How many significant figures do the following numbers contain? (a)   1.233 + .1    (b)   1.233*.1   (c)  1.233/.01

Q: A student sets up the following equation to convert a measurement. (The ?stands for a number the…

A: we need to convert from N/cm to N/mm

Q: Finally, sometimes the desired value does not directly match the units given but is derived from the…

A: Given: The volume of a sheet of metal = 45.5 cm3 Width = 14.8 cm Length = 15.9 cm

Q: Prepare a table in which the rows are: length, area, volume, mass, and time. Make two columns, one…

A:

Q: Assigning Appropriate Significant FiguresThe state of Colorado is listed in a road atlas as having a…

A: Given information,        Population in Colorado is 5,546,574         Area of Colorado is 104,091…

Q: is it possible for the calculated answer from a mulitplication or divison problem to contain more…

A: The significant number of answer in multiplication and division is determined by the number having…

Q: The average density of whole milk is 1.034g cm^-3. What is its density in lb gal^-1?

A: Conversion required is,

Q: 4. How many significant figures are present in the measurement 0.053402 mm? How many are in…

A: According to the rule of significant figure- If value is less than 1 then digit count start from…

Q: If a rectangular piece of cement is 2.00 cm x 2.00 cm x 9.00 cm and has a mass of 108 what is its…

A: Given: dimensions: 2.00 cm×2.00 cm×2.00 cm mass = 108 g

Q: Express each answer with the correct significant digits, and the proper units AND write it in…

A: The expression given is .

Q: A long ton is defined as exactly 2240 lb. What is this mass in kilograms?

A: Concept introduction: The ratio of two equivalent quantities that are expressed in terms of…

Q: The average annual rainfall on Mount Waialeale on Kauai, Hawaii is 460.1 inches What is this average…

A: The average annual rainfall on mount waialeale on kauai, Hawaii is 460.1 inches. We know one inch of…

Q: The state of Colorado is listed in a road atlas as having a population of 5,546,574 and an area of…

A: Given information,        Population in Colorado is 5,546,574         Area of Colorado is 104,091…

Q: What would be the reading of the liquid in the following graduated cylinder, reported to the proper…

A: Given is graduated cylinder.  We measure reading at lower meniscus.

Q: • If a car travels a distance of 241 km, what is that distance in miles?

A: Given Distance = 241 km

Q: and 1.0087 amu, respectively. Express your answers in three decimal places in scientific notation,…

A: Observed atomic mass = 202.9723 amu Mass of proton = 1.0078 amu Mass of neutron = 1.0087 amu Element…

Q: A newspaper reported that the attendance at Slippery Rock’shome football game was 16,532. (a) How…

A:

Q: How can the number 642,000 g be written to indicate that there are four significant figures

A: Given number is, 642,000 g

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: An experimentrequires 45.0 g of ethylene glycol, a liquid whose densityis 1.114 g>mL. Rather than…

A: The volume of the solution is found as, 1 mL = 1 cm3

Q: If someone consumes 21 g of sodium chloride per day, what mass (in grams) of sodium does that person…

A: Given: The mass of sodium chloride is 21g. 39% of sodium in NaCl by mass means 39 g of sodium(Na) is…

Q: How many significant figures are in the number 9.80 x 104?

A: Significant figures: The number that makes it easy to read or write in simple form is called…

Q: The density of diethyl ether, a common organic solvent, is 0.706 g/mL.  What is the mass, in g, of…

A: Given that : Density of diethyl ether = 0.706 g/mL Volume of diethyl ether = 0.62 L

Q: What is the mass, in pounds, of 8.32 quarts of olive oil, which has a density of 3.45 kg/gal?

A: Given: Volume of olive oil = 8.32 quarts And density of olive oil = 3.45 Kg/gal. Since 1 gal = 4…

Q: If amigrating loon flies at an average speed of 14 m/s, what is itsaverage speed in mi/hr?

A: The unit conversion has an important role in the calculation of numerical and some standard data.…

Q: What type of quantity (for example, length, volume, density)do the following units indicate? (a) mL,…

A: Conversion factors are used to convert different units into each other through dimensional analysis…

Q: An object is determined to have a mass of 0.00180 g . How many significant figures are there in this…

A: Significant figures – calculation rules are as follows,Significant figure is a non-zero number…

Q: The mass of a beaker is 5.333 g. After 5.00 mL of a concentated hydrochloric acid solution is pipet…

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

Q: At what temperature would 250 mL of water boil? 1000 mL? Is the boiling point an intensive or…

A: The temperature at which a substance in liquid state changes into a gas is called boiling point. The…

Q: If the diameter of a cylinder is 5.76 inches and the height is 9.46 inches what is the volume of the…

A:

Q: If a bullet travels at 945.0 m/s , what is its speed in miles per hour?

A: for the conversion of units m/s to mi/hr use the following data 1mile = 1609.344 m 1hr = 60 min = 60…

Q: True or false: The “size” of a degree on the Celsius scale is thesame as the “size” of a degree on…

A: The temperature scales of Fahrenheit, Celsius and Kelvin are developed based on freezing and boiling…

Q: What is the number of significant figures does the sum of the following contain   .3+ 5.652 , the…

A: 0.3+ 5.652

Q: A new beeswax candle has a volume of 475 cubic centimeters. Given that the density of beeswax is…

A: Given,  Volume of beeswax candle : 475 cm3 Density of beeswax : 0.970 g/cm3  Mass = ? ( in Grams)

Q: Which among the properties are measurable? Which ones are not?

A: Measurable properties are those properties that can be measured using scientific tools.

Q: Express the following measurement in the designated unit 45 g/l to μg/ml

A: Gram is a unit of measurement which is denoted by the symbol 'g'. Liter is a unit of measurement…

Q: A piece of metal has a density of 2.7 g/cm? and a volume of 28.5 cm3. What is its mass in grams?

A: Given :  Density of metal = 2.7 g/cm3  Volume of metal piece = 28.5 cm3

Q: For each of the following numbers, determine the number ofsignificant figures it contains, rewrite…

A: (a) 3.050 × 10–4 can be written without scientific notation as 3.050/104 =0.0003050 has four…

Q: If the sum of twice a number and -3 is multiplied by 4, the answer is 28. What is the number?

A: Let the unknown number be x. The twice of the number= 2x

Q: of significant figures in

A:

Q: Which is the smaller volume? 514 uL or 0.584 mL? Please show calculations.

A:

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: Unit conversions involve conversion of a unit of a physical quantity into another unit of same…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A:

Q: HoLw many From the Sun to reach Earth? (The minutes does it take light distcince From the Sun to…

A: Given,            distance from sun to earth = 93 million miles            speed of light = 3.00 x…

Q: The number 935.0022 rounded to 5 significant figures is

A: The number 935.0022 has to be  rounded to 5 significant figures.

Q: The average lead pencil, new and unused, is 19 cm long. What is its length in millimeters? In…

A:

Q: An object has a temperature of 50 F. What is its temper- ature in degrees Celsius and in kelvins?

A:

Q: A Volkswagen engine has a displacement of 120. in3. What is this volume in cubic centimeters? In…

A: Given :              A Volkswagan engine has displacement of 120 in3. We have to calculate volume in…

Q: if a substance has a mass of 33.3 g per 991 mL then its density is?

A: Given: The mass (M) of the substance is 33.3 g The volume (V) of the substance is 991 mL

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.