What is the mass, in grams, of a pure gold cube that has a volume of 5.00 cm3?

Q: The radius of a copper (Cu)atom is roughly 1.3 x 10 10 two separate copper atoms? (Assume there are…

A:

Q: An irregularly-shaped piece of aluminum (Al) has a mass of 86.1 grams. What is the volume of this…

A:

Q: The density of ethylene glycol (anti-freeze) is 1114 kg/m3. How much mass (in kilograms) of this…

A:

Q: The Greek mathematician Archimedes is credited with discovering how to verify the amount of pure…

A: Density of an object is the amount of mass the object has in a given volume of that object. If the…

Q: The radius of a copper (Cu)atom is roughly 1.3 x 10 10 two separate copper atoms? (Assume there are…

A: Given that: Radius of copper atom=1.3×10−10m

Q: Gold can be hammered into extremely thin sheets calledgold leaf. An architect wants to cover a 100…

A:

Q: Ethanol is a common laboratory solvent and has a density of 0.789 g/mL. What is the mass, in grams,…

A: The volume of a given liquid is defined as the amount of the space occupied by the liquid that fully…

Q: Nickel metal has a density of 8.90g/cm^3. What is the mass in milligrams, of a 15cm^3 sample of…

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

Q: Consider a 25.09 g cube of cadmium metal, an element which forms some of the most toxic salts known,…

A: The length of one side of cube = 1.45 cm

Q: What is the volume, in L, of a room that is 8.00 ft x 10.00 ft x 10.0 ft?

A: The volume in liters has to be determined. Some of the common conversion factors that will be useful…

Q: The diameter of a DNA alpha helix is about 8 ✕ 10−8 in. What is its diameter in centimeters?

A: Given: Diameter of DNA α helix= 8×10-8 inWe need to find diameter in cm

Q: Gold is very dense metal with a density of 19.3 g/cm3, what is the volume of a 0.255 kg gold sample?

A: Given that;     Density=19.3 g/cm2     Mass=0.255 kg     Volume=?

Q: How many quarts of gasoline are there in 248 grams of gasoline if gasoline has a density of 0.749…

A:

Q: What is the length in millimeters of a crystal of copper sulfate that is 0.180 in. long?

A:

Q: How many pounds of nickel are in 1.2 × 10° of the $1 coins? Give your final answer in the space…

A: we know that in US  1 dollar = 20 nickles

Q: how many nanomoles is a 83.9 pg sample of platinum?

A: Given :- mass of Pt = 83.9 pg  To calculate :- number of nanomoles of Pt  Number of moles =…

Q: Calculate the mass of 65.0 cm3 of mercury.

A: Ans

Q: What mass of solid lead would displace exactly 234.6 liters of water? Given that lead has a density…

A: Unit of volume and density is converted as follows:

Q: ZSM-5, a catalyst material, has a surface area of 425 m³/g. What is the surface area of this…

A:

Q: ZSM-5, a catalyst material, has a surface area of 425 m/g. What is the surface area of this material…

A: Given: Surface area = 425 m2/g To find: Surface area in cm2/mg We know that, 1 m = 100 cm 1 g = 1000…

Q: A modern Lincoln Penny weighs about 2.5 grams. What type of property is this?  extensive  normal…

A: The properties which are varying with the amount of substance are known as extensive properties.…

Q: Carbon

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: A sphere of pure iron metalcontains 9.57 x 1024Fe atoms. What is the radius of the sphere in…

A:

Q: How many mL of paraffin wax would it take to make a candle of this size, with a volume of 11.0 in³ ?

A: Given: Volume = 11.0 in3.

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: Ethanol is a common laboratory solvent and has a density of 0.789 g/mL. What is the mass, in grams,…

A: Density is the ratio of mass and volume.

Q: What is the mass of 1.86x10^24 molecules of nitrogen

A: first find the no. of moles of N2  then find mass by multiply by its molar mass

Q: If 15 grams of US quarters contain 13.75 g of copper, what is the percentage copper in the quarter?

A: Given data:

Q: 2.3E23 molecules of sugar (CH120,) would weigh how many grams?

A: The moles are the unit of the substance and it is explained as 6.022×1023 atoms/molecules/ions. It…

Q: Ethanol is a common laboratory solvent and has a density of 0.789 g/mL. What is the mass, in grams,…

A:

Q: Franklin was performing an experiment by combining hydrochloric acid and sodium hydroxide. He…

A: The basis to answer this question is the law of conservation of mass.

Q: What is the mass of a 1.75 L sample of a liquid that has a density of 0.921 g/mL?

A: Given :-  volume of liquid = 1.75 L  density of liquid = 0.921 g/mL  To calculate :-  mass of liquid…

Q: A student determined that his/her sample was 45.25% Cl-. If his/her original unknown sample weighed…

A: Mass(%) = (Mass of sample)*100/(Total Mass)

Q: To aid in the prevention of tooth decay, it is recommended that drinking water contain 0900 ppm…

A: Given  0.900 ppm = 0.900 g/106 cm3 water dimensions of cylindrical water reservoir diameter = 5.29 x…

Q: What is the mass (in kg) of 6.89 × 10^25 molecules of carbon dioxide?

A: Mass is a physical quantity which indicates the amount of matter present in a substance. Its units…

Q: What is the mass, in grams, of a pure gold cube that has a volume of 4.70 cm3

A: In this question, we want to determine the mass of pure gold cube in grams unit.  You can see…

Q: The concentration of carbon monoxide in an urban apartment is 48 µg/m°. What mass of carbon monoxide…

A: Concentration of CO = 48 µg / m3 or 48 × 10-6 gm/m3 Volume of room = 12 × 12.5 × 21.5 ft. 1 Feet =…

Q: what is the volume of a single drop of substance if 10 drops is equal to 1.549cm3?

A: Given that the volume of 10 drops of substance is 1.549 cm3. By relating this condition volume of…

Q: Suppose the metallic paper clips (which contain iron) had been replaced by magnesium or nickel.…

A: Ferromagnetism It is a property of substance in which metals act as a permanent magnets. Also it…

Q: 3. The mass of a gold nugget was measured and found to be 0.00320 grams. How many significant…

A: 3) Given : mass of gold nugget = 0.00320 g

Q: What is the volume of a piece of diamond (ρ = 3.5 g/cm3) that has a mass of 0.65 kg?

A: Given : density of diamond = ρ = 3.5 g/cm3  And mass of diamond = 0.65 Kg

Q: The price of a ream of paper is $2.90. There are 250 sheets of paper in a ream. If a sheet of paper…

A:

Q: When a 39.71 g rock was placed in a graduated cylinder with 18.62 mL of water, the water level rose…

A: Ratio of mass to volume is termed as density which can be represented by a formula as:…

Q: he distance between atoms is sometimes given in pico-meters, where 1 pm is equivalent to 1 × 10^–12…

A: Given : distance between layers in pm = 568 pm

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: What is the mass of a golf ball traveling at 88.1 ms1? The rest mass of a golf ball is 45.9 g, as…

A:

Q: What is the mass in grams of 1.37 × 1016 chromium atoms?

A:

Q: A flask has a mass of 78.23 g when empty and 593.63 g when filled with water. When the same flask is…

A: Given Information - mass of empty flask =  78.23 g  mass of flask filled with water = 593.63 g  mass…

Q: The radius of a potassium atom is 231 pm. How many potassium atoms would have to be laid side by…

A: