energy

Q: The power of a red laser (2 - 630 nm) is 3.00 watts (abbreviated W, where 1 W-1 J/s). How many photo...

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Q: Complete the balanced molecular chemical equation for the reaction that takes place as solid copper(...

A: The balanced equation can be defined as the chemical equation where the number of each atom on both ...

Q: Which of the following statements is FALSE? The vapour pressure of a solid is independent of tempera...

A: To check the false statement, we would explain all these.

Q: KIO3 reaction (first one) NazS2O3 reaction (second one) NaOCI reaction (third one) w wwww Oxidized e...

A: The balanced reactions given are KIO3(aq) + 5 KI(aq) + 3 H2SO4(aq) → 3 I2(aq) + 3 H2O(l) + 3 K2SO4(a...

Q: The radiochemist, Will I. Glow, studied thorium-232 and found that 2.82 × 10–7 moles emitted 8.42 × ...

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Q: What is the total number of moles of solute in 0.7 liters of a 8.2 M solution of NaCl? _______mol

A: Given that:  Molarity of NaCl solution = 8.2M = 8.2mol/L  Volume = 0.7L  In NaCl solution, NaCl is s...

Q: 2. Calculate the (OH) and pOH of 0.0750 M NH3. Ka NH,* = 5.70 x 100

A: 2. Given that : The concentration of NH3 = 0.0750 M The Ka for NH4+ is 5.70 x 10-10. We have to calc...

Q: Present-day plant life has a carbon-14 decay rate of 16 disintegrations per minute (dpm) per gram of...

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Q: Choose the correct letter. Explain answer briefly in 2 sentences.   When a strong acid is added to ...

A: A buffer solution is the one which resist the change in pH upon addition of small amount of strong a...

Q: 00 S] Be sure to answer all parts. Answer the follo wing questions about diethyl ether (C,H100, mola...

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Q: Draw a schematic diagram of how a Flash Column Chromatography works?  Please answer at your own word...

A: Flash column chromatography:  It is a technical chromatography that consumed a compressed gas (such ...

Q: what is the mass percent of chlorine in C2Cl4F2

A: The given molecule is = C2Cl4F2 The mass percent of chlorine is =?

Q: Select the outcome of the following reaction. Br2 Br Br only Br only Br Br Br only

A: The reaction of alkene with Br2 gives  the addition reaction. This addition reaction takes place in ...

Q: The sum of the coefficients of the balance reaction for the combustion of acetylene is _____. __C2H...

A: Here, the question is about calculating the sum of the coefficients of the balanced chemical equatio...

Q: In preparation of p-Nitroaniline,  Starting material is 50g of p-nitroacetanilide,  22ml of HCI,  20...

A: A numerical problem based on quantitative analysis, which is to be accomplished.

Q: Write the Structure Activity Relationship (SAR) of Progestins?  Please answer at your own words

A: Progestins are synthetic or semisynthetic progestogens. This progestogen produces effects similar to...

Q: What is the molarity of an HNO3 solution if 55.5 mL is needed to react with 25.0 mL of 0.150 MKOHMKO...

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Q: order: alprazolam 0.25mg PO TID.  the strenght of the alprazolam is 1mg/ml.  Determine how many mill...

A: The mathematical relation between the strength of a dose and its required amount is shown below: Str...

Q: How many carbon atoms have steric number of 4 (SN = 4) in this molecule? CI 8 4 10 9. 6

A: In the given molecule : The number of carbon atoms having steric number 4 = ? 

Q: A 100.0 mL sample of 0.300 M NaOH is mixed with a 100.0 mL sample of 0.300 M HNO3 in a coffee cup ca...

A: 100.0 mL sample of 0.300 M NaOH is mixed with  100.0 mL sample of 0.300 M HNO3 Initial temperature =...

Q: Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2Al(s)+3Cl2...

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Q: Starting with the following equation, BCI,(g) + LIAIH,(s) → B̟H (g) + LIAICI,(s) calculate the moles...

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly repos...

Q: Cobalt (Co) is element 27 on the periodic table. A sample contains 6.89x1026 atoms of Co. Calculate ...

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Q: 1. Arrange the following elements in order of increasing ionization energy   P, S, Sb and Sr   O...

A: Ionization energy : the minimum amount of energy required to knock out the most loosely bound electr...

Q: Calculate the energy required to heat 297.0 mg of cydohexane from 24.5 °C to 36.9 °C. Assume the spe...

A: We know that,  q = m.c.∆T  Where, q = heat absorbed c = the specific heat of the substance(cyclohexa...

Q: In the answer box, provide the IUPAC name for the following compound. (Remer SH

A: The detailed solution of your question given below- We known that the rule of IUPAC nomenclature, th...

Q: Determine the number of grams of HCI that can react with 0.750 | g of Al(OH)3 according to the follo...

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Q: Starting with the following equation, BCI (g) + LIAIH,(s) →BH,(g) + LIAICI, (s) calculate the moles ...

A: 4BCl3 + 3LiAlH4 ......> 2B2H6 + 3LiAlCl4 Mass of B2H6 produced = 365g Molar mass of B2H6 = 27.7g/...

Q: 57. What volume of a 0.2089 M KI solution contains enough KI to react exactly with the Cu(NO3), in 4...

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Q: the specific heat capacity of silver is 0.24 j/oC g a. calculate the energy required to raise the...

A: a. Energy required to raise the temperature of Ag can be written as, Q=ms∆T m= mass of Ag = 158g s=0...

Q: Be sure to answer all parts. This question has two parts. How much energy is needed to increase the ...

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Q: Calculate the energy required to heat 0.10 kg of silver from -7.5 °C to 14.8 °C. Assume the specific...

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Q: 20.0 mL of 0.30 M Nickel Sulfate (NISO4) was mixed with 35 mL of 0.70 M NISO4, what is the final con...

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Q: A sample of an unknown compound is vaporized at 150*C. The gas produced has a volume of 1240mL at a ...

A: Given temperature (T) = 150°C =150°C + 273.15 = 423.15K Given volume occupied by the gas (V) = 1240 ...

Q: Calculate the mass percent of a sucrose solution that is made by mixing 9.57 grams of sucrose into w...

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Q: Classify the following ionic compounds as soluble or insoluble in water: (a) sodium carbonate (Na,CO...

A: Given compounds are :-  a). Na2CO3  b). PbSO4  c). Co(OH)2  d). Ba(NO3)2  e). (NH4)3PO4  Classify wh...

Q: Transfer a sample of copper (approximately 0.04 g) to a test tube. IN THE HOOD, add about 40 drops o...

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Q: determine the oxidizing agent in the following Sn4+ + Ca --> Sn2+ + Ca2+

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Q: If 17.4 mol of Ar gas occupies 115.2 L, how many mL would occupy 58.6 mol occupy under the same temp...

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Q: nitric acid could be used to neutralize calcium hydroxide. if you have 1.32 L of a 1.48 M calcium hy...

A: To calculate the volume of nitric acid to neutralize calcium hydroxide , we would use mole ratio bet...

Q: When the nuclide thorium-234 undergoes beta decay: The name of the product nuclide is fill in the b...

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Q: If a gas occupies 120 L at 9 atm, what volume will it occupy at standard pressure?

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Q: 55. For the following NaOH solution, the volume of the solution and its molarity are given.  Calcula...

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Q: Solubility of solute A, in g/100 mL Solvent Hot Cold Water 2.0 1.0 Ethyl Acetate Diethyl Ether 1.0 1...

A: The choice of solvent should be such that is dissolve least amount of solute in it such that we can ...

Q: Using the balanced equation for the combustion of ethanol, answer the following question. C,H,0(1) +...

A: From the given balanced equation -                1 mol Ethanol can produce 3 mols of H2O Since, 1 m...

Q: What are the formal charges on the atoms shown below in the following Lewis structure for HNO3? A=? ...

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Q: For the following reactions at constant pressure, predict if ΔΗ> ΔΕ, ΔΗ Δ b. 2C,H10 (g) + 1302(g)8CO...

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Q: 2. When preparing a non-aqueous alcoholic solution that is required to be free of water: a. What sol...

A: Alcohols are the substances which do have O-H has the functional group. The predominant forces that ...

Q: For CIF3, the electron group geometry and molecular shape, respectively, are: (electron group geomet...

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Q: Select the solvents which are classified as protic. O (CH3)3COH O (CH3CH2)20 O CH3CN O CH3COOH

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