O. An acrobat swings from a trapeze with a frequency of 0.5 Hz. What is the length of the trapeze cable?

Q: Chemistry Question

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix) Note :- Th...

Q: A sample of an unknown compound is vaporized at 130. °C. The gas produced has a volume of 2080. mL a...

A: Given - - > V = 2080 ml = 2.08 L P = 1 atm R = 0.082 L.atm/mol.K T = 130°C = 403.15K molar mass =...

Q: Compare the [H+] concentration from your pH measurement l to the given concentration for 0.001M HCl....

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Q: What is the mole fraction of HCl in an aqueous solution that contains 44.2 g of HCl and 88.6 g of wa...

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Q: What are the hybridization states of each of the carbon atoms in the given molecule?

A: In most of the case of organic and inorganic compounds, the hybridization is easily determined by si...

Q: deviation from Raoult's law, then: a. The mixture will not reach a definite boiling point b. The sol...

A: The correct options are:  

Q: Based on ty pH scale shown here, how many times more acidic is lemon juice than tomatoes. 1) 10 2) 1...

A: This question is related to acids and bases. The pH scale is used to measure acidity or alkalinity o...

Q: QUESTION 8 An aqueous solution of CUNO3 is mixed with an aqueous solution of Nal and a precipitate f...

A: Firstly, let us write chemical reaction and then we can determine solid formed and its colour.

Q: A polymer looses 40% of its strength in 10 days and 50% in 20 days. How many days will it take to lo...

A: It follows first order kinetics.  So, the following formula can be used.  k = 0.693/t1/2 ...(1)  and...

Q: When ß-carotene is oxidised in vivo, it breaks in half and forms two molecules of retinal (vitamin A...

A: Introduction :  In an atom each shell has its own energy level , the shell nearest to the nucleus ha...

Q: 3CO OCH3 H3CO OCH3 CI + H3C CH3 H3C CH3

A: ANSWER :  Tertiary butoxide act as as base which abstract more acidic alpha H-atom from reactant. an...

Q: CH3 HBr H;C CHy CH,COOH ОН

A: Here we have to write the major product and minor products formed  in the given reaction . This reac...

Q: QUESTION 17 What is the geometry relative to the N atom in the Lewis structure below? H. 0: H-N- —ӧ—...

A: Geometry of the molecular is dependent only on number of sigma bond + lone pair

Q: Indicate the possible product of the following reaction: А. CH: 1. LIAIH4 Н.С— СНСHCH:CОCH 2. H2O В....

A: Lithium aluminum hydride (LiAlH4) is a versatile reducing reagent, that reduces the ester into alcoh...

Q: What happens when you add sodium bisulfite to acetaldehyde? Will there be a precipitate? If yes, wha...

A: This question belong to carbonyl compound. question have done in two step. In product White crystali...

Q: calculate the concentration of nitrate ion in a solution of 0.10 m barium nitrate solution following...

A: According to electroneutrality principle, one mole or equivalent of barium nitrate gives one equival...

Q: A. Standardization of NaOH Solution TRIAL [HCI] Volume Moles Moles Volume [NAOH] HCI НОEN 25.75 IOH ...

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Q: Arrange in terms of increasing acidic and explain these using partial charges and inductive effects

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Q: Match the description with the corresponding example: а. HF b. NH3 1. A charged, amphoteric molecule...

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Q: Intravenous, or IV, solutions used in medicine must exert the same osmotic pressure as blood to prev...

A: Given,  Mass of NaCl, m = 0.90 g  Molar mass of NaCl = 58.5 g/mol  Number of moles of NaCl = 0.90/58...

Q: methane b. acetone c. ethanol d. water 18. Which substance has the highest viscosity? 19. Which subs...

A: The answers are as follows:  

Q: Under certain conditions the rate of this reaction is zero order in dinitrogen monoxide with a rate ...

A: Given, 2N2O (g)  ➝ 2N2(g) + O2(g) Reaction is zero order Rate constant (k) = 0.0065 M.s-1 Volume of ...

Q: Propane (C3H8) burns in this reaction: C3H8 + 5O2 → 4H2O + 3CO2 If 200 g of propape is burned: a....

A: Given, Propane (C3H8) burns in this reaction: C3H8 + 5O2 → 4H2O + 3CO2 If 200 g of propape is burned...

Q: The distinctive taste of vanilla arises from an organic compound composed of only carbon, hydrogen, ...

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Q: Draw two other resonance forms for the ion shown

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Q: QUESTION 14 What is the geometry relative to the O atom in the Lewis structure below? H. H. H-C- C-H...

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Q: The following are data for the adsorption of CO on wood charcoal at 0°C. The following pressure P is...

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Q: strong acid HI weak acid NiCO3 strong base FEPO4 weak base HNO2 soluble salt NaOH insoluble salt str...

A: Ans -  Table  - 1     HI            =  strong acid NiCO3        = weak base FePO4        = Insoluble...

Q: When KNO3 dissolves in water the system temperature is expected to: 1 a. Remain the same O b. Need m...

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Q: The reaction CI(g) +O3(g) → Cio(g) +O2(g) → CIO(g) i first-order in both reactants. Determine the ps...

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Q: Polarity Solubility in water General Formula Туре of Compound Choices (Low molecular Weight) R-O-R R...

A: Among all the given organic functionality, most of them are soluble in water. But this property is h...

Q: Tollen's reagent reacts with hexan-2-one to produce hexanoic acid and silver mirror precipitate. Tru...

A: Other name of Tollen’s reagent test is  silver mirror test.Ammonical solution of silver nitrate is k...

Q: Determine which of the two is more stable and explain

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Q: ck all of the compounds on this list that are soluble in room temperature water.   AgBr         PbSO...

A: Given : We have to tell which among the following is soluble in water.

Q: Draw an expanded structural formula of pent-1-en-3-yne/ CH3-CC-CH=CH2 and then label each carbon. In...

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Q: energy (ir

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Q: ased on the given data, what is the λmax of cobalt?   0.1M Cobalt 300 0.451 325 0.467 350 0.584 3...

A: Given : We have to tell the lambda max for cobalt.

Q: What is the concentration of the original solution if 450 mL; a certain solution is diluted in 750 m...

A: Initial Volume = 450mL Final volume = 2L or 2000mL Initial concentration = ? Final concentration of ...

Q: This table displays the chemical make-up of human bones. Below, you can see an example of an amino a...

A: Selenocysteine is proteinogenic amino acid. Selenoproteins contain selenocysteine residues. Selenocy...

Q: QUESTION 1 Based on the given data, what is the Amax of cobalt 0.1M Cobalt 300 0.451 325 0.467 350 0...

A: The answer is as follows:  

Q: 41. Consider the following reaction: 2 NO2 (g) + C2 (g)→2 NO;CI (g) If 21.0 g of NO2 and 20.0 g of C...

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Q: A serum calcium concentration is 9.5 mg/dl. Express this in meq/L.

A: Serum calcium concentration = 9.5 mg/dl. serum calcium concentration (in meq/L ) = ? 

Q: 250. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The osmot...

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Q: Why are there multiple products produced from the halogenation of alkanes via ultraviolet light?

A: Given that : We have to determine the reason why multiple products produced from the halogenation of...

Q: The iodination of salicylamide was carried out analogous to Experiment 12 in your “Green Organic Che...

A: Increase in chemical shifts suggest that the proton is deshielded. Hydrogen bond interaction is one ...

Q: empirical formula

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Q: Copper Amax cobalt|Amax copp oncentration, mM 20.00 40.00 60.00 0.177 0.382 0.518 0.2 0.4 0.7 80.00 ...

A: Given : We have to calculate the concentration of cobalt and copper.

Q: Consider the reaction below. Which species is the strongest base? + NH3 + HO NH2 O NH2 O CH3CH2CH20 ...

A: Identify the strongest base in the given reaction = ? 

Q: A volume of 0.25 L is acquired when you combine 0.2 g of Mg metal with HCl. Assuming the solution co...

A: Given, Volume of HCl solution = 0.25 L Mass of Mg metal = 0.2 g Temperature changes from 24.1 degree...

Q: From the pH data on the blackboard, arrange the following acids in order of increasing Ka (weakest a...

A: Higher the acidic strength greater will be the ka value.