d or subtract the following measurements. Be sure each answer you enter contains the correct number of significant digits. 14.90 mL + 16.577 mL mL %3D 12.970 mL - 11.60 mL I mL %3D ? 12.67 mL + 4.720 mL mL %3D

Q: A What is the mass percent of potassium chloride when 9.35 grams of potassium chloride is mixed into…

A: Given : mass of KCl = 9.35 g               Mass of water = 162.98 g

Q: The following measurements of the density of solution in g/mL were made by different CHEM 112…

A: Accuracy means the closeness of a measured value to a standard value.

Q: Read the volume of the water in the picture, to the correct number of sig figs. Include answer. mL…

A: Given :

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: The rule in multiplication and division is that the answer should have the same number of…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: Answer: In case of multiplication and division, least number of significant figures in any digit…

Q: 56. Round the number on the left to the number of significant figures indicated by the example in…

A: Significant figures of a number are those which are absolutely necessary to explain the numbers…

Q: EMENT AND MATTER Counting significant digits when measurements are added or... Add or subtract the…

A:

Q: Multiply or divide the following measurements. Be sure each answer you ent 845.61 mol 72.16 L =…

A: The multiplied and divided answer should in correct significant figure.  Multiplication and Division…

Q: a Express the following measurement in scientific notation 2574.2 mL 2574.2 x 103 mL 2.5742 x 103 mL…

A: The following measurements are to be expressed in scientific notation-2 mL0001 g7° C

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A:

Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…

A: The given measurements are: 18.72 mL-3.6 mL9.727 mL+3.80 mL17.670 mL+14.8 mL

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A:

Q: A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the…

A: The density of the solution is equal to the ratio of mass to the volume of solution. The formula of…

Q: The 50.00 ml burette that is used in the laboratory is 10 times more accurate than the 100 ml…

A: Here we have two measuring instruments for measuring the volume of solution.  Volume of Burette =…

Q: 17.7 mL Aux g Au Drag and drop your selection from the following list to complete the answer:

A: Given that,  The density of Gold (Au) = 19.28 g/mL And Volume of Gold (Au) = 17.7 mL

Q: A student obtained a density versus percent by mass sodium chloride standard curve for the Salt in…

A: The best fit curve on the density v/s percent by mass of NaCl solution is given as, => y =…

Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…

A: Adding or subtracting of the following measurements.6.920 mL - 5.6 mL =   ? mL 14.607 mL + 10.87 mL…

Q: If 1in=2.54cm, how many centimeters are in 12.5? Be sure to answer the correct number of sig figs.

A: The required conversion factor is: 1 in = 2.54 cm  We have to convert 12.5 in into cm.

Q: Calculate the slope (m) of the best-fit line using the equation: m=y2-y1/x2-x1. Report the result to…

A: Given : x1 = 3.00 cm3   ,    y1 = 4.500 g              X2 = 10.5 cm3   ,    y2 = 15.500 g

Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…

A: For subtraction and addition, the number that has the least decimal has to be considered and the…

Q: ||| = Initial Knowledge Check g A chemistry student needs 45.0 mL of acetone for an experiment. By…

A: Note: 1 mL = 1 cm3volume of acetone = 45.0 mL = 45.0 cm3density of acetone = 0.790 g.cm-3mass of…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: During multiplication or division, the final answer should have the fewest number of significant…

Q: If 16 oz = 1lb followed by 200lb = 1T followed by 1oz =28g followed by 1lb= 0.45kg. Followed by 1T=…

A: A unit is a symbol that adds meaning to the measurement. There are different systems of units with a…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A:

Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…

A: The objective of the question is to perform the addition and subtraction of the given measurements…

Q: Convert 12 cm³ to liters. The answer must have the correct number of significant digits 1.2 × 10² L…

A:

Q: Decide whether each proposed addition or subtraction of measurements is possible. If it is possible,…

A:

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: We have to predict the answer of equation as per Sig figs.

Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct n…

A: We have been given problems of addition and subtraction.We have been asked to solve these three…

Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…

A: Rules for significant figure   1)All non zero integer are significant    2)Exact number have…

Q: y answer you enter has the proposed addition or subtraction Is this possible? result 42.000 m +…

A: ->Addition or substraction of different units are not possible but multiplication and division of…

Q: Counting significant digits when mea Multiply or divide the following measurements. Be sure each…

A:

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: Significant Figure :-  Significant figures of a number in positional notation are digits in the…

Q: Based the image below, select the most appropriate volume measurement. Please take significant…

A: The correct answer of two MCQ questions regarding significant numbers are given below-

Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…

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

Q: Which of the following are acceptable readings for the volume of fluid in the graduated cylinder…

A: Since 10 spaces makes 5 mL  So 1 space makes = (5/10) mL                                    = 0.5 mL…

Q: 10) Solve each problem and report your answer to correct significant figure and units. Remember that…

A: 244.15 kg 18.36 ml 152.5 cm 0.4049 g/cm3 11.5 lb.ft/gal 3.488 × 106 mg/cm3 1.761 × 102 nm 1.987 ×…

Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…

A: Answer giving correct number of significant digit of add or subtract of this given questions.

Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…

A: The objective of the question is to perform the addition and subtraction of the given measurements…

Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…

A: Significant figures are all the digits in a measurement that are known with certainty. Rules for…

Q: Convert 1.2 ft2 into cm2.  Give your full answer.

A: Convert 1.2 ft2 into cm2

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.