You have a 1:5 dilution. Describe how you would make a 1:100 dilution.

Q: Determine the mass in grams of 6.26 × 1021 atoms of arsenjc. (The mass of one mole of arsenic is 74....

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Q: mass

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Q: Food rots about 30 times more rapidly at 25 °C than when it is stored at 6 °C. Determine the overall...

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Q: n the calorimetry experiment was used to measure the heat of reaction for an endothermic process, wh...

A: Since you have posted multiple questions, we are entitled to answer the first only.  

Q: Rank the following isomers of C,H18 in terms of their boiling points. 2,4-dimethylhexane octane 4-me...

A: The isomers of C8H18 given are,  

Q: Correct the ones that are marked wrong:

A: 1 (b)                                                     BaSO4(s) + HCl (aq) -----------> No rea...

Q: Give the functions of the following ingredients, then name a branded/commercial skin or hair care pr...

A: The  ingredients given in the question are generally used in skin care or hair care etc.Let's discus...

Q: Detailed information about John Dalton should include some biographical information (socioeconomic b...

A: John Dalton was the youngest of their three offspring who survived to adulthood.Dalton was born into...

Q: It is desired to prepare polyester with the number average molecular weight, Mn- 5000 g/mol by react...

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Q: 1. Determine whether each of the molecules is aromatic, nonaromatic, or antiaromatic.

A: Aromatic compound are those compounds which are cyclic , conjugated, plannar and follow Huckel's rul...

Q: 20. Which is the most polar bond? (а) С-С (b) С-Н (c) N-H (d) О-н (e) Se-H

A: Relationship between polarity of bond and electronegativity difference (∆EN) Polarity of bond can be...

Q: What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen and 48.68% fluori...

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Q: Part C A carbon skeleton for cyclohexane is shown below. Where on that skeleton would the substituen...

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Q: 1. In classical Physics and general Chemistry, matter is any substance that has mass and takes up sp...

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Q: 3. Oxazolidines are important synthetic precursors for the production of drugs. The reason is that t...

A: Here we are given with organozinc reagent, we have to utilize it and have to make the reaction. 

Q: A nitrogen sample occupies 246 mL at STP. If the same sample were collected over water at 25°C and 6...

A: For the phase change of the ideal gas the temperature, pressure, and volume of the initial state and...

Q: (2) Write the preliminary one pair of electron dots between each pair of bonded atomic cores. Figure...

A:                           Valence electrons present in each H atom = 1                Number of H at...

Q: Give the major products for the reactions

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Q: 2. What would be the effect on the molar volume if oxygen instead of hydrogen gas (as in equation be...

A: ANSWER : There will be no effect on the molar volume , if oxygen gas instead of hydrogen gas had bee...

Q: Be + 2 HCl --> BeCl2 + H2            My theoretical yield of beryllium chloride was 10.7 grams.  I...

A: Since you have posted multiple questions as per guidelines we can answer only one per session . If y...

Q: Reactants Net Ionic Equation: 3a CoCl(aq) + KOH (6M) -> Co lag) + 2 0H (aq)> Co(04),(6) Co(OH)26) +H...

A: Here we have to find the incorrect net ionic equations.

Q: Nitrogen and hydrogen react to form ammonia gas according to the following unbalanced equation: N2...

A: Given, N2 + H2 → NH3 Mass of Nitrogen gas (N2) reacts = 2.7 g Hydrogen gas (H2) - excess reactant  N...

Q: when you pour one cup of tap water into a transparent bottle, and add one small drop of food colorin...

A: Given: You pour one cup of tap water into a transparent bottle and add one small drop of food colour...

Q: (a) The quantum number n describes the. * an atomic orbital and the quantum number e describes its o...

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Q: Enter your answer in the provided box. What is the boiling point of 0.800 m lactose in water? (K, fo...

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

Q: letter = e value = OMIT )nodal planes = ) (f) An atomic orbital that has three nodal planes is (g) W...

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Q: At 906.4 °C, the equilibrium constant K, is 4.81 × 10-5. What is the value of K? 4624.7

A: We have given  N2(g) + 3H2(g) <-----> 2NH3(g)   At 906.4°C  Kp = 4.81 × 10-5  What is the Kc i...

Q: Is the unusual dication below aromatic/non-aromatic/anti-aromatic? Anti-aromatic; the overlapping p ...

A: Aromatic compound:  Those molecules that follow the huckle rule. condition: 1) cyclic molecule  2) c...

Q: MİCRONS 5.5 2.5 100 26 27 28 2,9 3 3.5 4,5 11 12 13 90 70 50 40 30 20 1773 cm 10 3800 300 3400 3200 ...

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Q: What number of molecules (or formula units) are present in 2.25 g of each of the following compounds...

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Q: Topic : PHASE e) What is difference between the triple point and critical point explain with exampl...

A: Part e :-  Triple point :- In phase diagram it is defined as the point of particular temperature and...

Q: Which ion would you expect to be smaller in size—I− or Br−? Explain.

A: Among the elements in the periodic table, the size of the elements increases as we go down the group...

Q: Consider the following data on some weak acids and weak bases: acid base K. name formula name formul...

A: The solutions given are, And the data given is,

Q: At a given temperature, 4.595 atm of F2 and 5.404 atm of Br2 are mixed and allowed to come to equili...

A: Given : We have to calculate Kp for the reaction.

Q: Refer to the number ndnds (2 and Use the drop-down features to describe the two curved arrows that s...

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Q: Quiz: Name the ionic compound CI -1 K +1 (SO.)-2 Ca +2 Al+3 (NH,)+1

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Q: Predict the major product(s) you would obtain from sulfonation of 1-bromo-2-methylbenzene. • You do ...

A: Given that : We have to predict the major product(s) obtained from the sulfonation of 1-bromo-2-meth...

Q: [4] The reaction: 21 (aq) + S2O;²-(aq) → I½(aq) + 2SO,²-(aq) is first order with respect to I and fi...

A: Given: The equation of the straight line for ln K v/s 1/T is y = -5781.8 x + 14.1 

Q: QUESTION 1 You started with 100g of an isotope and, after 36, days you are left with 6.25g. What is ...

A: Question-1 Radioactive disintegration processes are first order reactions. Initial mass of isotope =...

Q: What is the percentage composition of: (a) Cl in Chloric acid (Cl=35,H=1, O=16) (b) Na is sodium pho...

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Q: 1. Adding a solute to a solvent freezing point because the chemical the forces between the makes it ...

A: Given: Effect of adding solute on the freezing point of the solvent.  

Q: Draw the major product(s) of the following reaction. KMNO4 H20

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Q: a) Propose a synthesis route to prepare the following product from the given starting material. Note...

A: The key intermediates formed in this reaction are alcohol, aldehyde, chlorobenzene derivative, carbo...

Q: Intensive (2) extensive

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Q: - Provide a product for the following reactions. 1. Mg TMSO Br 2. PHCHO 1. HSCH,CH,SH 2. t-ButOK 3. ...

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Q: what was johns dalton initial research focus was and what he eventually contributed to early atomic ...

A: Johns dalton first introduced atomic theory in chemistry.He gave three laws.These are i-Law of Conse...

Q: Options for 1)higher or lower Options for 2)higher or lower Options for 3)weaker or stronger

A: The answer is as follows:  

Q: Consider the gas-phase reaction, 2 SO2 + O2 ⇄ 2 SO3, for which Kp = 2.0 at a given temperature. If t...

A: The equilibrium reaction given is, => 2 SO2 + O2 ⇄ 2 SO3  Given: Kp of the reaction = 2.0 Pressur...

Q: HO PPM

A: The given NMR spectra correspond to the alcohols and iodides with variable number of carbon atoms. 

Q: scenario 1: pushing the plunger with only air in a syringe. scenario 2: suck water from a cup up to ...

A: The two scenarios given are, Scenario 1: pushing the plunger with only air in a syringe.Scenario 2: ...