Find logarithms of the following numbers. Use the correct number of significant figures in your answers  76.84 4.22 x 106 0.000056 Find the anitlog of each of the following logarithms  0.9569 -5.773 6.32

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: 20. In mathematical operations involving antilogarithm (In your calculator, press shift log), the…

A:

Q: Perform the calculation, rounding your answer to the proper number of significant figures. 0.120 g+…

A: During addition or subtraction, the answer should contain the same number of decimal places as the…

Q: Evaluate the following expression to the nearest whole number: 6⁶ × 6⁻⁴

A: Note: Since we solve one question at a time, we’ll answer the first question as the exact one wasn’t…

Q: Write each of the following numbers as “ordinary” decimal numbers.   6.244 x 103   9.117 x 10-2…

A: The given scientific notation is 6.244 x 103, to write the ordinary decimal notation, the decimal…

Q: Determine the slope of this line. Calculate Ea KJ / mol The slope is y = 7097.3x - 17.85

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Q: mol stock solution of silver A chemist makes 590. mL of silver perchlorate (AgClO,) working solution…

A: • The values provided in the question are:-  i) Initial volume of silver perchlorate solution ,V1 =…

Q: Answer the question in the correct amount of significant Figures(12.345+13.45 )2 - 1.0a) 6.66 x 102…

A: Given,

Q: Perform the following calculation, reporting your answer to the correct number of significant…

A: Rules for significant figure All non zero integer are significant Exact number have unlimited…

Q: logarithm number or significant figures? [3 min] A 2 В 2.0 С 2.00

A: Significant numbers help in expressing the digit or value of something with more accuracy. It starts…

Q: Complete the following mathematical operation and answer with the correct number of significant…

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Q: Perform each calculation to the correct number of significant figures. (1.5×10^6÷2.93×10^5)+7.33

A: Try to solve this problem step by step as follows :  = (1.5 × 106 ) ÷ (2.93 × 105 ) = 0.51 × 10  =…

Q: Lab Data Verify your volume measurement Verify your calculation Did you report your data to the…

A: Please find the attachment.

Q: What is the area of the shaded region? 32.1 km 32.1 km 21.4 km 21.4 km Write your answer as a whole…

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

A: The round of the numbers is given below,

Q: Carry out each calculation and report the answer using the proper number of significant figures.…

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Q: 3) perform the following calculations and round each to the correct number of significant figures.…

A: A- 410.777----->410.8 B-1.002095558------>1.0021

Q: Perform the following and give your answer with the proper number of sigifigs 0.02070 ÷ 4.50…

A:

Q: Part A [H3O+]=4.7 x 10-8 M Express your answer using two decimal places. pH = pH = [H3O+]=3.0 x 10-³…

A: pH : pH can be defined as the negative logarithm of H+ ion or H3O+ ion concentration pH = -log[H3O+]…

Q: What is the result of the following arithmetic operation? (1.369 + 0.56) / 20 = ? O 0.0964 O 0.096 O…

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Q: What is the numerical value of 1.2 x 1.222? Express your answer using the correct number of…

A: To solve this we have to consider the significant figure rule of multiplication i.e we have to give…

Q: A chemist must dilute 18.7mL of 23.4μM aqueous mercury(II) iodide HgI2 solution until the…

A:

Q: bleach, [OH ]= 2.9 × 10–3 M Express your answer using two significant figures. ΑΣφ a Xb

A: [ HO -] = 2.9 x 10-3 pOH= - log [ HO -] = -log 2.9 x 10-3 = 2.537   pH = 14 - pOH =(14 - 2.537  )…

Q: 14.3476 +2.67 Express your answer in appropriate significant figures. 953.2140.7329 Express your…

A: Significant figures: The number of digits that are used to express the quantity. Appropriate…

Q: Calculate the following mathematical expression with the correct number of significant figures:…

A: We have to calculate here the given mathematical expression with the correct no. Of significant…

Q: 0.15 M NAC2H3 O2 Express your answer to two decimal places. ? pH =

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Q: e the molarity (M = moles/L) of the NaOH solution to the correct number of significant figures. %3D

A:

Q: The radius of a helium atom is 31 pm. What is the radius in nanometers? (pico = 10-12; nano = 10-9

A: This question can be solved easily via dimensional analysis.

Q: What is 3/4 cup packed brown sugar converted into nanograms? 1 cup brown sugar = 213 g  1 nanogram…

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Q: Part C 0.115 M pyridine (C,H;N). Express your answer using two decimal places. • O D) ? pH =

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Q: 0.17 M NaCl Express your answer to two decimal places. pH =

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Q: to the correct number of significant figures: 1.285 x 102 - 1.24

A: * Significant figure are number which are meaningful  in measurement  in term of accuracy  or…

Q: appropriate number of significant figures.

A:

Q: Write each of the following numbers in standard scientific notation.   97,820   42.14 x 103…

A: 1)  97,820 Ans:  9.7820 ×104 2) 42.14 ×103 Ans: 4.214 ×104 3) 0.08214×10-3 Ans: 8.214 ×10-5 4)…

Q: The density of a pure substance is its mass per unit volume. The density of ethylene glycol has been…

A: given density = 1097 g/L volume = 205 ml

Q: 0.11 M NaCl Express your answer to two decimal places. ΑΣφ ? pH =

A: We have to find the pH of 0.11 M NaCl

Q: Perform the calculation to the correct number of significant figures.  (8.111-7.50)/3.002

A: The given arithmetic expression is, (8.111-7.50)/3.002

Q: where did 6.022x10^23 came from in step 2 for this question

A: For the given problem: The number of moles of PbI2 is calculated first. Now, 1 mole = 6.022 x 1023…

Q: A chemist must dilute  49.9mL  of  973.mM  aqueous aluminum sulfate  Al2SO43  solution until the…

A:

Q: Perform each of the following calculations to the correct number of significant figures. 1.…

A: In addition or subtraction, the final result should be upto the same number of decimal places as are…

Q: [H*] [OH"] pH pOH 1. 32. 9.5 | 33. 4. 35. 36. 8.1 7. 38. 6.9 39.

A:

Q: involving logarithm, the rule is to retain as many decimal places in the result as there are…

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Q: Volume of Water(mL)=100mL Initial temp of water (C)= 21 C degrees Mass of metal(g)=2.9grams Final…

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Q: Calculate the following with correct significant figures: (103.482 + 11.0+0.8) (3.29–10.0) -17 O…

A: We have to solve the equation with correct sign figs.

Q: Perform the following calculation to the correct number of significant figures: 453 / 2.031

A: Given calculation,         453 / 2.031

Q: Perform the calculation and round the answer to the correct number of significant figures.…

A: Round the difference or sum to the same number of decimal places as the measurement with the fewest…

Q: A. Rounding Off A.1 Rounding A student rounded off the following calculator displays to three…

A: Rules for significant figure  All non zero integer are significant  Exact number have unlimited…

Q: Evaluate the expressions and report the answer to the proper number of significant figures. 101.27 =…

A: All the results in the calculations must be expressed in scientific notation. In the scientific…

Q: 1222.5+6.24+3.88 Express your answer to the appropriate number of significant figures.

A: There is an addition of 3 numbers.

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.