What is the correct scientific notation for 0.00541cm? Use "E" to indicate the base (x10).

Q: The gas density of water in a room measuring 4.12 m x 6.44 m x 5.39 m is 1.08 ug/cm3. Calculate the…

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Q: Do the following calculation and report your answer with the correct number of significant figures.…

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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: The length of a 262 mm line can also be expressed as: (choose one of the choices) Hint: you must…

A: Given 262 mm  Check each unit one by one in options.

Q: Questions: 1. Based from the given problem, What is the molecular weight  of the tartaric acid…

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Q: Need help with this textbook question thats been giving me hard time. Please show steps. calculate…

A: Given question, ln3.861.00=362.8×1038.314298.1-1-x-1 To convert ln into log, we have to multiply it…

Q: A Moving to another question will save this response. Question 21 Make the following calculation and…

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Q: E. A student is told to determine the density of a solid unknown cylinder. The mass of the unknown…

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Q: Example: Use 1.20E-4 NOT 0.120E-3 or 12.0E-5 (i) 0.0661 (ii) 3410 (b) Write the following numbers in…

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Q: To divide numbers in scientific notation: divide the digit terms and subtract the exponents. (A x…

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Q: A chemist prepares a solution of mercury(I) chloride Hg2Cl2 by measuring out 0.000957μmol of…

A: The concentration is approximately 3.83 x 10-9 mol/L

Q: n in scientific notation

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Q: Wt of precipitate (Silver chloride) MW of silver nitrate MW of silver chloride Meg silver nitrate…

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Q: TV waves travel at the speed of light (“c”), roughly 3.00 x 108 m/s. How long does it take for a Tv…

A: Given: Speed of TV wave=Speed of light (“c”)= 3.00 x 108 m/s. Distance between the edge of our solar…

Q: The dosage of technetium-99m for a lung scan is 20.0 µCi/kg of body mass. How many millicuries (mCi)…

A: The dosage of technetium-99m for a lung scan is 20.0 μCi/kg of body mass.174.00-lb person…

Q: Very large and very small numbers are easier to write in scientific notation. For example, the…

A: Exponential notation for a number can be written in such a way that large numbers are written in…

Q: (5.0 × 104) × (3.0 × 106) =  a. 1.5 x 10^9 b. 1.5 x 10^10 c. 1.5 x 10^11 d. 1.5 x 10^12

A: The calculation given is, => (5.0 × 104 ) × (3.0 × 106)

Q: A chemistry student needs 80.0 g of dimethyl sulfoxide for an experiment. By consulting the CRC…

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Q: A jet airplane reaches 865. km / h on a certain flight . How long does it take to cover 459. m? Set…

A: The objective of the question is to find out the time it takes for a jet airplane to cover a…

Q: An electric current transports 200. µC of charge in 13.0 seconds. Calculate the size of the electric…

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Q: Calculate u of 1 mole of helium gas at the top of a mountain (7000 m) under the assumption that the…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Convert (7.27x10^2) nm into SI units using scientific notation.

A: We have to Convert (7.27x10^2) nm into SI units

Q: The length of a 262 mm line can also be expressed as: (choose one of the choices) Hint: you must…

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Q: Convert (4.3918x10^6) Zb (zulbars) to feet.  Some conversions: 5280 feet = 1 mile; 1 furlong = 10…

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Q: 865×[1259−(3.98×106)]. Express your answer to the appropriate number of significant digits.

A: In this, first subtraction has to be done.  The values given in the brackets is multiplied and then…

Q: Wt of precipitate (Silver chloride) MW of silver nitrate MW of silver chloride Meg silver nitrate…

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Q: A Chemistry 20 student uses a thermometer and a hot plate and measures the boiling point of ethyl…

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Q: Table: Data Wt of KHP (g) MW of KHP meg, of KHP Volume of sodium hydroxide solution used (ml)…

A: Given: Data Trial  wt of KHP 5g MW of KHP   meg of KHP   Volume of Sodium hydroxide…

Q: Suppose you are trying to find the volume of a box based on the given measurements for the length,…

A: Given,length, l = 2.20 inwidth, w = 3.71 inheight, h = 10.4 in + 1 in

Q: the electric current.

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Q: From the equilibrium values Kb [4.79x 10-6+x] x [4.79 × 10-6+ X [0.8037-x] = 4.72 x 10-10 On solving…

A: x is the degree of dissociation

Q: (282.7×105)−(1.100×103)]×2.8990 Express your answer to the appropriate number of significant…

A: Significant figures are used to describe the degree of accuracy of a given answer.

Q: A Chemistry 20 student uses a thermometer and a hot plate and measures the boiling point of ethyl…

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