Perform the following calculations and round your answer correctly: a. 345 + 22.5 =  b. 22.5 - 17.36 =

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: 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: which of the following froactions is equivalent to 55%   13/25,  11/20/,  9/20,  12/25

A: Given,  13/25,  11/20,  9/20,   12/25

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: wer question numbers

A: As you have posted multiple questions in a single request, we will solve the first question for you.…

Q: Why is 4d10 not the answer? That is not the third row

A: The d orbitals filling start from the 4th period of the periodic table. And since the first d…

Q: Select one: a. 1s? 252 2p6 3s? 3p 3d6 b. 1s 252 2p5 3s? 3p6 4s23d6 C. 1s? 25? 2p5 3s? 3p63s2 3d1 d.…

A: Electronic configuration of Fe2+ : ?

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: 1. The table below shows average temperatures recorded over a five-day period last winter (a)…

A:

Q: H)=0.00000199526 c). pOH = 9.7 %3D OH =1.9952683e-10 1x 10 -14 =D5.0118724e-15

A: Given, pOH = 9.7     Required,                     Concentration of H+ & OH- ions

Q: 12. The defect depicted in the diagram below is known as... (b)

A: A fixed and regular arrangement of the atoms for a well defined structure which is known as the…

Q: How many millimeters are in 8.63×10 to the second power centimeters round your answer to the correct…

A: Given: length = 8.63×102 cm

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A: The functions of mind and body would be affected by drugs. Several people take drugs for various…

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: Part C aspirin with [H3O+] = 5.5 × 10-¹M. Express your answer using two significant figures. VE ΑΣΦ…

A:

Q: 26 TH value cEAHo Fortle fermatien of phes pheres trichleride fremits censtituent elenen- P2G)t…

A: The given equation is, P2(g) + 3Cl2(g)→2PCl3(g)

Q: But why so different from the correct answer of .56

A:

Q: A food sample with a moisture content of 13.70% is found to contain 36.18% crude protein. What would…

A: A numerical problem based on percentage composition, which is to be accomplished.

Q: Suppose Brian is in the market for a used textbook and the campus bookstore is having a sale. If the…

A:

Q: Calculate AH

A:

Q: 1. The fertilizer recommendation for a 1 hectare of rice farm during dry season is 120-60-60kg…

A: At First you have to calculate the amount of phosphorus and potassium fertilizers amount because…

Q: 7-9 Name the ff:

A: The solutions are given below -

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: 1. What is the smallest unit of life? a. Bacteria b. Virus C. ameba d. cell

A: Cell is the smallest unit of life. So, option (d) is correct.

Q: Write each answer with the correct number of digits.  a. 1.021 + 2.69 b. 4.34 x 9.20 c.…

A: Since you are posted with multiple sub-parts. As per the rule, I am answering the first three…

Q: Circle the best answer for the following multiple choice questions. 1) The percentage of Ba in BaSO,…

A: solution

Q: Evaluate the sum. (1.613×10^4)+(9.803×10^3)

A: We have given that (1.613×104) + (9.803×103)

Q: how did you get a negative answer for part a the correct answer should be 31.508

A: The given data 2 NO(g) + O2(g) --> 2NO2(g)  ∆Horxn = -12kJ and ∆Sorxn = -146J/K The standard…

Q: K₂SO3(aq) + MnCl₂(aq) → MnSO3(s) + KCl(aq) Express your answers as integers separated by commas.…

A:

Q: Answer 1 and 2

A:

Q: someone answered it but the answer was wrong. the answer is 148g Li2Co3 (please explain why this is…

A:

Q: purse Home n/course.html?courseld%3D15769386&HepID3D169f9f4bdc9f2df8dc5b7368af32865e#10001 e Home…

A:

Q: )Plz put the answer choice

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

Q: Hailey bought one TI30XIIS calculator and two packs of grid paper for Mrs. Smith's math class.  She…

A: Given, Hailey bought one calculator and two pack of grid paper by $ 17.25 and Larry bought two…

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

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Q: 153.6 37og=0,816lb

A: Given : We have to convert grams to lb.

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Q: Part A 0.282 M KCl Express your answer using two significant figures. ? Submit Request Answer

A: Given that:  Molarity of KCl = 0.282M Moles of KCl = 0.14 mol  Concentration of solution can be…

Q: Which of the following are vector quantities? Select all that apply. A. 75 mph north B. 16 degrees…

A: There are two types of physical quantities, scalar quantity, and Vector quantities. A quantity which…

Q: V = a (2r)3 %3D 8(1.69 Å)³ %3D - Part B face-centered cubic Express the volume in cubic angstroms to…

A: Face Centered  Cubic - It has lattice points on the faces of the cube.  Given r = 1.69 Å

Q: Part D [OH] = 4.0x10-11 M %3D Express your answer using two decimal places. ? pH = %3D Submit…

A: For solutions (in water) at 250C, the pH and pOH are related as- pH + pOH = 14     ----------(i) and…

Q: 1. A chemist working in a hospital clinical laboratory obtained the following values for uric acid…

A: Since you have posted multiple questions, the answer for first question is given below. Kindly…

Q: Carry out the following mathematical operations and show all your work. a. First estimate the answer…

A: Option (a): The estimated answers using powers of 10 as follows,

Q: Number 9

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