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Q: [OH ] = 3.7×10-12 M Express your answer using two significant figures. H&O'] = Submit Request Answer

A:

Q: Number 72

A: Given data: Total pressure = 1 atm  Number of atoms of He = 5 Number of atoms of Ne = 3 Number of…

Q: What is the correct answer for the following calculation: (1.25 - 0.0234) > 139.37? O 171 O 171.0 O…

A: given, (1.25 - 0.0234) ×139.37

Q: What is the difference between General Test and Confirmatory test

A: Chemistry can be defined as the branch of science that deals with the composition, and structure of…

Q: 14.34 (a)

A: The reaction given is 2 ClO2 (aq) + 2 OH- (aq) --------> ClO3- (aq) + ClO2- (aq) + H2O (l)  Since…

Q: Multiply 21.5 x 3.149 and report the answer to correct sigfigs. 67.704 6.83 67.7 0 67 70

A: On multiplying 21.5 by 3.149, we get the answer 67.704 . According to significant rules of…

Q: 27

A: For the reaction., A (aq) <-----> B (aq) ∆H= - 350kJ/mol

Q: What is the correct answer for the following calculation: (1.25 - 0.0234) 139.37? O 171 O 171.0 O…

A: According to BODMAS rule we first solve bracket and then multiply with remaining part.

Q: M-108 M+2=110 ratio 100%: 34%

A: From the intensity of peak in the mass spectrum we can identify the halogen. From the IR spectrum we…

Q: Dosage (mg/L) 1 2 Residual Cl₂ (mg/L) 0.2 0.45 3 1.05 لله 4 2.75 5 4.5 6 5.15 7 6.03

A: In the given problem we need to determine the break point dose of chlorine.

Q: ᴀ ꜱᴛᴇᴇʟ ᴛʀᴀɪɴ ʀᴀɪʟ ɪꜱ 400 ᴍᴇᴛᴇʀꜱ ʟᴏɴɢ, ɪɴ ᴍᴀʀᴄʜ ɪᴛ ɪꜱ -30 ᴅᴇɢʀᴇᴇ ᴄ ᴀɴᴅ 40 ᴅᴇɢʀᴇᴇ ᴄ ɪɴ ᴊᴜʟʏ. ᴡʜᴀᴛ ɪꜱ…

A: Detailed solution is provided.

Q: Unknown A 12 20 15 25

A: The titration curve given is,

Q: Calculate the percent error for magnesium carbonate with a measured percent magnesium of 29.4%.…

A:

Q: What is the correct answer to the following calculation? Select all answers that apply. Sig figs…

A: During division of two values the result must contain the number of significant figure equal to the…

Q: 37. SOC, 38. 39. 0ータ

A:

Q: 110 40 21 FA - Gen Chemi x A ALEKS - Melanie Buzzard-Learn x My Questions | bartleby M Inbox (796) -…

A:

Q: 30 25 20 > 15 10 10 Complete the equation for the graph v-0 2.

A: In the graph which is a straight line graph, five points are given. we know that the slope of the…

Q: [At+3]? =4. 56 × 1010 3 [2.91x10-4] 3 [Al+3]²=4. 56 × 1010 × [2. 91 × 10-4] =4. 56 × 1010 × 2.464 ×…

A: The corrected solution of above solution is explained in next step.

Q: Test Tube Volume Volume of Water Added Syringe Reading (mL) V w Total Air Volume Trial (mL) V t (mL)…

A: Boyel's law : It states that the temperature always remains constant when the volume of given mass…

Q: estion 20 Question 19 Consider the standard curve of DCIP (2,6-dichlorophenol indophenol) shown…

A: 19) The relation between the absorbance and concentration of a compound can be shown by the…

Q: Given the following data, calculate the 95% confidence interval. 0.452    0.453    0.448    0.456…

A: Given ,  Average = 0.4534  Standard deviation = 0.003847

Q: Experimental data: [A] 0.015 [B] 0.015 Rate (M/min) 3.75 0.025 0.015 5.61 0.015 0.025 7.92

A:

Q: 52 50- 48- 46- 44 %T ransTmittance 54 3853.08 3744.19 3675.00 3648.53 6.42 2925.17 2855.10 2159.02…

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: Q2 B: What is the relative standard deviation, for the following data: 3.80, 3.941, 3.107, 3.656…

A:

Q: (2.6*10^-6)*(2.02*10^4)

A: (2.6*10^-6)*(2.02*10^4) = =(2.6×10-6) × (2.02×104)=(2.6×2.02) × 10-6+4=5.25×10-2

Q: A cvg.cengagenow.com/ilrn/takeAssignment/takeCXPCompliantActivity.do?locator%3Dassignment-take…

A: The aluminum in a package containing 77 ft2 of kitchen foil weighs approximately 19 ounces.  Density…

Q: 10 9 d (ppm) 3₂ 2 7 6 5 1.00 4 1.00 3 1.50 1.50 2 0

A: As per the rules, only the first question can be answered.

Q: Number 7

A: Answer No.7 In this question the potential energy vs progress of reaction, we are been given two…

Q: What is the answer of the following calculation:- 17 - 5.347 + 2.9 14.55 O 15 14.5 O 14.553 14.6

A:

Q: The answer must be 8.98*10^-14 ng H

A: We have to calculate the mass of H in 36.9 pg of strontium phosphide pentahydrate.

Q: Multiple Choice 41 52 0.49 5.8 x 10-3 4.6 x 10-3

A: Given,  Kp = 0.49 Temperature = 1024 °c = 1297 K R = 0.0821 atm-L/mol-K □ng =change in gaseous moles…

Q: I need 22,23,24,25

A: 22. Enzymes are called as biological catalysts which are proteins in the composition. These enzymes…

Q: 1. 51Cr + 0 е-> 24 __+y

A:

Q: 31 15

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

Q: Answer 1 and 2

A:

Q: [он] - 7 х 105 м pH = 4.2 [н]3 1 х 1010М РОН 3 6.7

A: Basic solution which have pH greater than 7. Acidic solution has pH solution less than 7. And…

Q: what if it became 0.6 A what is the answer

A:

Q: 57 43 41 29 :- 20 60 80 100 40 m/z 43 71 20 40 60 100 m/z

A: Different fragments having different mass/charge (m/z) ratios are obtained in mass spectroscopy and…

Q: No 13

A: In the redox reaction, the oxidation and reduction reactions occur simultaneously. The oxidation…

Q: Q5: Select the correct answer for the following multiple-choice questions: 1. Asphalt penetration…

A: The penetration test was first invented by Barber asphalt paving Company in 1888. The principle of…

Q: uncertain number of 23.172

A:

Q: Given the data obtained from the voltmeter ranking of metals, calculate the standard deviation for…

A: Given: The given data is:

Q: Number 9

A: Ionic compounds are formed when cations (positively charged ion ) combines with anion ( negatively…

Q: burette reading

A:

Q: %Lysis СОMP 250 COMP 100 СOMP 20 n=1 87.77 81.73 65.8 n=2 81.71 50.45 63.7 n=3 86.64 55.38 59.4 n=4…

A: The solution of the question is given below:

Q: Calculate the RSD of the data below. 70.24, 70.22 and 70.10

A:

Q: Question 3 The literature value of R is 0.08206 Latm/molK Your experimental value is 0.08012. What…

A: Given :  Theoritical value of R = 0.08206 L-atm/mol-K  Experimental value of R = 0.08012 L-atm/mol-K…

Q: Estimated volume of crucible 25.0 mL  measured volume of crucible 23.0 mL  percent error of…

A: % error=accepted value-experimental valueaccepted valuex100 %

Q: 5

A: Huckel's theory was proposed to explain the importance of conjugated systems and extra stability by…