e the density of a the density to tw

Q: A student measures the mass of a piece of aluminum, and finds it to be 8.945 g. She finds that the…

A:

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: Calculate the mass of dinitrogen tetroxide (N₂O4) that contains a trillion (1.0 × 10¹2) nitrogen…

A: We have to predict the mass of dinitrogen tetroxide.

Q: In a laboratory, you determine that the density of a certain solid is 5.23 x 10 ° kg/mm. Convert…

A:

Q: A perfect cube of a gold metal was found to have a mass of 45.85 g. The density of the gold is 19.3…

A: Given density = 19.3 g/cm3 mass = 45.85 g

Q: A piece of metal that is a cube with sides of 1.66 cm has a mass of 69.000 g.  Calculate the density…

A: TO calculate the density of the metal, first of all we determine the volume of the metal cube.

Q: In 1999, scientists discovered a new class of black holes with masses 100 to 10,000 times the mass…

A:

Q: You are given a bottle that contains 4.39 cm^3 of a metallic solid. The total mass of the bottle and…

A: The density of a solid can be defined as mass of solid per unit volume of solid. The symbol used for…

Q: Take the mass measurement with nitrogen (28 dalton or atomic mass units per molecule) and the mass…

A:

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: Your calculator gives you the number 1761.2868 as the volume (in cm^ 3) of a box 2.0 ft by 6.5 cm by…

A: When rounding off the result of a multiplication, the number of significant figures in the final…

Q: An atom of a particular element has a volume of 7.8 x 10-31 m3. What is this volume in cubic…

A: An atom is always neutral because of the equal number of electrons and protons. Electrons are…

Q: The mass of Earth is 5.98 ×10^24kg. What is the mass expressed in tera-grams?

A: Given: The mass of the earth = 5.98×1024 kg We have to find the mass in teragrams.

Q: What is the mass of 18 cm cube of iron if the density of iron is 7.87 g/cm ^3?

A: Step : 1             What is the mass of 18 cm cube of iron if the density of iron is 7.87 g/cm 3?

Q: a small sheet of aluminum metal (?=2.70 g/cm3). The sheet had a mass of 1.3648 g, a length of 2.05…

A:

Q: The planet Mars orbits 2.279 x 10¹¹ m from the Sun. Express the distance using the appropriate…

A: 1m = 10-3 mm1 km = 1000 m1 nm = 10-9 m1 Gm = 109 m

Q: Gold is a very soft metal that can be hammered into extremely thin sheets known as gold leaf. If a…

A: The average thickness of the sheet produced from given grams of gold is calculated as shown below

Q: the density of mercury, the only metal to exist as a liquid at room temperature, is 13.6 g/cm^3.…

A: The density of mercury is given as 13.6 g/cm3 and it is required to convert this in pounds per cubic…

Q: what mass (in g) of solid lead would displace exactly 234.6 liters of water? The density of the lead…

A: Given : density of lead = 11.4 g/cm3                                                 Volume of water…

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

A: Density of any substance can be defined as the ratio of the mass of the substance to its volume. It…

Q: The volume of a single barium atom is 4.29 x 10 μL cm³. What is the volume of a barium atom in…

A: We know that the relationship between cubic centimeter (cm3) and microliter(µL) is :1 cm3 = 1000 µL

Q: What is the area in cm² of a sheet of paper that is 8.50 in x 11.0 in?

A:

Q: The mass of a uranium atom is 3.9526 × 10-22 grams. What is this value in nanograms? In your…

A: The mass of uranium atom = 3.9526×10–22 grams

Q: A hollow spherical iron ball has a diameter of 15.3 cm and has a mass of 13.5 kilograms. Assuming…

A: The formula to find the volume of iron of a hollow sphere, V is: V = 43πR3 -  43πr3 (or) V =…

Q: A gold cube is 150.00 mm long, 10.00 cm wide, and 0.95 m thick. If gold has a density of 19.3g/cm^3,…

A: The density of any substance is defined as the ratio of its mass to the volume of the substance.

Q: Jupiter’s mass is estimated to be 1.90 x 1027 kg, and it has a diameter of 142,984 km. Assuming that…

A: Density (d) , mass (m) and volume (V) are related as:

Q: 8) To determine the volume of an irregular shaped object, it is dropped into a graduate cylinder…

A: The objective of the question is to calculate the density of an irregular shaped object using the…

Q: What is the volume (in units of m^3) and density (in units of g/mL) of a 325g rectangular block of…

A:

Q: Iron has a density of 7.86 g/cm° (1 cm' = 1 mL). Calculate the volume (in dL) of a piece of iron…

A:

Q: Determine the density (in g/cm3) of a metal alloy (a mix of metals) that has a mass of 56.68g and…

A:

Q: The mass of a proton is 1.67262164 x 10^-27 kilograms. round off this value to three Significant…

A: The significant figure refers to particular digits in a number. According to the measurement rule,…

Q: How do you fint the volume of an element, given the density and mass.  For example, "Determine the…

A: The volume of an element can be calculated from the given below formula if its density and mass are…

Q: If the price of gold is $1,318.61 per troy ounce (1 troy ounce is exactly 31.1035 grams), what is…

A: Given   The price of gold is $1,318.61 per troy ounce. The second given price is $1,000,000. The…

Q: A sample of an unknown ore weighing 1.275 kg is found. When the sample is placed into a large…

A: Given that : Mass of the sample = 1.275 kg = 1275 g When the sample is placed into a large graduated…

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

A: When a body is immersed in a fluid, it displaces the fluid. Then calculate, --------- (1)

Q: How much does a copper sphere with a radius of 12.0 inches weigh in pounds? The density of copper is…

A: Given:Radius of copper sphere = 12.0 inDensity of copper = 8.96 g/cm3

Q: A jet airplane reaches 682. km/h on a certain flight. How long does it take to cover 342. m? Set the…

A: Given Speed (v) = 682 km/h Distance to be travelled (D) = 342 m = 342 × 10-3 km  Time taken (t)t = D…

Q: Using your measured density (8.81g/cm3), and the knowledge that %Zn + %Sn = 5.00%, calculate the %Sn…

A:

Q: An iceberg has a volume of 8365 ft^3 What is the mass in kilograms of the iceberg? The density of…

A: Density is a physical quantity that can be determined with the help of the mass and volume of the…

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.