Which of the following measurements have the least number of significant figures? 0.1000 m 0.0010 m 30,000 m 21,000 m

Q: Select the product this Diels-Alder reaction?

A: Organic reactions are those in which organic reactant react to form organic products.

Q: Use the References to access important values if needed for this question. The number 4.75721…

A: The rounded to 3,4 and 5 significant number according to given number are given below.

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: Convert 259 bytes into Tb(give the answer in the correct number of significant figures)

A: Here we need to convert Byte into Terabit.Byte= It is a unit used for measuring size of memory.

Q: Carry out the following conversions. Report your answers to the correct number of significant…

A: One measurement can be converted from one unit to the other unit by conversion factor. It will be…

Q: Which of the following measurements contains 4 significant figures?   Question 1 options:   0.0040…

A: Zeros between two non-zero digits, non zero digits, digits in scientific notation and terminal zeros…

Q: 0.468L to mL

A: Given :- volume = 0.468 L  To be determined :- volume (in mL) with correct significant digits in the…

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: Which of the following has the greater volume: 1 mL or 1 cm³?

A: Volume is defined as the space occupied by a substance. The volume can be measured in various units…

Q: Which answer represents the measurement 0.00569 g rounded to two significant figures?

A: Rules to rounding significant figures :- 1) " If the rightmost digit to be removed is  >5 then…

Q: A distance was measured to be 135.0 meters. Which of the following express the distance in…

A:

Q: Ethanol has a density of 0.789 g/cm3. What volume of ethanol in mL must be poured into a graduated…

A:

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: If 20.0 Cal make an ounce, how many ounces of formula should a baby drink per day if the energy need…

A: 1 ounce = 20.0 cal Since per day a baby drink 1.50 ×103 cal No of ounces = 1.50 ×103/20 = 75

Q: When 0.0005760 is written in proper scientific notation with the correct number of significant…

A: Rules for determining significant figures,All non-zero digits are significantThe zeros placed to the…

Q: Using significant figure rules, the answer of 213 miles / 4.2 hours is equal to which of the…

A: In Multiplication and Division, The LEAST number of significant figures in any number of the problem…

Q: When multiplying or dividing measured quantities, what determines the number of significant figures…

A: The significant figures of a number written in positional notation are digits that carry meaningful…

Q: The number 4.0 × 105 has significant figures.

A: Number of significant figure in 4.0 ×105?

Q: perform the following calculation, reporting your answer to the correct number of significant…

A: Significant figures of a number are  necessary to indicate the quantity of something. It is also…

Q: Convert (Give answers in the correct number of significant figures)

A: Here we need to convert nanogram(ng) into kilogram (Kg) in same significant figures.Nanogram= It is…

Q: Calculate the product below, and express the result with the correct number of significant figures.…

A: Significant figures are the number of digits in a value that provide accuracy to that value. In the…

Q: The mass of a piece of metal is 19.5061 grams. When the piece of metal was dropped into the…

A: Density is defined as the ratio of mass to volume. The density of a compound is mathematically…

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: A metal cylinder has a mass of 120.21 g, a length of 2.10 cm, and a radius 0.97 cm. What is the…

A: Step 1: Given mass of the cylinder                        m= 120.21 gLength or height  of the…

Q: for this question, what would the correct number of significant figures be?

A: Concentration of KOH = 0.626 M The mas of MOBS=  5.00 g  pKa=7.48 and formula mass is 223.29 g/mol)…

Q: Complete the following metric conversions using the correct number of significant figures: 164mg to…

A: 164mg = 164 * 10-3g , Using relation berween milligram and gram we can solve this problem.

Q: What is the result of the following calculation expressed in scientific notation with the correct…

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

Q: If you are walking at a speed of 2.5 miles an hour how fast are you moving in kilometers a min.…

A: The speed in kilometers (km) per minutes, it is to be determined. Given: speed = 2.5 miles/hr 1 mile…

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: Carry out the division and enter the quotient with the proper number of significant figures in…

A: This is a division operation and in division, the number of significant figures are equal to the…

Q: How many number of significant figures are in the measurement 3.88 x 10-3 dm?

A:

Q: A woman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20…

A: Significant figures of a number printed in a positional notation are digits which make a…

Q: For the following division problem: (6.626 x 10–30) / (9.63 x 107) = ? What is the answer reported…

A: When we divide  the two same numbers  having  coefficients,  like 10-2/10-4 than here we just…

Q: Is 0.468 meters exact, or measured?

A: Exact numbers those which are obtained after counting and are well defined. These numbers are have…

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 student determines the density of a liquid by determining the mass of an empty graduated cylinder,…

A: (a) Determine mass of the liquid:

Q: A student is given the following question: "What is the mass of a gold bar that is 7.379 × 10–4 m3…

A: We know,Mass = Density x Volume

Q: When adding or subtracting measured quantities, what determines the number of significant figures in…

A: The result of an addition or subtraction should be reported to the same number of decimal places as…

Q: A large stone used for building is 5 meters long, 2 meters high, and 4 meters wide. The mass of the…

A: Density is defined as the mass per unit volume. It is represented by rho . Its relation is as…

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: The label on a box of cereal gives the mass of cereal in two units: 978 grams and 34.5 oz. Use this…

A: For the measurement of units there are two systems English and metric system. In the English system,…

Q: what is it’s density if the mass of a solid is 8.46 g and its volume is 4.16 mL?? express the answer…

A: The relation between mass and volume is given by a physical quantity called as Density.  The density…

Q: Make the following conversions. Report answer to the proper number of significant figures. 1.25 in…

A: Following is the conversion of 1.25 inch to feet

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.