11. A standard gold bar weighs 12.4 kg. The density of gold is 19.3 g/mL. What is the volume of a gold bar? lf an ounce of gold is worth $1255, what is the value of a bar of gold? ( 142 mL $ケ00, 700 , I troy ounce = 31-10% ka

Q: Carry out the following operations and express the answer with the appropriate number of significant…

A: Since we know that When we add or subtract  , we assign significant figures in the answer based on…

Q: Perform the calculation and record the answer with the correct number of significant figures.…

A: Given in the question = (34.123+9.70)/(98.7654-3.285) =(34.123+9.70)(98.7654-3.285)= 43.82395.4804=…

Q: > O MEASUREMENT Setting up a unit conversion A student sets up the following equation to convert a…

A: Answer :-----

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A: The number of significant figures could be determined using the rules given below. 1) The digits…

Q: 1. How many significant figures (1) 0.0044500 m (4) 1.00 × 10³ s are in each measurement? (2) 5.003…

A: All non-zero digits are significant.Zeroes in between two non-zero digits are significant.The…

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A: First, we need to understand the conversion from meters (M) to centimeters (CM). We know that 1…

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

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A:

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Q: A student sets up the following equation to convert a measurement.

A: Unit converstions :  1. mole unit conversion:    1 mol = 103 mmol        where mmol stands for…

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

A:

Q: When you perform the following operations, how many significant figures should your answer have?…

A: We will use significant figures rules to answer this question.

Q: 5. The Handbook of Chemistry and Physics lists the density of a certain liquid to be 07988 g/mL.…

A: Fred did not get "A" in the exam

Q: An aspirin tablet has a mass of 9820.0 mg. Report the mass of the tablet in: grams: • kilograms: kg…

A: The given tablet has mass of 9820.0 mg and has 5 significant number. So each result must have 5…

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A: A numerical problem based on uncertainty measurements, which is to be accomplished.

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A: Density (d) :-  The ratio of mass of an object to its volume is called as density of that object.…

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A:

Q: The density of a metal is 14.97 g/cm3.  How many pounds are in 195.76  in3 of the metal? (You can…

A: To solve this problem first we will use the given unit conversion .

Q: MEASUREMENT AND MATTER Counting significant digits when measurements are multiplied o... Multiply or…

A: The given problem is based on the concept of significant figures.

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Q: How many U.S. gallons does the aquarium contain?

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A: From the equation i can see, i think you made a calculation error. The expression written is…

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A: -> In addition and subtraction answer contains least number of decimal places.-> In…

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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.