A gallon (3.78L) of latex paint can cover 385 ft2 of the surface of a wall. What is the average thickness of one coat of paint (in micrometers?)

Q: A popular car has an engine that is reported to have a volume of 5840 cm³. What is the size in cubic…

A: Since, 1 inch = 2.54 cm thus,

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: An Olympic-size pool is 50.0 m long and 25.0 m wide. How many gallons of water (d=1.0 g/mL) are…

A:

Q: Copper can be drawn into thin wires. How many meters of 34-gauge wire (diameter 6.304X10³in) can…

A: Copper is malleable and ductile metal which can easily change to wires and sheets. This is because…

Q: The average annual rainfall on Mount Waialeale on Kauai, Hawaii is 460.1 inches What is this average…

A: The average annual rainfall on mount waialeale on kauai, Hawaii is 460.1 inches. We know one inch of…

Q: 0.007 decigrams is equal to how many micrograms?

A: 0.007 decigrams is equal to how many micrograms has to be given.

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

A:

Q: A fishing boat accidentally spills 3.0 barrels of diesel oil into the ocean. Each barrel contains 42…

A: We use dimensional analysis in chemistry class folks

Q: A square field has a perimeter of 3.6 km. What is the length of one side in metres?

A:

Q: A 25 gram sample of a solid is placed in a graduated cylinder and then the cylinder is filled to the…

A: Mass of the solid = 25 g.Given, Mass of benzene + mass of solid = 58.8 g.So, mass of the benzene =…

Q: How long (in minutes) would it take someone driving 31 m/s to travel 55 miles?

A:

Q: The average radius of a molecule of lysozyme, an enzyme in tears, is 1.430 nm. What is its radius in…

A:

Q: A human brain weighs about 1 kg and contains about1011 cells. Assuming that each cell is completely…

A: Kilogram and gram are some common units of mass. These units can be converted into each other with…

Q: A cyclist rides at an average speed of 24 mi/h. If he wants to bike 195 km, how long (in hours) must…

A: average speed of cyclist=24 mi/hr distance he wants to cover=195 km as 1 km =0.621 mitherefore 195…

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: In the winter, a heated home in the Northeast might be maintained at a temperature of 63 °F. What is…

A: Given  Temperature  = 63 °F  Temperature in Celsius and Kelvin = ?

Q: there was a change in temperature, it was recorded as 55 kelvins. Convert this change in temperature…

A: Solution - According to the question - Given - (55K − 273.15) × 9/5 + 32 =  -360.7°F

Q: The density (d) of a substance is an intensive property that is defined as the ratio of its mass (m)…

A: Extensive properties are those that depend on the amount of matter present in the substance.…

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

A:

Q: Theodore plans on a taking 75 concrete pavers from his neighbor's yard. The pavers are made of…

A: We know that,       1Kg=1000g      1ton=1000Kg     1ml=1cm^3    1ft=30.48cm    1in=2.54cm…

Q: If a solution has a temperature of 355 K, what is its temperature in degrees Celsius? (please…

A: Temperature in Kelvin = 355 K

Q: A car is traveling at a speed of 65miles per hour. How long does it take to cover a distance of 235…

A: Given, speed = 65miles per hour distance = 235 meters

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: on average a drop of water has a volume of 50.0 microliters. What is this volume in dekaliters?…

A: Given :- volume of a drop of water = 50.0 microliters  To convert :- given volume to decaliters…

Q: what fraction of an hour is 900 seconds using dimensional analysis

A: what fraction of an hour is 900 seconds using dimensional analysis

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

A:

Q: On average, Earth’s crust contains about 8.1% aluminum by mass. If a standard 12-ounce soft drink…

A: Given: Mass of Earth's crust = 2 ton = 2000 Kg.                             (Since 1 ton = 1000 Kg)…

Q: Rolls of aluminum foil are 304 mm wide and 0.016 mm thick. What maximum length of aluminum foil can…

A: Width of Aluminum roll = 304mm Thickness of Aluminum roll = 0.016mm Mass of Aluminum = 1.10kg The…

Q: How many 1-cm cubes would it take to construct a cube that is 4 cm on edge?

A: The volume of a cube that has 4 cm on edge is; V=a3=43=64 cm3 The volume of a cube that has 1 cm on…

Q: how many micrometers are in 1.00 kilometers?

A: It is required to calculate how many micrometers (µm) are there in 1 km.

Q: A cubic piece of metalmeasures 5.00 cm on each edge. If the metal is nickel, whosedensity is 8.90…

A: The given data contains, volume =5 cm Density =8.90 g/cm3

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: The distance from Miami to Orlando is 235.0 mi. What is the distance in micrometers?

A: Given  Distance between  city  235 .0 mi

Q: Calculate the volume of a box in Cuba centimeters which is 423 cm long 12 cm wide and 25 cm high

A: Given, length of box (l) = 423 cm width of box (b) = 12 cm , and  height of box (h) = 25 cm  we have…

Q: At what temperature would 250 mL of water boil? 1000 mL? Is the boiling point an intensive or…

A: The temperature at which a substance in liquid state changes into a gas is called boiling point. The…

Q: Human blood typically contains 1.04 kg/L of platelets. A 7.29 pints of blood would contain what mass…

A:

Q: A popular car has an engine that is reported to have a volume of 4320 cm³ . What is the…

A: The given car engine volume in cm3 is expressed in cubic inches as shown below, The unit conversion…

Q: The specific gravity of a vegetable oil is 0.92. What is the mass, in grams, of 770 mL of vegetable…

A: Given : Specific gravity = 0.92  Volume = 770 ml

Q: The number 7.134×10^7in normal decimal notation is?

A: Basic rules to convert scientific notation into decimal notation :If the exponent is positive, move…

Q: 4.76 pm = how many micrometers

A: Unit conversion:Unit is refer to the term of measurable quantity. There are so many units are used…

Q: The density of wind-packed snow is estimated to be 0.35 g/cm cubed. A flat roof that is 35 by 43…

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: 7. A submarine cruises through the water at a speed of 26.4 nautical miles per hour. If there are…

A: Question-7 Given data speed of submarine =26.4 nautical mileshr and  1.15 regular miles=1 nautical…

Q: In the winter, a heated home in the Northeast might be maintained at a temperature of 71 °F. What is…

A: Given, temperature in Fahrenheit = 71oFConversion of Fahrenheit (F) to Celsius (C) can be done as…

Q: How many 1-cm squares would it take to construct a square that is 1 m on each side?

A: The quantities which come across during the scientific studies are named as physical quantities. The…

Q: HoLw many From the Sun to reach Earth? (The minutes does it take light distcince From the Sun to…

A: Given,            distance from sun to earth = 93 million miles            speed of light = 3.00 x…

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

A: Given: Length of the field = 0.100 km Width of the field = 0.074 km  Cost of grass turf =$9.00 / m2

Q: What is the area in square centimeters of an 8.5 inch by 14 inch sheet of paper?

A: Since the length of two sides of paper is unequal so this paper is rectangular shape. We know the…

Q: The area of a telescope lens is 7903 mm² (a) What is the areain square feet (ft² )? (b) If it takes…

A: a) Conversion of mm into feet: 1 feet=304.8 mm1 mm =1304.8 feet=0.00328084 feet Calculation of area…

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.