2. If the density of an unknown object was found to be 2.87 x 10 pounds (Ibs) per cubic inch, what is its density in grams per milliliter? (1 in = 2.54 cm, 1 kg = 2.2 lbs, 1 mL = 1 cm) %3D O 7.96 x10 g/ml O5x10 EmL O249 x10 Biml- 08x10 g/mL

Q: How many centiliters of sulfuric acid are in 32.9 x 10-23 molecules of acid? The density of…

A: Here we have asked that how many centilitres of sulfuric acid are present in 32.9 × 10-23 molecules…

Q: The concentration of mercury in a polluted lake is 0.33 micrograms per liter of water. What is the…

A: Given,Volume of the lake = 1.5 x 1012cm30.33 micrograms per liter of water

Q: A 6.0-ft person weighs 168 Ib. What is this person's height in meters and weight in kilograms? (1 lb…

A: In the above question, we have given height and weights of a person in ft and lb. We will convert it…

Q: Recently the CDC changed the ‘level of concern’ in children with exposure to lead to 5 micrograms…

A: Since,

Q: the liquid 2,3 butanedione has a density of 0.981 g/ml at 18.0 degree celcius.If a 103 gram sample…

A: The density of a substance is defined as a mass of a unit volume of the substance. The density of…

Q: The density of a proton is approximately 4.0 x 1014 g/cm³. If the mass of the proton is 1.7 x 10.24…

A: The objective of this question is to calculate the volume of a proton given its mass and density,…

Q: A homogeneous mixture was prepared by mixing 0.90 g A, 105.7 g B and 48.17 g C. The volume is found…

A: Given, Volume of mixture = 56.6 cm3 Mass of A = 0.90 g Mass of B = 105 .7 g Mass of C = 48.17 g

Q: Sunflower oil and water don't mix.  Sunflower oil has a density of 0.919 g/mL at 20oC and water has…

A: Sunflower oil will be the top layer since it has lower density than water. Volume of sunflower of is…

Q: The mass of fuel in an airplane must be determined before takeoff. A jet contains 16665 L of fuel…

A: Volume of fuel = 16665 L 1L = 1000cm3 16665 L = (1000 × 16665) cm3

Q: The shattered glass case at the scene of a jewelry store robbery was determined to be made of potash…

A: Given,  The mass of the unknown glass fragment = 3.379 g The density of a potash borosilicate glass…

Q: The shattered glass case at the scene of a jewelry store robbery was determined to be made of potash…

A: Given,Density of potash borosilicate glass = 2.16 g/mLMass of unknown glass fragment = 3.616 gVolume…

Q: A virus particle has an approximate volume of 5.20 x 106 nm3 and an approximate mass of 1.00 fg.…

A:

Q: A piece of metal weighs 8.25 g. When a student places it into a graduated cylinder containing water,…

A: we have to calculate the density of metal

Q: It is recommended that drinking water contain 1.6ug/ml (parts per million) flouride (F-) for…

A:

Q: A chemist prepares a solution of sodium hyposulfate (Na₂S₂03) by measuring out 15. µmol of sodium…

A: This question belongs to the solutions. We need to find the concentration of the solution mentioned…

Q: A chemist adds 35.0 mL of a 7.43 x 10μM zinc oxalate (ZnC₂04) solution to a reaction flask.…

A:

Q: The density of an object is 0.072 g/mL. Calculate the mass of this object (g) if it displaces 150.0…

A: Given: The density of an object = 0.072 g/mL The volume of water displaced by the object = 150.0 mL…

Q: The liquid 1-chloro-2,2-difluoropropane has a density of 1.20 g/mL at 20.0°C. If a 105 gram sample…

A: Density is the mass per unit volume. Mass= 105gm Density= 1.2gm/ml

Q: A glass cylinder contains four liquid layers: mercury (d = 13.6 g/mL), chloroform (d = 1.49 g/mL),…

A: Denser particles lie at the bottom and the lighter particles remain at the top of the container.…

Q: The liquid 1,2-dibromobenzene has a density of 1.98 g/mL at 20 °C. If a sample of this liquid at 20…

A: Density= 1.98g/mlVolume is 1.64LWe know that 1L = 1000ml

Q: An empty beaker weighs 47.89 g. When completely filled with water, the beaker and its contents have…

A:

Q: A general chemistry student found a chunk of metal in the basement of a friend's house. To figure…

A: First we will calculate density of metal, then estimate the unknown metal by comparing density of…

Q: A chemist prepares a solution of mercury(I) chloride (Hg₂Cl₂) by measuring out 0.53 mg of mercury(1)…

A: Mass of mercury chloride = 0.53 mg = 0.00053 g  (1 mg = 0.001 g ) Molar mass of mercury chloride =…

Q: Tracy is receiving lanoxin every 8 hours. She weighs 63 kg. The dose range for this drug is 0.030 to…

A: Given weight of Tracy is 63 kg.  Dose range of lanoxin is 0.030 to 0.060 mg/kg every day. The…

Q: The mass of a unknown metal sample is measured at 19.859 grams. When added to a cylinder containing…

A: Answer: This question is based on the relation between density, mass and volume where density of a…

Q: An object is moving at a velocity of 11 km/s. Calculate the distance in miles traveled by the object…

A: We have to predict the distance in miles.

Q: A student measured the mass of an empty micropicnometer to be 2.000g. A student places 0.500mL of…

A: Part(a): Given that the mass of micropicnometer = 2.000 g Mass of micropicnometer + citric acid =…

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…

Q: Assume the recommended single dose of an antihistamine for a child weighing 36–47 lbs is 1.50…

A:

Q: The concentration of carbon monoxide (CO), a common air pollutant, is found in a room to be 5.7 x…

A: The volume of the room is calculated as following,

Q: The shattered glass case at the scene of a jewelry store robbery was determined to be made of potash…

A: Density of glass fragment = mass of glass fragmentvolume of glass fragment…

Q: The density of water is 1.00 g/mL. If your swimming pool holds 208,000 gallons of water, what is the…

A:

Q: in 2. The density of ethanol (CH3CH₂OH) is 0.789 g/cm³ at 25°C. What is the mass grams of a 25.4 L…

A: The mass per unit volume of a substance is known as the density of the substance. The density of a…

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.