2. Report the answer to the correct number of significant figures. a. 25 cm x 10.0 cm = b. 0.05 g - 0.025 g =

Q: Iron has a density of 7.86 g/cm3.  The volume occupied by 55.85 g of iron is

A: The density of a substance is defined as mass per unit volume. It can be represented by the below…

Q: A 20.0 g cube has one side equal to 1.50cm. What is its density?

A: Mass of cube = 20.0 g Volume cube = (1.50)3 cm3

Q: The mass of an empty container is 85.50 g . The mass of the container and a liquid with a density of…

A: Given data:- * mass of empty container = 85.50 g * mass of container and liquid = 150.25 g So,  *…

Q: A small beaker was found to have a mass of 27.847 g. A 10.00 mL sample of an unknown liquidwas…

A: Answer :- 1.225 (g.mL-1)  Density of unknown liquid (solution) = 1.225 g.mL-1…

Q: The mass of unknown metal cylinder A is 8.56 g that occupies 3.2 cm3. a. Calculate the density in…

A: Density of a substance is given by the ratio of mass of the substance to that of the volume.

Q: In the product A ∙ B ∙ C, A has 5 significant figures, B has 3 significant figures, and C has 4…

A:

Q: The density of aluminum is 2.70 g/cm3. Calculate its density in kg/m3.

A: Given, the density of aluminium is 2.70 g/cm3.Conversion of g/cm3 to kg/m3 can be done as follows:

Q: 6.7321x0.0021 in to a Significant figures and measurement

A: Rules for Significant numbers: Any non-zero number is significant. Zeros between two significant…

Q: The density of silver is 10.5 g/cm3. A piece of silver that occupies a volume of 23.6 cm3 would have…

A: Density of silver = 10.5 g/cm3  Volume of silver = 23.6 cm3  Mass of silver = ?

Q: Part 2. Significant Figures of log measurements. Perform the following calculations and report each…

A: For calculating the significant figures of log measurements, at first, the number of significant…

Q: The answer to   (315.8 g + 4.52 g)  has how many significant figures?

A: In this question, we will find out the number of significant figures in the final answer.…

Q: g/cm')? 2. Three students use a meterstick to measure a length of wire. One student records a…

A: As per our guidelines, I can only answer first question because you have posted multiple questions.…

Q: A substance has a known density of 7.81 g/mL. A large piece of it is measured, and the volume is…

A: Here we use the formula   d = m/v.  Where d= density, m= mass,…

Q: 5. Complete the following conversions 10.68 g to mg e. 2.00 in? to cm? b. 6.8 x 10* mg to kg c. 25.0…

A: According to our policy we should solve one question ( If any subpart present then we solve  first…

Q: Part A Express the quantity 689.6 × 10¬12 s in each unit. ms Express your answer using four…

A: Given:   The 689.6×10-12 s in each unit  convert it into ms , ns , ps , fs :

Q: 1. Which area is greater than 100 ft²? A) an 8 ft. × 8 ft. square B) a rectangle with an area of…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: why it is important to use significant figures in measurement? What is an example of significant…

A: Significant figures/significant digits form an important part of mathematical and scientific…

Q: metal strip is 1.11 cm long and 0.33 cm wide. The area in square centimeters to the correct number…

A: We have given that  1. A metal strip is 1.11 cm long and 0.33 cm wide. The area in square…

Q: The density of lithium metal is 535 kg/m3 . What is this density in g/cm3?a) 0.000535 g/cm3b) 0.535…

A: 1 kilogram=1000 grams 1 meter=100 centimeter

Q: What is the volume of iodine if it has a mass of 2.5kg and a density of 4.93/cm to the 3rd power?…

A: Answer of this question :-

Q: What is the density of an object of mass 200.00 g and volume 25.0 mL? 1._______ / 2._______ =…

A: Given: Mass of object = 200.00 g And volume of object = 25.0 mL.

Q: volume

A:

Q: Conversions: include the correct number of significant digits and follow the format provided in the…

A: Given that , We have to convert 1.2 gram to micrograms  & 10.0 cm to inches.

Q: 8.A) The density of a metal sphere is 25.0 g/L and has a mass of 1.55 mg. What is the radius of the…

A: The ratio of mass to the volume is known as density.

Q: The density of a solid is (7.40x10^0) g/mL. What is this density in units of cg/L?  Hint: Break…

A: We know that 1g/ml =100000cg/L or 105 So 7.40×100 g/ml = 7.40×105cg/ml

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

A: Area of square is as follows,

Q: (-7,1 × 10° cm) []= ? (-7.1 x 10 ? km

A:

Q: How to properly use significant figures in this case? Ccal = (-ΔHrxn x nLR)/ΔT Ccal = (-55.85…

A:

Q: Convert 1285 cm to m?. a) 1.285 x 10' m? c) 0.1285 m? b) 12.85 m2 d) 1.285 x 10 m?

A: To convert one unit to another unit, write the conversion factor on the right hand side of equal to…

Q: What conversion factors are needed to convert:a. nanometers to meters?b. density given in g/c m 3 to…

A: a. One nanometer is equal to 10-9 meters. So, the conversion factor is 10-9m.

Q: mass of nitrogen, in kg? x10-26 kg. (Round to two decimal places.)

A:

Q: Conversion factors and signify I can't figures:  1,888 quarts to pints  How do I know how many…

A: Conversion of 1,888 quarts to pints:

Q: How many significant figures are in the calculation: [ (4.3158 cm x 8.1 cm) - 27.17 cm2 ]? O 2 О1 O…

A:

Q: what determines how many figures are significant in reported measurement values? What would be the…

A: In reporting measured values, the degree of uncertainty of a number read from a measurement…

Q: A block has a mass of 4.287 g and a volume of 126.9 cm3. Calculate the density in g/cm3.

A:

Q: 1. 0.006 lb/s to g/s 2. 1001 ft to cm 3. 27.78g to lb mass

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 1.10 (a) How many significant figures should be reported for thevolume of the metal bar shown here?…

A: Since 2.5 cm has only two significant numbers, the volume is reported in 2 significant figures.…

Q: 14) Oxygen (02) is classified as what type of matter? A) element B) homogeneous mixture C) compound…

A: Thankyou for submitting an excellent question. Since you have asked multiple question, we will solve…

Q: The density of aluminium is 2.7 g/cm3. Find the mass in grams of a bar of aluminum measuring 3.0 cm…

A:

Q: Attached question

A: Density: It is the mass of the substance present for unit volume. The SI unit for density is g/cm3.…

Q: Calculate the mass in kilograms, of an object that occupies 25.3 cm3  and that has a density of 4.14…

A: Given: The volume of the object=25.3 cm3 The density of the object=4.14 g/cm3 To find: Mass in…

Q: A 2.83 g piece of zinc (density = 7.14 g/mL) is added to a graduated cylinder that contains 12.13 mL…

A: According to the question, the graduated cylinder is filled with 12.13 mL of water. A piece of zinc…

Q: A student measures the mass of a block of brown sugar to be 12.9 g with a volume of 8cm3. what is…

A:

Q: How many significant figures should your result contain? What is the calculated density? Express…

A: Given calculation : density =68.895 g(23.5 mL -14.7 mL)1cm31 mL

Q: Rolls of foil are 304 mm wide and 0.014 mm thick. (The density of foil is 2.7 g/cm3 .)What maximum…

A: The density of a substance is equal to the ratio of its mass and volume. In general, the density of…

Q: a liquid has a density of 1.17g/cm3.what is the mass in grams of 3.02kg of liquid

A: Given: The density of liquid = 1.17 g/cm3 Mass of the liquid = 3.02 kg =3020 g

Q: A sample that has a mass of about 25 g is weighed on a balance that has a precisionof 0.001 g. How…

A: The mass of sample with a precision of 0.001 g is in between 24.999 g and 25.001 g