1. The label on a 300 ml stock bottle reads 30% alcohol by volume. What volume of alcohol does it contain?

Q: Calculate the mass of hydrazine (N₂H₂) that contains a billion (1.00 × 10°) hydrogen atoms. Be sure…

A: Given that,number of H - atoms = 1.00 × 109 atoms of H Mass of N2H4 = ? ,Molar mass = 32.0452 g…

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

A: To solve this we have to convert the radius from nanometer to Kilometer  We know that  1 nm = 10-9 m…

Q: 3410 m + 89.54 m + 11,000 m = ____________m

A: In the given problem, add on the three values and round off the answer to the correct significant…

Q: Convert 34.0mm to inches.

A: The relationship between inches and mm is given by  1 in = 25.4 mm

Q: A sample of Cl2 gas has a volume of 13L, how much does it weigh?  Round to 2 decimal points

A:

Q: 2.00 in2  to cm2

A: To Convert: 2.00 in2 to cm2

Q: 75.5 dg =      write in scientific notation

A: Scientific notation is used to express a number in its decimal form multiplied by power of 10. They…

Q: 532 mi/s2 to cm/hr2

A:

Q: Convert 83 cm into meters

A: Convert the cm to m We know that1.0 m = 100 cmnow the coversion of cm to m is as shon in figure

Q: 1523.789 mm3 / 4.018 cm2 =   ____________ inches

A: 1523.789 mm3 / 4.018 cm2 =   ____________ inches

Q: What is the correct volume reading for this buret, using the proper number of significant digits?

A: Steps to read the measurementStep 1: When a transparent liquid is placed in glass ware (like…

Q: Round 329.2258 to 2 significant digits

A: Significant figures are meaningful digits which are known with certainty. There are certain rules…

Q: . Convert 12.3 mg/cm³ to kg/m³

A: Given,  12.3 mg/cm3 1 kg = 106 mg or    1 mg = 10-6 kg To convert mg to kg multiply with 10-6. 1…

Q: A chemistry student needs 55.0 mL of methyl acetate for an experiment. By consulting the CRC…

A: Density of methyl acetate = 0.934 g.cm-3Note: 1 mL = 1 cm3Volume of methyl acetate = 55.0 mL = 55.0…

Q: 67.4 cm=cm= __________ kmkm.         Express your answer with the appropriate number of significant…

A:

Q: 36.5 kg 3 m to g cm 6.D 3 cm 3

A:

Q: A chemistry student needs 70.0 mL of ethanolamine for an experiment. By consulting the CRC Handbook…

A: Density is defined as the mass of substance divided by the volume of substance=> >density =…

Q: The mass of Erlenmeyer flask used in chemistry laboratory is 35.6 g. What is the equivalent of it in…

A:

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: Copper has a density of 4.4 g/cm3.  What is the volume of 6.83 g of copper? The volume of the…

A:

Q: 3. Estimate the volume of the object to the correct number of significant figures: mL 25 20 ML 25 20

A: A graduated cylinder is an apparatus used in a chemical laboratory to measure the desired volume of…

Q: Write the numbers in scientific notation. 1071 1071 = 0.00091 0.00091 = x 10⁰ x 10 am b=

A: By using a scientific notation we can write a very large or very small number easily.

Q: What is the scientific notation for 1/4411

A: Solve,1/4411 = 0.00023Scientific notation is written as exponential form of a numberSo, for 0.00023…

Q: 1.65 meters to cubic mililiters

A: As known unit conversion:

Q: One kilogram is slightly more than ________ U.S. pounds.

A: Pound and Kg are the units for the measurements of Masses. Pound is an imperial unit that is…

Q: The number 24.03687 rounded to significant figures is________

A: The number 24.03687 rounded to significant figures is?

Q: C,H,0 2738 2820 1703 4000 3000 2000 1000

A: IR spectroscopy is an important tool for the determination of the functional group in the compound.…

Q: An unknown liquid has a density of 4.67 g/cm3, 0.124 Kg of this liquid would occupy a volume of…

A:

Q: 1.43 to scientific notation

A: The way that is used to express very large numbers or small numbers into simplest form or can say…

Q: 68.58 km/my to cm/yr

A: 1 km = 1000 m 1 m = 100 cm 1 km = 105 cm 1 my = 1000000 yr

Q: Convert the following numbers from Scientific Notation to Regular Notation. a. 5.7x106®

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.