baking soda, (OH ]-4.7 x 10-0 M Express your answer using two significant figures. VO AEO ? [1,0 ]- M Submit Request Answer - Part B blood, [OH ]-2.6 x 10-7 M Express your answer using two significant figures. [4,0 ]- M Submit Request Answer

Q: c. You make a 100 mL, 1 mM solution of glycine in water using a balance with an uncertainty of 0.1…

A:

Q: oven cleaner, with [H3O*] = 1.0 × 10-12 M Express your answer using two significant figures. ?…

A: We know that   [H3O+] [OH-] = 10-14

Q: 548.8 + 0.2 x 55.4±0.6 (1142.9 ± 0.6 – 171.0±0.5) ANS: Absolute uncertainty: Percent uncertainty:

A: The value which gives the range of true value when combined with reported value is known as absolute…

Q: • Part D Hg (1) + HgCl, (aq) → Hg,Cl2 (s) Express your answer using ftwo significant figures. ΑΣφ ?…

A: The given reaction, Hg(l)+HgCl2(aq) → Hg2Cl2(s)

Q: Constants Tigures Part A while 600 x 195 Express your answer with the appropriate number of…

A: Rules for significant figures in Multiplication and Division. First determine the significant…

Q: • Part B O2 (8) +2H20 (1) + 2Cu (s)+40H (aq) + 2Cu (aq) Express your answer using two significant…

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Q: Round off or add zeros to the following calculated answers to give a final answer with three…

A: Given calculated answer,        125444 m

Q: 0.000 012 56 L Express your answer using three significant figures. L Submit Request Answer Part B…

A: Given: 0.00001256 L it has 9 significant figures it can be written as  1.25 x 10-5 L has only 3…

Q: mol stock solution of zinc nitrate in L A chemist makes 580. mL of zinc nitrate (Zn(NO,).) working…

A: The method through which the specified stock solution's strength gets lowered is termed as…

Q: 2300 + 146.11 significant figures express your answer with the appropriate number of sig figs

A: A significant figure is defined as the digit which denotes the least number of digits that can be…

Q: 4 NO2 (g) + 2 H2O (1) + O2(g) → 4 HNO3 (aq) Express your answer using one decimal place.

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Q: 562+7.1-50.003 Express your answer to the appropriate number of significant figures.

A: Calculate 562+7.1-50.003 Express your answer to the appropriate number of significant figures?

Q: 2×10−5)(5.09×104) (7.70×10−8)   Above is listed as a fraction

A: Applying concept of significant figures.

Q: baking soda, [OH ]= 4.7 x 10- M Express your answer using two significant figures. | ΑΣφ ? M Submit…

A: [OH-] = 4.7 X 10-6 M first we will calculate pOH  pOH = - log [OH-]         = - log 4.7 X 10-6…

Q: (OH] = 3.1x10-10 M Express your answer using two significant figures. ? [H3O*] = M %3D

A: Given  [ OH- ]      =  3.1 × 10-10 M  [ H3O+ ]    = ?

Q: Round off or add zeros to the following calculated answers to give a final answer with three…

A: For significant figures, we need to analyse the number of digits if there are scientific notations.…

Q: Two students, each made four measurements of the mass of an object. Their results are shown in the…

A: Accuracy : this represent the result how closely to standard Value. Precision : This represent the…

Q: 6.9 g H2O Express your answer using two significant figures. ΑΣΦ ? Ni = Submit Previous Answers…

A: Moles: It is one of the fundamental unit that is used to define amount of substance. It can be…

Q: When you perform the following operations, how many significant figures should your answer have?…

A: Given : 39.20 dm +  10.000 m  =?

Q: Please show work  step by step B.1  Multiplication and Division Perform the following…

A: Addition (or) Subtraction :   the answer must be Same number of decimal places   as There is in…

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: Write the correct answer (significant figures) for the following calculation  2.45 * (57.01-…

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Q: 3 NO2 (g) + H20 (1) → 2 HNO3 (aq) + NO (g) Express your answer using one decimal place.

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Q: (2×10^−5)(5.09×10^4) (7.70×10^−8)   Above is listed as a fraction   Express your answer using the…

A: In division , the result will contain the least no. of significant figure among the given numerator…

Q: 3.32 x 10- g to micrograms Express your answer to three significant figures and include the…

A: Given : Value in grams = 3.32 X 10-5 g

Q: Present each answer in significant figures 3+ 9.6+392.76= 546/9.99=

A: Fir addition, answer should be in least decimal number.  For division, answer should be equal with…

Q: I need help filling this metric system table for my chemistry class s                         ms…

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Q: K = 1.8x10-28 Previous Answers v Correct Correct answer is shown. Your answer 1.78-10-2 = 1.78x1028…

A: We have to find the value of equilibrium constant.

Q: 3.2x1022 H2O molecules Express your answer using two significant figures. ΑΣφ ? m2 = 9.6 %3D Submit…

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Q: A graduated cylinder was filled with water to the 17.2 mL mark and weighed on a balance. Its mass…

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Q: A conversion factor is a fraction with one unit on top and a different unit on the bottom. True…

A: Answer Conversion of Fractions means to change the…

Q: Express the answers to the following operations with the proper number of significant figures. A.…

A: In addition and subtraction, the answer should be in the significant figures that are minimum for…

Q: In a similar experiment, a pair of students was asked to measure out 10.00 mL of water using a 25-mL…

A: Accuracy refers to closeness to the actual value. Precision refers to closeness among observed…

Q: Part A baking soda, [OH-]= 4.7 x 10- M Express your answer using two significant figures. ? [1,0"] =…

A: Part (A) OH- = 4.7 × 10-6 M

Q: (4.3)(0.267) (7.40)(30.0) Above is written as a fraction Express your answer using the correct…

A: There must be lowest no. of significant figures ( given in the data ) in the answer .

Q: Bud N. Chemist must determine the density of a mineral sample. His four trials yield densities of…

A: Given:- =>trials=>a)5.27gm/cm3                   b)5.28gm/cm3                   c)5.27gm/cm3…

Q: baking soda, [OH ]= 2.1 × 10-6 M Express your answer using two significant figures. (H3O*) = M…

A: The value of hydronium ion can be calculated by using formula  [H3O+][OH-]= 10-14

Q: Q1 A pencil is 16.2 cm long. What is its length in inches?           Q2 A person has a mass of…

A: Solution A unit conversion expresses identical property as a unique unit of measure. as an example,…

Q: The last person that did problem got it wrong. They said that my answers were right but they are…

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Q: Two students determine the percentage of lead in a sample as a laboratory exercise. The true…

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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: Part C 4 Cr(s) + 3 O2(8) → 2 Cr2O3(s) Express your answer using four significant figures. Submit…

A: Given, 15.08 g of underlined reactant reacts completely in excess of other reactants.

Q: 6.8×10−3 molC Express your answer using two significant figures.

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Q: Compute 4.659 x 104-2.14 x 104. Round the answer appropriately. Express your answer as an integer…

A: From given  We are going to subtract the two values given and round off to their significant figures

Q: A mixture that is 5.2x10-2 M in NaC,H3O2 and 5.4x10-2 M in Ba(C2 H302)2- Express your answer using…

A: Given, [NaC2H3O2]=5.2×10-2M[Ba(C2H3O2)2=5.4×10-2M

Q: Solve with correct significant figures and units 2. 58.00mg - 45.22 microgram

A: We have to predict the answer with units and Sig figs.

Q: ▼ ▼ Part A NaOH with [OH-] = 1.4 x 10-²M Express your answer using two significant figures. 15. ΑΣΦ…

A: we have to calculate the hydronium ion concentration

Q: #7 Round off each of the following measurements to three significant figures:  0.00894753 cm.…

A: There are six significant figures in 0.00894753. To convert three significant figures round off…

Q: Convert -66.54 °C to K. Provide an answer with TVWO decimals. Your Answer:

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Q: 789 mK/s to K/s. Express your answer using three significant figures.

A: Conversion of units :- This can be done by a method called unit factor method or called…

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.