Perform the following computation using your calculator: (report your answer to 4 decimal places) -0.0059 + (-6) - (-17.98) +-0.172 = ?

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Q: Chemistry Example How many g of Na are present in 8.800 moles of Na? 8.800 moles x² 9 Drag and drop…

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Q: If you use 25.0 mL of NaOH to titrate 100 mL of HCl and 20.0 mL of NaOH to titrate 50.0 mL of 0.0700…

A: Given :           25.0 mL of NaOH to titrate 100.0 mL of HCl           20.0 mL of NaOH to titrate…

Q: Perform each of the following operations, using your calculator where possible:(a) Write the number…

A: Since we answer only upto 3 sub-parts, we will answer first three. Please resubmit the question by…

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

A: Significant figures are the digits having a meaning in a given number. The number of decimal places…

Q: How many significant figures are shown in each ofthe following? If this is indeterminate, explain…

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Q: Perform the following computation using your calculator: (report your answer to at least 3 decimal…

A: Solve the given expression.

Q: Calculate the pH of each solution.

A: The dissociation reaction is  HClO4 ---> H+ + ClO4-  Hence from 1 mole of HClO4 we will get 1…

Q: (e) (83.145 m - 83.142 m)/(4.52 sx 2.208 s) = i Units m/s^2 Hint Assis

A: Calculation can be done by use of addition/substraction,  multiplication or division to solve for…

Q: Calculate the Cal (kcal) in one cup of whole milk that contains 19 g of carbohydrate, 9g of fat, and…

A:

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

A: The given expression is We need to calculate to correct number of significant figures.

Q: (4.123 × 0.12) + 24.2 why is the answer 25 and not 24.7? The last rule to be used is the addition,…

A:

Q: The solubility of Mg(OH), in water at 25 °C is measured to be 0.0096 Use this information to…

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Q: Ecell  Mg‎2+(aq) + 2 e- -> Mg(s)    Mg2 + |M‎g = - 2.372  Sn4‎+(aq) + 2 e- -> S‎n2+(aq)  Sn2 + , Sn4…

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and…

Q: Q7. Perform this calculation to the correct number of significant figures: 78.222 x (12.02 - 11.52)…

A: Question (7) Given that 78.222×12.02-11.52 To solve above problem we must solve first brackets then…

Q: Calculate the coefficient of variation for the following mathematical operation Fill in the space…

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Q: Please help me figure out how to put this in my calculator [0.8(1/12)]^2 The correct answer is…

A: The expression given is [0.8(1/12)]2.

Q: Perform the following calculations, reporting the answers with the correct number of significant…

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Q: 3.3 Perform the following mathematical function. Place your answer in the box at left: 0.97 51.11+…

A: =51.11 +0.972.414×0.32150×e-3.25 +1.52444=51.11 +0.972.414×0.32150×0.038774 +1.52444=51.11…

Q: A chemistry student in lab needs to fill a temperature-control tank with water. The tank measures…

A: Dimension of tank are as follows:Length = 33 cmWidth = 23 cmDepth = 9 cmDiameter of round-bottom…

Q: CI O CH₂O CH₂OH

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Q: tank contains 60 kg of salt and 1000 L of water. A solution of a concentration 0.03 kg of salt per…

A: Given A tank contains 60 kg of salt and 1000 L of water. A solution of a concentration 0.03 kg of…

Q: Perform the following calculation and input the answer expressed to the correct number of…

A: Perform the following calculation and input the answer expressed to the correct number of…

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Q: 2. Report the answers of these calculations to the correct number of significant figures: (a) 5.354…

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Q: Which of the following numbers in your personal life are exactnumbers?(a) Your cell phone number (b)…

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Q: What is the result of this expression: 3.62 x (22.3 –20.3) /0.6655=

A: The result of the expression has to be given,

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A: In the given problem, do the cube of the value andw find out the value of x.

Q: Perform the following calculations and report each answer with the correct number of significant…

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Q: An object weighs 75.7 kg. What is the weight of this object expressed in pounds? [1 pound = 454…

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Q: 1. What do we call the process by which scientists quantify their observations of their…

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Q: What is the error in the answer to the following? a) (22.10 ± 0.01) + (37.51 ± 0.02) = b) (30.88 ±…

A: The rules to addition: z+∆z =(x±∆x) + (y±∆y) z = x+y∆z = ∆x+∆y The rules of subtraction z±∆z =(x±∆x)…

Q: 21. Solve the following problems, stating answers to the proper number of significant figures: (a)…

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Q: Calculate: (-1.10 × 10³ ) (4.00 × 10¯²) Write your answer in scientific notation. 0 0.9 X

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Q: Carry out the following mathematical operations and answer the questions that follow. 33.916 x 95.7…

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Q: How can i make the answer have less significant figures and what would the asnwer be?

A: Significant figures marks the accuracy for a certain measurement. Significant figures follows…

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Q: A student dissolves 14.2 g of ammonium chloride (NH4Cl) in 200. g of water in a well-insulated open…

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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.