How many joules are required to boil 200 grams of water?

Q: 11. a. Write the equation for the half-reaction that occurs at the cathode. b. Is this an example of…

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Q: H.W) When 178 J of energy is supplied as heat to 1.9 mol of gas molecules at constant pressure, the…

A: Given,  Energy, Q = 178 J  Number of moles, n = 1.9 mol  Change Temperature, ∆T = 1.78 K

Q: What is the original base of the conjugate acid NH4+

A: Conjugate acid contains one more proton than base from which Conjugate acid generate.

Q: How many moles of argon are in a 1.80 L container at 5.84°C if the gas exerts a pressure of 55.7…

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Q: A body cooling rate can be expressed following Equation 1. dT -k(T – Ta) dt (Eq. 1) where T=…

A: Given, Initial temperature of the cube: 90 oC Final temperature of the cube: 27 oC Surrounding…

Q: Provide such a synthesis plan for the retrosynthesis that follows. Any additional substances are…

A: We have to carry out the given retrosynthesis. The retrosynthesis is given below

Q: Janice observed a reaction during lab. She noted that the entropy value was negative, and the…

A: Spontaneous reactions can be defined as the reactions that occur by itself without any external…

Q: Save Answer Question 2 The ionization constant (Ka) equation of a monoportic weak, HA, acid is given…

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Q: The molar solubility of is MgCO3 6.82 x 10 mol/L. Calculate the KSP value for MgCO, + C03(aq) -2…

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Q: Question 36 Which of the following gases is monatomic? O Okygen O Nitrogen O Argon O Hvdrogen O…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: 1. Outline methods for analysing [Co(NH:)»CIJCI; for the ionic chloride and for the total chloride…

A: Introduction: Ionic chloride reacts with AgNO3 and gives a white precipitate of AgCl. For example,…

Q: a sample chilorine (Cl) gas to a sample fluorine (Fa) gas at 300 K. Both samples are in sealed 1L…

A: In this question, we have to determine whether given statement is True or false.

Q: How many meq of PO43 are there in 25.00 mL of a 2.50 M Mg3(PO4)2 solution ? The reaction is given so…

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Q: 17.37 For the following compounds, give the systematic name. CH2CH3 'N' H (a) (b) C-OCH3 (c) OCH,CH3…

A: This question belong to Nomenclature of organic compound. There are 4 section but I have done only 3…

Q: When 12.0 mL of a 7.86x10 4 M sodium chloride solution is combined with 22.0 mL of a 1.91×104 M…

A: Volume of sodium chloride (NaCl), V1 = 12.0 mL = 0.012 L (1 L = 1000 mL) Concentration of sodium…

Q: Chloride ions are added to the Ag|Ag half-cell of the cell Ag|Agl|CuCu to precipitate AGCI (s). The…

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Q: The oxidation of nitrogen oxide produces nitrogen dioxide, as shown below: 2NO (g) + O2 (g) → 2NO2…

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Q: 5. An enzyme catalyzes the reaction M concentration of 1 nM, and the Vmax is 2 µM s-1. The Km for…

A: Given: [E] = 1nM Vmax = 2 μM s-1 Km = 4 μM To calculate: kcat

Q: Represent (showing clearly the electron-flow), the reaction mechanism of the addition of HBr to…

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Q: Jada prepares 0.00010 M HCI solution. What is the pH of this solution? pH = -log[H3O*] 1 7

A: What is the pH of the given solution ~

Q: What did Zimmerman and Traxler have to say about the transition states and product outcomes of…

A: The Zimmerman and Traxler stated that- if lithium enolate is z/cis, then product will be syn and if…

Q: Questions 1) The molecular mass of pGLO is approximately 3.6 x 106.
 If we added 20µl of 50 ng/µl…

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Q: A 0.500 g sample of rock was found to have 2.45 × 10-6 mol of potassium-40 (t1/2 = 1.3 × 109 yr) and…

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Q: 4. a) Draw and label the E and Z isomers of 3-methyl-2-pentene: o end CH,CH=C-CH,CH, ČH, b) Draw the…

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Q: Calculate the mass defect for the neon-21 nucleus. The mass of neon-21 is 20.993847 u. The mass…

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Q: At 25 degree Celcius, 1 mol of carbon dioxide is expanded from 2 to 20 dm3 (a) Isothermally and (b)…

A: Introduction: For an isothermal process, the temperature is constant. Therefore, temperature change…

Q: ion 3 or the molecule below, the s bond between the carbons marked I and II is formed by…

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Q: 1- Calculate the rate law equation. Report the rate constant with its unit. What is the overall…

A: The rate can be calculated as follows

Q: gमक ठ९१०छ्लम्ख्च र्रल a+.त्मेंन वत्टवणणकদट amode ņ वोक zmes) | zmzt caq) ll Nizt car) Nics) Nirs) -…

A: In this question, we have to write the half reaction occuring at anode for the given galvanic cell…

Q: Cyclohexane vs Benzene

A: Cyclohexane and benzene, both are cyclic compounds having 6 C atoms. However, the difference lies in…

Q: The Haber-Bosch process is used to produce ammonia from nitrogen gas and hydrogen gas. When 2.00 mol…

A: Answer: Limiting reagent in a chemical reaction is the substance that theoretically exhaust first…

Q: Calculate the standard enthalpy for the following reaction at 25°C: C(graphite) + H2O(g) → CO(g) +…

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Q: Reaction of the following substance with sodium borohydride (NABH 4) would yield: CHO HO H HO-H…

A: In this question, we have to choose the correct option which would be formed on reaction with NaBH4…

Q: . You pour 108 cm³ of ethanol, at a temperature of –10.0 ° C, into a graduated ylinder initially at…

A: Solution -

Q: (B). Write the chemical reactions of 2-chloro-2-methylbutane with the following two sets of…

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Q: Lec7 heat capacities H.W) When 178 J of energy is supplied as heat to 1.9 mol of gas molecules at…

A: Given that -  Energy or heat supplied = 178 J  Number of moles of gas Molecules = 1.9  Change in…

Q: As a concerned individual, this calls for an act to mitigate the problem on ocean acidification…

A: The answer is attached below-

Q: 38. /TEA CI H2N. еxcess NH2 excess

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Q: What is the maximum mass of ammonia that can be formed when 22.86 grams of nitrogen gas reacts with…

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Q: complete the statement about chemical equilibrium. STATEMENT Chemical equilibrium is in

A: Chemical kinetics is branch of chemistry in which we deal with the speed at which rate of reaction…

Q: Technetium-99m (gamma emitter, t1/2 = 6.02 hr) is widely used for diagnosis in medicine. A sample…

A: [Ao] = 4.52 × 10-6  t1/2 = 6.02 hr

Q: 4. a) Draw and label the E and Z isomers of 3-methyl-2-pentene: CH,CH=C-CH,CH, b) Draw the all the…

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Q: 1. Enz-0-H opo3 Enz, Draw a mechanism for the below, which involves twa steps and the starting point…

A: To draw a mechanism for the below, which involves two steps and the starting point of the enzyme (on…

Q: The Ksp for  Hg2CrO4  at a certain temperature is equal to 2.12x10-9 . What is the molar solubility…

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Q: 8. -7.44°C C. Calculate the molality of a water solution if the boiling point is: 9. 103.12°C 10.…

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Q: Reducing Oxidizing Atom/ion that is Atom/ion that is agent agent oxidized reduced C20,2 → CO2 Cro,2-…

A: The correct answer is given below

Q: Explain why the CS2 molecule is linear while the H2S molecule is not linear.

A: Carbon and sulphur  has 6 valence electrons in their valence shell. Shape of a compound depends upon…