metals

Q: The average distance between the Earth and the Moon is 240,000 miles. Express this distance in kilom...

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the uni...

Q: 2. Identify the reaction as to redox or non-redox. For redox reaction, determine what is oxidized an...

A: Given reactions are : a). CO2 + H2 -------> CO + H2O  b). Na2CO3 + HCl ---> NaCl + CO2 + H2O  ...

Q: Calculate the freezing point and boiling point for 0.43 molmol ethylene glycol and 0.17 mol KBrmol K...

A: Boiling point =374.8K (Upto one decimal place) Freezing point= -6.5K (upto one decimal place)

Q: 3. A 15,0L of kCi has a concentration of 0.894 M. Determine the ff- a. Mass fraction (Puct + 1.91) b...

A: Given,  Molarity of KCl = 0.894 M  Volume in L = 15.0 L  Determine the following : a). Mass fraction...

Q: You are a student in Mrs. Bateast's Chemistry class and you were given the assignment to compare sol...

A: The solubility of a compound is increased by increasing temperature. It would continue up to the sol...

Q: Please understand that this is a full question.

A:   Heat of vaporization of water at 373 K = 40.7 kJ/ mol                                       Mass o...

Q: Identify two properties of copper that lends itsef to use in telecommunicaions, wires and cables.

A: the properties of copper that lends itself to use in telecommunications, wires and cables are:

Q: By how many grams will the total mass of the two electrodes change during this time period? The chan...

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Q: Give the IUPAC name of each alkyne. (a) CH3 CH3 (b) CH3 CH3CHC=CCHCH3 HC=CCCH3 CH3 (c) CH3 (d) CH3 C...

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Q: he s 3C molecule still has a lot of energy available. Where, specifically, is this energy located in...

A: the energy of 3-carbon molecule is located in the electrons.

Q: Comment on whether ΔH and ΔS favor spontaneity of the following reactions. Explain your reasoning! a...

A: Spontaneous reaction are those which occur in forward direction and favour the formation of product.

Q: Calculate the mass of each of the following gases a) 1.61 of methane (CH4) b) 1282cm3 of sulphur dio...

A: Given,  a). 1.6 L of methane  b). 1282 cm3 so sulfur dioxide  c). 4 L of neon  d). 0.1 L of nitrogen...

Q: A Chemist collected a 0.4891-g sample of an ore for Fe determination by a redox titration with K2Cr2...

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Q: In the hydrogen sulfide molecule, H 2S, how many long pairs are there? 0 1 O 2 3

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Q: Fill in the blanks: The remaining p orbital in an sp2 hybridized carbon contains electron. A pi-bond...

A: The electronic configuration of carbon is 1s22s22p2.  sp2 hybridised carbon is formed from overlappi...

Q: b. с. a. NH2 d. e. O-CH,

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Q: 15. Which of the following is true for the condensation of a gaseous substance? A. AS=0 and AH=0. B....

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Q: If the work done to compress 29 g of helix gas in 2 mL tube is 612 J releasing 209 J of heat to the ...

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Q: E. Indicate whether each of the following statements describes a: reversible competitive inhibitor -...

A: Irreversible inhibitor forms strong covalent bond at the active site of enzyme and can't be reversed...

Q: 3. Draw the product of the following reaction. Name both the reactant molecules and the product mole...

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Q: 2. At the end of the extraction lab that you will conduct in a few weeks, you wll repeat this TLC ex...

A: The crude reaction mixture contains one or more substances in a different molar ratio. The analytica...

Q: Name the following molecule. Use correct hyphens, include best placement of numbers and don't capita...

A: The given compound: The numbering of carbon atoms in the given ring can be done as follows:

Q: What structural features make polymer to be thermo and thermosetting polymers? Explain with one exam...

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Q: 6.26 For a hydrogenlike atom in a stationary state with quantum numbers n, 1, and m, prove that (r) ...

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Q: Calculate the concentration of an aqueous solution of NaOH that has a pH of 11.50.

A:   • The values provided in the question are:-      i) pH of NaOH solution = 11.50    • We need to ca...

Q: How many g are in 35 mg? O 3.5 g O 35 g O 0.035 g O 35,000 g

A: Given,  35mg of any substance.  It converted to gram. 

Q: 9. Final product? SOc B. 10. Put nitrogens in order of basicity? A. 3>2>1 B. 3>1>2 C. 2>3>1 D. 1>2>3...

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Q: : Answer 1 question of the following 1- For "Co* calculate:- A) magnetic state (term symbol) B) tota...

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Q: 1) Form the following data for CH;aI T(°C) Y (dynes/cm) PL (g/cc) pv (g/cc) 10 20 19.5 17.8 16.2 0.9...

A: Ramsay shield equation is: γ(v1)2/3 = Ke (Tc -T-6) ...............equation 1 where  γ = surface tens...

Q: 9. Calculate K, for the reaction at 400°C.If K. at 400°C for this reaction is 2.1 X 10. 2NOCI(g) 22N...

A: Given; 2NOCl(g) ⇌ 2NO(g) + Cl2(g) Temperature (T) = 400°C = (400 + 273.15) K = 673.15 K Kc = 2.1×10-...

Q: An aqueous solution at 25oC contains an unknown solute and boils at 101.3oC. Solve for the osmotic p...

A: temperature = 25oC. This is equal to (25 + 273)K = 298K  Kb of water = 0.513oC/m Boiling point = 101...

Q: Calculate the concentration of an aqueous solution of NaOH that has a pH of 11.50. NOTE. Submit your...

A: Given-> pH = 11.50  

Q: Using ortho, meta, or para nomenclature, provide the name of the following compound HO

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Q: If this reaction is taking place in a 1.0L container, and 1.5 mol of SO2 were added to the reaction,...

A: Given reaction is :  Concentrations of all the species at 298 K are : [SO3] = 0.52 M  [NO] = 0.18 M...

Q: Illustrate graphically the positive and negative deviation from ideal behavior of binary mixtures  u...

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Q: 2 NaHCO → Na,COys + H,O, + CO2)

A: ΔSo = ΣniSo(Product) - Σ niSo(Reactant) Where, ΔSo = standard entropy change ni and So are number of...

Q: How of Copper C11) Sulfcte pentahydkade were needec mary grams to make 100 mL of the O.YM sohuticn?

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Q: For each of the following absorption bands, indicate whether you would expect to see that band in th...

A: IR spectroscopy is the measurement of the interaction of infrared radiation with substance. It is us...

Q: Describe how to prepare a 2.5% 48 ml agarose gel with 1X TBE buffer.

A: Following are the step by step process of preparing 2.5% 48 ml agarose gel with 1X TBE buffer.

Q: 26. A student titrated nitric acid, HNO3(aq), with sodium hydroxide, NaOH(aq), using phenolphthalein...

A: 25) In the environment (soil, natural waters, etc.) I think ferric ions tend to be less soluble beca...

Q: Tame two (2) types of oils in underground hydrocarbon reservoirs.

A: Most of the energy needs are made by fossil fuels like coal, gas and oil. Theses are non renewable s...

Q: In your job as a chemist for a regional analytical laboratory, you are expecting many samples that y...

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Q: • Part A What is the change in internal energy for the system? Express your answer using two signifi...

A: given, heat, q = +110J = + 0.110 KJ work done, w = -77KJ

Q: What wavelength of light would you report in units of nm, if the light had a wavelength of 7.60 × 10...

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Q: Part A The air within a piston equipped with a cylinder absorbs 575 J of heat and expands from an in...

A: heat absorb, q = + 575 J initial volume, V1 = 0.11 L final volume, V2 = 0.87 L external pressure, P2...

Q: When fusing with resorcinol and adding ammonia to the alloy, a solution with green fluorescence form...

A: Fluorescence is the phenomenon of light emission by a substance that has previously absorbed light o...

Q: A sample of liquid benzene is heated until it boils; is this a chemical change true of false?

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Q: In an experiment, 3.25 g of NH3 are allowed to react with 3.50 g of O2 __NH3 + __O2 -> __NO + __H2O....

A: The balanced equation and Amount of NO formed is given below

Q: Draw the molecule from the incorrect name given below, then enter the correct IUPAC name in the answ...

A: Given incorrect IUPAC name is 1-ethyl-1-methylpropan-1-ol

Q: Calculate the energy required to heat 434.0 g of cyclohexane from 25.8 C to 37.8 C. Assume the speci...

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