Perform the calculation and record the answer with the correct number of significant figures. (34.123+7.10)/(98.7654-5.049)=?    ( / means divided by)

Q: 3) A vial containing 200 mg hydrocortisone sodium succinate powder for injection is to be…

A: The addition of 3.9 ml of the water will make the final volume of injection 4 ml.

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A:

Q: An electric current of 26.30 A transports 350. µC of charge. Calculate the time this toc Be sure…

A:

Q: Express 96.342 m using 2 significant figures

A: We have to express the given number  in two 96.342 in 2 significant figures

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Q: In which pair of numbers do both values contain three significant figures? 540 and 544 50.4 and…

A: Rules for significant figures: 1. All non-zero digits are significant. 2. leading zeroes are not…

Q: The radius of a dust speck is 4.5 * 10-3 mm. What is the correct value of thisnumber in decimal…

A: Given The radius of a dust speck  = 4.5 x 10-3 mm

Q: Question is mentioned in the attached

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

Q: Perform the following calculation: g -0.00030- x 20.0°C °C x cm³ What is the answer to the…

A: Multiplication and division of significant figures :- The result of multiplication or division…

Q: Solve the following equation for the unknown value, T (round off the answer no decimals) (4.184)…

A: The detailed solution of your question given below-- For this type question we can easily calculate…

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A:

Q: How many joules are in 6,458 Cal? Express your answer in scientific notation with the correct number…

A: Given:Energy in calories, E=6458 Cal we know that,1cal = 4.184JTo convert the given calories in…

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Q: How many grams of N a Cl would need to be added to 345.00 grams öf wäter to lower the freezing point…

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Q: Part A pH 9.0 Express your answer using one significant figure. (H3O*] = M Submit Request Answer…

A: The pH of a solution measures the hydrogen ion concentration on the negative logarithm scale. It can…

Q: Solve for ? and ? in the given expressions. Express these answers to the tenths place (i.e., one…

A: Given information, Log(x) = 0.75 In(y) = 0.75 The given expressions for the values of x and y are…

Q: During the experiment, you recover 4.7 mg of Fe by testing 100 mg of powder. Assume a full pill…

A:

Q: Is the use of significant figures in each of the following statementsappropriate? (a) The 2005…

A: Hey since you have posted a question with multiple sub-parts, we will solve first three sub-parts…

Q: 9. Express 96.342 m using 2 significant figures The answer is

A: Rules for determining significant figures : 1) All non zero digit are significant. Example, 123…

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 .

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A: The data given is,

Q: (a) The diameter of Earth at the equator is 7926.381 mi.Round this number to three significant…

A: (a) Given, diameter of earth = 7926.381 mi which is approximate equal to 7930 mi. Hence, the…

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A: The solution is as follows :

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Q: If a temperature in degrees Fahrenheit is 517 then it is _____ degrees in the Celsius scale. answer…

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Q: The relative error for the following data below is: 39.63, 39.61, 39.05, 39.08 (the true accepted…

A:

Q: What is the temperature of the ocean in kelvins if it is 76°F?

A: The fraction or ratio that represents the relationship between the two different units is known as…

Q: appropriate number of significant figures.

A:

Q: During the experiment, you recover 7.6 mg of Fe by testing 100 mg of powder. Assume a full pill…

A: Given Mass of Fe recovered = 7.6 mg Mass of Fe in 300 mg pill = 27 mg

Q: 4. The results of the analysis of a metal alloy were reported in terms of percent Cu (%Cu). The…

A: Mean = Sum of all the terms / Total no of terms

Q: The Empire State Building is 443.2 meters. The height of Kilimanjaro is 19,341 meters. (a) Express…

A: Given: The height of the Empire State Building =443.2 m The height of Kilimanjaro =19,341 m These…

Q: YouTube Maps MyCSU Columbus... - B Homepage - Georg... W Microsoft Of MATTER mass percent…

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Q: How many significant figures does 3.005 have?

A: Digits which are responsible for contributing the degree of accuracy of a value are called…

Q: What is the molar mass of alanine, C3H7NO2? • Write your answer using ONE decimal place, even if…

A: Given, Molar mass of Alanine, C3H7NO2 = ? Note:  Atomic mass of C = 12.01 g/mol Atomic mass of H =…

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

A: The significant figure rule for the division and multiplication is that the final number should…

Q: The number 37.84637 rounded to 5 significant figures is When 12.9 is subtracted from 64.657, the…

A: we have to complete the given statements

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A: Scientific Notation: In science when the number is too large or too small to perform any…

Q: Round each of the following numbers to four significant figures and express the result in standard…

A:

Q: How many significant figures does the number 5.0000 have

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Q: 263.3 mL of H2O at 18.17 °C is heated to 42.56 °C. How many kJ of heat did it gain from the…

A: We know,  q=c×m×∆T =>q=4.184J/g°C×263.3g×(42.56-18.17)°C

Q: How many significant figures are in 9630.0010? (numerical answers only) N

A: Given,  How many significant figures are in 9630.0010 ?

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A: 1 ppm = 1 mg/mL ; ( 1mg of solute is present in 1 mL of solution) If water is the solvent then: 1…

Q: Express 96.342 m using 2 significant figures   The answer is ……………………………….

A: Given data is 96.342 m  All digits of this number are non-zero Number of non-zero digits in this…

Q: 3. The number of significant figures in 0.090900 * 10^-4 is

A: Rules for finding number of significant digits are:1) All non zero digits are significant2) Zeroes…

Q: Based on the given data, what is the Àmax of copp 0.1 M Copper 300 0.157 325 0.233 350 0.465 375…

A: Given : We have to tell lambda max for 0.1 M copper.

Q: Solve the following equation for the unknown value, T. (round off the answer, no decimals) (4.184)…

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Q: The table below shows the temperature data for a corn field in the month of April. From thace data,…

A: Growing degree units : During the growing season of plants and crops , it is the unit to monitor…

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.