A dose of aspirin of 5.0 mg per kilogram of body weight has been prescribed to reduce the fever of an infant weighing 8.5 pounds. The number of milligrams of aspirin that should be administered is (note 2.201 lb = 1 kg)

Q: After the storm in February, New York City saw a total of 26 inches of snow, making 2021 the 8th…

A: Given: 1 gal. = 3.78541 liters (L) The value Kf of water is1.86 °C/m. Density of water is 0.997 g/mL…

Q: The solubility of potassium chromate is 66.8 g per 100 g of water. In an experiment, a student had…

A: Molarity is defined as “the mole of the solute per unit volume of the solution”. It is represented…

Q: A mouthwash contains 23.0 %% alcohol by volume. If the bottle of mouthwash contains 315 mLmL , what…

A:

Q: Table salt contains 39.33 g of sodium per 100 g of salt. The U.S. Food and Drug Administration (FDA)…

A: Mass of salt that contains 39.33 g Na = 100 g salt. Mass of salt that contains 2.40 g Na = 240/39.33…

Q: An empty container has a mass of 2.8g. If we added 35.57mL of liquid to the container, the new mass…

A: Density is mass per unit volume.

Q: Assume a certain adult requires 274 mL of pure oxygen per minute and assume inhaled air contains…

A: Given, A certain adult requires------- 274mL of pure oxygen per minute. The inhaled air…

Q: A citrus dealer in Florida sells boxes of 100 oranges at a roadside stand. The boxes routinelyare…

A: Given data contains, The average weight of orange is 7.2 ounces. Average weight of the boxes is 3.2…

Q: The dishwasher broke down. You want to use chlorine bleach solution to sanitize you’re dishes at…

A: To calculate the amount of bleach , we would first calculate the volume of whole sink . Also it is…

Q: Use unit analysis to show how to calculate the volume occupied by 16.6 grams of lead. (The density…

A:

Q: When you heat popcorn, it pops because it loses water explosively. Assume a kernel of corn, with a…

A: Given data: Mass of kernel popcorn = 0.129 g, Mass left after popping kernel popcorn = 0.103 g Loss…

Q: The recommended dosage of a drug for pediatric patients is 200 mg per kilogram of a​ patient's…

A: We can convert units. lb and Kg are 2 units of mass.  The relation between lb and kg is - 1 lb =…

Q: A 16 oz can of soda pop costs $1.10. A 2.00 L bottle of the same variety of soda pop costs $2.29.…

A: They say the term "soda pop" is traced back to the 1800s when seltzer water came into production and…

Q: the food and drug administration (fda) recommends that dietary sodium intake be no more than 2400 mg…

A: Given: Mass= 2400 mg= 2.4g 1 lb=453.6g To find The mass in pounds (lb)

Q: If the snack food is pretzels and a single pretzel has a mass around 1.5g, how many pretzels would…

A: The mass of one pretzel is 1.5 g,The mass of the daily requirement of sodium intake is 2.25 g,The…

Q: If there are 28.35 grams in each ounce, and each marble weight 0.16 oz. What is the molecular weight…

A: Solution is given below.

Q: milligrams of acetylsalicylic acid. Acute aspirin poisoning may occur if an individual ingests 150…

A: The question is based on the concept of dimensional analysis. we have been given mass of the child…

Q: A pill that is 91.5% aspirin is found to contain 50.21 mg of aspirin. What is the mass of the pill…

A: Given: Percent of aspirin in pill = 91.5 % Mass of aspirin = 50.21 mg

Q: What mass of iron in the nail reacted with the water?

A:

Q: A motorcycle’s fuel tank has a capacity of 0.0221 kL and the motorcycle can travel 15.0 km/L. 1.…

A: The solution is given below -

Q: Prior to hosting an international soccer match, the local soccer club needs to replace the artifical…

A: Given:The cost of grass turf = $8.00per square meter.The field is 0.1080 km by 0.0680 kmWe need to…

Q: A certain Animal Tranquilizer has a recommended dosage of 0.020 mg/kg for a large animal. A worker…

A: Calculating dose of a tranquilizerCalculations shown in picture

Q: 14K yellow gold is an alloy that contains gold, copper and silver. A 14K gold ring contains 6.90g of…

A:

Q: Prior to hosting an international soccer match, the local soccer club needs to replace the artifical…

A: Given : Length of field = 0.101 Km Width of field = 0.065 Km And cost of turf per m2 = $ 7.00 per m2…

Q: The solubility of potassium chromate is 66.9 g per 100 g of water. In an experiment, a student had…

A: The question is based on the concept of solubility. We have to calculate how much solute can be…

Q: Calculate the volume

A:

Q: A 5lb bag of sugar weigh 2.270kg. Sugar has a molecular weight of 342g/mole. How many moles are in…

A:

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: table salt has a density of 2.16 g/ml. if your doctor says you should limit your intake to 3.75 in a…

A: Given the density of table salt, d = 2.16 g/mL  The required conversion factor from density is: 1 mL…

Q: An adult should have no more than 2303 mg of sodium per day. What is this limit in kilograms (kg)

A: According to the question, the daily limit of sodium intake for an adult is 2303 mg. Given: The…

Q: In Mexico, avocados are 48 pesos per kilogram. What is the cost in cents of an avocado that weighs…

A: Given: Cost of Avocados = 48 pesos/Kg. And weight of avocado given = 0.25 lbs.

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: What is the Volume of 9.86 x 10^-2 pounds 7.90 g/mL steal ( hint use the determined density of steal…

A: Given data, Density of steel = 7.90 g/mL 1 pound = 453.6 g Mass of steel = 9.86 x 10-2 pounds =…

Q: The mass of one atom or molecule of a substance is given in atomic mass units, also called Daltons…

A: Mass of one atom / molecule of a substance is given in atomic mass unit which is also called Dalton.

Q: The maximum dosage of medicine A is listed as 20.0 mg per kg of body weight per day. The adult…

A:

Q: 1. Perform the following unit conversions.      (a) 0.993 oz to grams 3.4 × 106 cm to kilometers…

A: The conversion factor is said to be the algebraic factor which can be used to convert one set of…

Q: imagine you drink one liter of water per day for 50 years. Calculate the mass of water in english…

A: The mass of the substance is equal to the product of volume and density of the substance. The…

Q: Crude oil is sold in units of barrels, where 1 barrel=160 liter. . Assume that crude oil has a…

A: Given : Density =  823.0 kg/m³ Volume = 1barrels.

Q: Sodium hy drogen carbonate, known commercially as baking soda, reacts with acidic materials such as…

A: mass of sodium hydrogen carbonate = 0.528 kg mass of sodium hydrogen carbonate = ? mg Note: 1 kg =…

Q: A blood sample of 2.81 milliliters is collected from a patient to be anaylzed for a platelet count.…

A: We know that,1 Kg = 1000g1 L = 103 milli L⇒ 1ml = 11000LGiven,Platelet Density of human blood = 1.04…

Q: the summers in joushua tree can be extremely hot. a hiker sets out on a 25 km hike and expects to…

A: In unit conversion one unit is converted into other unit by using multiplicative factor.

Q: Linus Pauling (Recipient of two noble prizes one for chemistry and another for peace)Wrote a book,…

A: Given, one 500.5 mg tablet contains 20% by mass Vitamin C. The mass of vitamin C in one 500.5 mg…

Q: What volume of water (ml) would a 51.4 g sample of pure gold displace? The density of gold is 19.3…

A:

Q: 5. An irregularly shaped piece of metal is placed in a graduated cylinder containing 15.0mL of…

A: We have to predict the density of metal .

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.