Which of the following characterizes an alpha ray? Choose all that apply. is less penetrating than a gamma ray is composed of particles |carries a positive charge O is more penetrating than a gamma ray I carries a negative charge

Q: piper ets of 0.545 M NaOH into a test tub nto a small beaker to keep it from spilling and then…

A: Given,  Molarity of NaOH = 0.545 M Volume of NaOH  = 25 mL Mmol of NaOH = M × V = 0.545 × 25 =…

Q: What is the purpose of using ether in preparing the dispersion of egg yolk sample? (the answer…

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Q: There are three possible square-planar trans isomers (trans NO2-Br, trans NO2-py and trans NO2-NH3)…

A: To synthesize all three possible square-planar trans isomers starting from appropriate plantinate…

Q: If an amino acid had the following side chain it would be identified as polar CH2 - OH A) True B)…

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Q: MoCO3(H2O)2][Zn(CN)3OH(en)2]. what is the coordination number of the central metal atom of the…

A: The coordination compound is MoCO3(H2O)2]+2  [Zn(CN)3OH(en)2]-2 So, anion complex is…

Q: Instruction: Find the following ΔH for the reaction below. 2SO2 + 2P + 5Cl2 → 2SOCl2 + 2POCl3 ΔH =…

A: Given that, the enthalpy change of the reactions are SOCl2 + H2O → SO2 + 2HCl…

Q: Compare strong and weak electrolytes using a Venn Diagram. Give specific examples.

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Q: Consider the following reaction: H2O2(aq) H20() + ½ O2(g) and the kinetics plots below to answer the…

A: The plots given are,

Q: What is the absolute configuration of the carbon in the given molecule below? Но- HO

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Q: The major source of error in the determination of relative rates of reaction in kinetic studies is…

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Q: Consider the following decay series: d b. Bi Po C 214 210 Po Pb 218 a 214 214 Pb 82 84 82 83 84…

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Q: Instruction: Find the following ΔH for the reaction below. 2H(s) + 2O2(g) → 2HO2(s)      ΔH = ?…

A: In this question Hess law is used which states that heat of reaction is same whether reaction takes…

Q: Which of the following was used in excess in the gravimetric method of analysis experiment? (A) HCI…

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Q: For each of the following compounds, decide whether the compound's solubility in aqueous solution…

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Q: The equilibrium constant, K, for the following reaction is 1.77x10 3 at 568 K. NH4CI(s) NH3(g) +…

A: Kc is equilibrium constant and Kc is equal to ratio of concentration of product and concentration of…

Q: Write the equilibrium constant expression, K, for the following reaction. Please enter the compounds…

A: Equilibrium constant (K) expression:

Q: Provide the structure of the product and write the mechanism of its formation for the following…

A: Given reaction are carbocation formation reaction. In all three reaction intermediate is…

Q: Consider 500 g of ice at -55 oC to which 1600 kJ of heat was added in a controlled way with no heat…

A: Given: Mass of ice = 500 g. Amount of heat added = 1600 KJ = 1600000 J And initial temperature of…

Q: Consider these reactions: Reaction 1: H2 (g) + Cl2 (g) → 2HC1(g) AH = –184.6 kJ Reaction 2: 20F2(g)…

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Q: (b) Predict the product and chemistry involved in the following reactions: (i) [Rh(CO)2C12] +CH3I…

A: Since you have asked a question with a multiple sub-parts, we will solve first three sub-parts for…

Q: A solution is prepared at 25 °C that is initially 0.43 M in propanoic acid (HC,H,CO,), a weak acid…

A: Given :-  [HC2H5CO2] = 0.43 M  [KC2H5CO2] = 0.11 M  Ka for HC2H5CO2 = 1.3 × 10-5  To calculate :-…

Q: At STP conditions, 25 mL of hydroiodic acid generates 1.20 L of H2 gas when combined with excess…

A: Given-> Volume of HI = 25 ml = 0.025 L      (1 L = 1000 ml) Volume of H2 gas = 1.20 L At STP->…

Q: 2. There is 1250. cm3 of chlorine gas at 25°C and 90,000 Pascals, what volume will the same gas…

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Q: Give 5 differences of organic compounds and inorganic compounds

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Q: Write the ionic forms of the following elements and compute for the respective milliequivalent…

A: Given that -  1.Iron= 57 g/mole 2. Magnesium= 24 g/mole 3. Potassium=39 g/mole 4. Ammonium nitrogen=…

Q: Average Exposure to Radiation from Common Sources Source Dose (mremlyear) Naturally Occurring…

A: Given: The radiation received in an accident = 5.43 × 10-4 Sv

Q: enols and enolates?

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Q: Write the cell notation for an electrochemical cell consisting of an anode where Mn (s) pxidized to…

A: Anode : Mn(s) → Mn2+(aq) + 2e- Cathode : Cr3+(aq) + 3e- → Cr(s)

Q: The aldol reaction is an equilibrium process that generally favors the products. How would the…

A: Retro aldol reaction is the reverse of the aldol condensation reaction .Thus in retro aldol…

Q: A 0.1510 g KHP (Mw = 204.22 g/mol) sample required a volume of 57.04 mL of NaOH solution to reach a…

A: KHP reacts with sodium hydroxide to form NaKPH and water. One mole of KHP reacts with one mole of…

Q: Average Exposure to Radiation from Common Sources Source Dose (mrem/year) Naturally Occurring…

A: Given: The radiation received in an accident = 5.43 × 10-4 Sv

Q: H,AsO, + H,0 →H,AsO, + H,O

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Q: What is the time needed for a constant current of 0.100 A to deposit 0.500 g of Tl (I) [AW= 204.38…

A: Given: Mass of Tl to be formed = 0.500 g. Current passed = 0.100 A And the ion present in the…

Q: Be sure to answer all parts. What is the heat change when 81.8 g of water cools from 84.0°C to…

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Q: Which of the following describes the reaction: 218 Po →°,e+ 218 At 84 ³Po→,e+ 85

A: In above reaction atomic number on product side increase by one while mass number remains unchanged.…

Q: Calculate the concentration of all the ions in solution after mixing 100.0 mL of 0.0200M KF (aq)…

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Q: Which of the following contains a sulfur atom as part of the side chain? A) Glycine B) Proline C)…

A: ->We can understand it by drawing their structure

Q: Give 5 differences of Configurational isomers and Geometrical isomers

A: Isomer  have Same molecular  Formula but different arrangement  in 3D space

Q: EFFECTS OF DYES TO THE POSSIBLE SOLUTIONS ENVIRONMENT EFFECTS OF INSECT POSSIBLE SOLUTIONS…

A: Dyes are organic substances and are used to impart colour to various substrates. Insect repellents…

Q: Which of these alkenes show cis-trans isomerism? For each that does, draw structural formulas for…

A: The alkene will show cis and transfer if it has two condition-  1- Different group should be present…

Q: How was the precipitate obtained after filtration? (A By scraping from the filter paper and…

A: Filtration- the process in which solid particles in a liquid are removed by the use of a filter…

Q: A lactic acid/sodium lactate (HC3H5O3/NAC3H5O3) buffer is prepared to 0.104 mol L-1 HC3H5O3 and…

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Q: Aldol Product FOM. OMe 7.38 ppm pom 7.9 7o 72 3.91 ppm Ppm 4. 3.9 ppm 10

A: The proton NMR helps us to find out the different types of proton present in an unknown organic…

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A: The reaction given is, => Al2O3 (s) + 3 H2 (g) → 2 Al (s) + 3 H2O (g)

Q: Provide a mechanism for the following transformation: CN 1. NaOH CO,H 2. H,O*

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Q: 10. Provide a mechanism for the following transformation: soc, OH

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Q: Identify the type of reaction for the formation of (S)-2-butanol from (S)-2-bromobutane

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Q: Specify the change (increase, decrease, no effect, or indeterminate) for the parameters with the…

A: Given:  Change in experimental condition Parameter   Decrease in the reaction temperature…

Q: The weak acid, chloroacetic acid, is a useful reagent in organic synthesis owing to a reactive C-CI…

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Q: With the titration curve of a weak acid, which part of the curve is the buffer capacity seen to be…

A: Buffer action signifies almost no change or small change in pH even after addition of either acid or…