A:

Q: 1. What is the density of a solid if a sample occupying a volume of 16.53 mL wei 85.4 g? 2. Why does…

A: Given: The mass of the solid is 85.4 g. The volume occupied is 16.53 mL.

Q: A cheap reliable fertilizer, NH4NO3, adds nitrogen to the soil. If you add 48.5g of fertilizer to…

A: In order to find the amount of nitogen added to the soil we first write down the given data: Mass of…

Q: You are renting a car and you wish to travel a distance of 850. miles. If the car has a mileage of…

A: Given: Distance to be travelled = 850 miles Mileage of car = 10.1 km/L To calculate: The Gallons of…

Q: Each farm is 333.0 acres and for each acre on the farm 135.0 bushels of corn are produced. Each…

A: In this problem it is given that Each farm is 333.0 acres and for each acre on the farm 135.0…

Q: What is the cost to drive to Las Vegas, which is 883 km away, if the cost of gasoline is $1.15/L…

A: Given, total distance to be traveled by car= 883 km            cost of gasoline = $1.15/L…

Q: Differentiate between filtration and decantation. Which is more effective

A: We will differentiate between filtration and decantation.

Q: How many conversion factor(s) can be found in the following statement? " Americans combined drive…

A: Conversion factors are the mathematical relations between one unit of a physical quantity to another…

Q: Some iron wire weighing 5.6g is placed in a beaker and covered with 15.0g of dilute hydrochloric…

A: It is given that;Mass of iron wire in the beaker = 5.6 gMass of dilute hydrochloric acid in the…

Q: Change 50 degrees Fahrenheit to Celsius

A: Both Celsius and Fahrenheit are scale used for temperatures.

Q: Approximately 75mL of blood is pumped by a normal human heart at each beat. Assuming an average 72…

A:

Q: Liposuction is a technique for removing fat deposits from various areas of the body. How many…

A:

Q: A mouthwash is 21.6% ethanol by mass. If each botte contains 0.358 pt of mouthwash with density of…

A: The mass of ethanol in each bottle is calculated as,

Q: What are the examples of nanostructures?

A: A nanostructure is an object that has at least one dimension equal to or smaller than 100…

Q: A medication is available as 10 gr per fl oz. How many fl oz would you give to a patient who is to…

A: Given:        1 fl. oz. of medicine = 10 gr (gr = grains)  To find:          if 650mg of medicine is…

Q: 1. What pieces of apparatus or equipment are used for measuring: a. Temperature? b. Small amount of…

A: Answers of above questions given below.

Q: A cement mixer can produce 88.20 pounds of cement mix for 27 minutes. How many hours would it take…

A:

Q: Solid iron is about 8 times denser than liquid water. If you have a volume of 1000 cm 3 of water and…

A: Given that: The volume of water is 1000 cm3. The volume of iron is 1000 cm3. Iron is 8 times denser…

Q: How many low dose 81mg aspirin tablets can be made from 1.21 kg of aspirin?

A: Given : mass of aspirin = 1.21 kg  Since 1 Kg = 1000 g and 1 g = 1000 mg Hence 1 Kg = 1000 X 1000 =…

Q: Daniel Harris has always enjoyed eating tuna fish. Unfortunately, a study of the mercury content of…

A: According to EPA, the recommended Hg per kg of body weight should be at maximum of 0.1 μg per day…

Q: An irregularly shaped rock weighs 268.42 kg. It is placed in a cylinder that has 50.6 L of water.…

A: Given, Note: 1 Kg = 1000 g Mass of rock = 268.42 kg = 268.42 × 1000 g = 268420 grams Initially,…

Q: A child is prescribed a syrup produced by crushing ten carvedilol 25 mg tablets and mixing to a…

A: Given: The number of carvedilol tablets crushed = 10 The mass of each tablet = 25 mg The volume of…

Q: For the treatment of cystic fibrosis, it has been found thatinhaling a mist of saline solution can…

A:

Q: How many pounds of carbon dioxide (CO2) are generated annually due to driving a car based on the…

A:

Q: A gas company charges $1.30 for 15.0 ft³ of natural gas. What is the cost in $ per L?

A:

Q: how many tablets should the patient take?

A:

Q: A vial is filled with chloroform (d = 1.48 g/mL), mercury (d = 13.53 g/mL) and water (d = 1.00…

A: The substance with the high density will form the lower layer and the substance with the least…

Q: In a certain cement production, 100 kg of limestone containing 90% carbonates (Calcium and Magnesium…

A:

Q: According to the National Heart, Lung, and Blood Institute, LDL-cholesterol levels of less than 200…

A: LDL-cholesterol levels of less than 200 mg of LDL-cholesterol per deciliter of blood Means ; Per…

Q: A bottle of drinking water is labeled 24 fluid ounces (710 mL).” What is the mass in milligrams of…

A: Given: Bottle has 24 ounces of water = 710 mL of water. And volume of water = 0.69 fluid ounces.

Q: A balloon with an initial volume of 2.5 L at a temperature of 296 K is warmed to 396 K. Part A What…

A: Given data is as follows: The initial volume of balloon V1 = 2.5 L The initial temperature of…

Q: How many kg are in 34g?

A: Given,  The mass of a substance = 34 grams  Number of Kg in 34 g is:

Q: If a car gets 45.0 miles per gallon, and gas costs 2.95 per gallon, about how far can you get with…

A: Given that the cost of gas is $2.95 per gallon.  Mileage of car is given as 45.0 miles per gallon.

Q: A physician orders 3/4 gr of codeine every 3 hours. Codeine 15 mg tablets are available. How many…

A:

Q: your front lawn is 24.0 feet wide and 20.0 feet long, and each square foot of lawn accumulates 1150…

A:

Q: Under certain conditions, oxygen gas (O2) has a density of 0.00134 g/ml.  Find the volume, in…

A: Given : Density of O2 = 0.00134 g/mL And mass of O2 = 250.0 g

Q: The Deepwater Horizon oil spill released approx. 35000 barrels of crude oil per day into the Gulf of…

A: The Deepwater Horizon oil spill released approx. 35000 barrels of crude oil per day. An oil barrel…

Q: A sample of gaseous substance at 25 degrees Celsius at 0.862atm has a density of 2.26g/L. What is…

A:

Q: What is the standard 2C5H10(1) + 1502(g

A: Change of enthalpy during the formation of 1 mole of the substance from its constituent elements…

Q: 1) A student measures 7.45 cm³ of chloroform using a glass syringe. Given that the density of…

A: The moles of chloroform is calculated as,

Q: A pipe leaks water at a rate of 1.24 mL/s. What is the rate of the water leak in L/hr?

A: Given, rate of water leak = 1.24 mL/s We need to convert the unit of water leak from mL/s to L/hr.

Q: A low dose of aspirin is often recommended for patients who are at risk for coronary artery disease.…

A: In 5 years the number of days present is: (1) If one leap year is present:  (2) If two leap years…

Q: which is more dense: 1 kg sample of lead or1 kg sample of water and why is it more dense?

A: Introduction: We have to tell which is more dense.

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.