"If lemons cost $2.49 per pound and Alice makes $32.00 per hour, how many hours must Alice work to purchase 428 pounds of lemons for a local fair?"

Q: Elaine needs 5.55g of sea salt. She has 4.0 L of water from the Atlantic Ocean. The density of this…

A: Given information: Mass of sea water = 5.55 g Density of water = 1.027 g/mL

Q: ow many milligrams of total fat are present in each serving? How many grams of cholesterol? How…

A:

Q: What is the price of the carpet per square meter?

A:

Q: How many cubic meters of soil are needed to fill a flower box that is 3.5 feet long, 8 inches wide…

A:

Q: A 11.630 gg milk chocolate bar is found to contain 7.815 gg of sugar.   What will be the amount of…

A: Given: Mass of milk chocolate = 11.630 g. The mass of sugar in it = 7.815 g. And the mass of another…

Q: The danger point in breathing sulfur dioxide for humans is 2620 μg/m3. How many ppm is this value?

A:

Q: A pediatrician writes a prescription for “diphenhydramine 7.5 mg PO Q 6 hours × 7 days” for a child…

A: (PO Q 6 hours * 7 days) in the prescription means the medicine has to be taken every 6 hours for 7…

Q: A male patient has been diagnosed with diminished thyroid function. His doctor prescribes a dosage…

A: A male patient has been diagnosed with diminished thyroid function. His doctor prescribes a dosage…

Q: Assume the recommended single dose of ibuprofen for children over the age of two is 4.5 mg per pound…

A: Ibuprofen is a widely used as a pain relieving drug. It is taken for all sorts of pain in the…

Q: 3. How long will it take (in hours) to empty a pond that contains 500.0 gallons of water with a pump…

A:

Q: What is the price per liter of the 0.500 L bottle? What is the price per liter of the 24.0 oz…

A: What is the price per liter of the 0.500 L bottle? What is the price per liter of the 24.0 oz…

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: the walls of a room are 3240 ft2 in area, and a gallon of paint covers 15 yd2, how many gallons of…

A: 1yd= 3ft  15 yd^2=15*(3*ft)^2=135 ft^2

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: How many mililiters of this suspension should be given to an infant weighing 11lb?

A:

Q: A doctor prescribes 3 g of a drug, daily, for a patient. The pharmacist has only 750 mg tablets…

A: Given, Amount of daily dose of a patient = 3 g Note: 1000 mg = 1 g Amount of tablet available = 750…

Q: If a 185-lb patient is prescribed 145 mg of the cholesterol lowering drug Tricor daily, what dosage…

A: Given :- mass of patient = 185-lb               Drug given to patient = 145 mg  To calculate :-…

Q: You have $9.35. How many pounds of meat can be bought if meat sells at $2.68/lb (also can be written…

A: Given data:

Q: How much will it cost to purchase chicken wire for a fence if 73 feet are needed and the fencing…

A: First we need to convert the information to the same units.1 yard is equal to 3 feet, so we can…

Q: The average diver consumes about 8.2 L of oxygen per minute. If you swim 8 meters per minute for 692…

A:

Q: A specific gravity bottle weighs 35.40g. When it is filled with water, it weighs 85.93g. When it is…

A: Specific gravity of liquid is given by : mass of liquid / mass of water .

Q: A small fish tank will hold 29 gallons of water. If the tank leaks water at a rate of 1.0 mL/min.,…

A: Volume is amount of space that a liquid or a substance occupies. It has many units like litre,…

Q: How much money will it cost you to drive a diesel tractor trailer truck 175.0 miles if it gets 8.50…

A: Given: Distance travelled = 175.0 miles 8.50 miles travelled per gallon. Fuel cost = 3.599$ per…

Q: You wash dishes for a chemistry laboratory to make extra money for laundry. You earn 12…

A: Introduction: The given rates can be multiplied or divided so that the undesired units will cancel…

Q: Assume household vinegar contains 5% acetic acid by weight and that the density of vinegar is the…

A: Given :  Volume of household vinegar = 404 ml  Density of vinegar = 1 gm/ml  Weight % of acetic acid…

Q: if 20.0 Cal make an ounce, how many ounces of formula should a baby drink per day if the energy need…

A: Given :-  energy required for making of an ounce = 20.0 cal  To calculate :-  number of ounces if…

Q: if 20.0 cal make an ounce, how many ounces of formula should a babu drink per day if the energy need…

A: 20.0 cal make an ounce  Means ; Per ounce = 20.0 cal energy  By using this relation we can calculate…

Q: How long a trip, in kilometers, can be made on one full tank of gasoline? Express your answer to two…

A: Two numerical problems based on unit conversion, which are to be accomplished.

Q: How much would it cost to buy nails that will be used to build a fence 125 meters long if it…

A:

Q: You wash dishes for a chemistry laboratory to make extra money for laundry. You earn 12…

A: Final answer : If the cost per load rises to 16 quarters, one shift will then pay for only 3 full…

Q: How much money will it cost you to drive 100.0 miles if your car gets 25.70 miles per gallon and gas…

A: Total distance of driving is 100 miles  total gas required for 100 miles = ( 100 miles x 1 gallon )…

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

A: given mass of drug = 2.5 g mass of tablet = 500 mg

Q: How many minutes would it take to go 10.2 km at a speed of 7.65 mi/hr ?

A: Given: Speed = 7.65 mi/hr

Q: A prescription of antibiotics for a 30lb child says to give 100mg three time daily. Is the dosage…

A: Here we need to find out Is it safe for a child of weight 30 lb to take 100 mg antibiotics three…

Q: A student notices that her father (who is trying to lose weight) is drinking a lot of diet Pepsi…

A: Given that, FDA recommendation of aspartame = 50 mg/ per kg body weight per day. Weight of father =…

Q: How much money will it cost you to drive 145.0 miles if your car gets 25.70 miles per gallon and gas…

A:

Q: The "normal" lead content in human blood is about 0.40 part per million (that is, 0.40 g of lead per…

A:

Q: If your pace on a treadmill is 65 meters per minute, how many minutes will it take for you to walk a…

A: As pace on treadmill is 65 meter per minutes is given. Since pace or speed is distance traveled by a…

Q: How many cubic meters of blood does the heart pump in a 75-year lifetime, assuming the average flow…

A: Given: Flow rate of pump (Q) = 5.0 L/min. Average human age (t) = 75 years.

Q: How much money will it cost you to drive 205.0 miles if your car gets 25.70 miles per gallon and gas…

A: We have to calculate the total cost.

Q: The recommended single dose for acetaminophen is 10.0 to 15.0 mg/kg of body weight for adults. Using…

A: Given that : The recommended single dose for acetaminophen is 10.0 to 15.0 mg/kg of body weight for…

Q: The specific gravity of a vegetable oil is 0.92. What is the mass , in grams, of 550mL of vegetable…

A: Specific gravity=Density of liquid/ density of water The specific gravity of vegetable oil= 0.92…

Q: If your car gets 30 MPG (miles/gal) and gasoline costs $3.9 per gallon, how far can you travel on…

A: Interpretation:  Car runs 30 MPG (miles/gal) and the cost of gasoline per gallon is $3.9. The…

Q: A newborn baby eats 8 times a day. At each feeding, he eats 2.5 ounces of formula. How many days…

A: Given, 1 feed = 2.5 ounces total feeding in one day = 8 times total ounces in 1 day = 2.5 ounces/…

Q: With which of the following we can measure 9.7mL, Consider which volume matters the most AND EXPLAIN…

A: Graduated cylinder is actually a beaker type container where a scale is observed by which we can…

Q: You wash dishes for a chemistry laboratory to make extra money for laundry. You earn 12…

A: Given : cost of laundry = 12 quarters/load  number of loads of laundry = 10  duration of each shift…

Q: A block of aluminum is 25.5 mm x 2.63 cm x 0.835 cm high. How much would it weigh? Show your work.

A: Given : Length = 25.5 mm  Width = 2.63 cm  And height = 0.835 cm  Since 1 cm = 10 mm Hence length in…

Q: Which piece of equipment would you use to measure 7.10 mL of CuSO4 (aq)?

A: The given information says that about 7.10mL of CuSO4 (aq) has to be measured. The given value is…

Q: A 25-mL pipet sample of an alcohol is found to weigh 20.71 g. What would be the mass of 35.25 mL of…

A: Given that,Weight of alcohol sample = 20.71 gThe volume of alcohol sample  = 25 mLSo, density can be…

Q: Calculate the weight of a 2mm cube if the density of the material is 545g/ml?

A: The weight of a 2mm cube is to be calculated if the density of the material is 545g/ml.

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.