A 4 7Be atom (mass = 7.0169 amu) decays into a 3 7Li atom (mass = 7.0160 amu) by electron capture. How much energy (in millions of electron volts, MeV) is produced by this reaction?

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Q: Which molecule has a Lewis structure that does not obey the octet rule? Multiple Choice PH3 Cs2

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Q: Ammonium perchlorate (NH,ClO,) is a powerful solid rocket fuel, used in the Space Shuttle boosters. ...

A: Answer:-                The mole of Nitrogen produced by reaction of 2.2 mol ammonium perchlorate  d...

Q: A 12.0 % sucrose solution has a density of 1.05 g/cm3. What mass of sugar is in 55 mL of this soluti...

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Q: Beirut explosion

A: In this question we have to explain the chemistry of the 2020 Beirut explosion.

Q: what is the acidic equilibrium equation for HC₆H₅CO₂

A: Introduction The equilibrium constant for any reaction can be shown by taking the ratio of product s...

Q: Data Set 1. Zeroth order reaction for C>D Es(kJ) = T2 T2 450 T1 = (Co] = k = A= Ms! T1 00 (Co)= Time...

A: Answer is as follows

Q: natural gas (SNG) fc

A: In this question we have to explain the pseudocritical method for mixture of gases.

Q: For the hydrogen atom, the relative probability of finding an electron at any single point in an orb...

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Q: You wish to undertake a 100 step countercurrent extraction of solutes A & B with distribution coeffi...

A: Answer is given as follows

Q: conjugate acid-base pair?

A: In this question we have to select correct option of the above statements with suitable reason.

Q: why is boiling water not a recommended sterilization method?

A: why is boiling water not a recommended sterilization method is given below

Q: Rank the following carbonyl compounds in order of increasing reactivity towards nucleophiles:

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Q: If you were given an unknown that contained both a sodium salt and a potassium salt, list the tests ...

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Q: Gibbs phase rule degrees of freedom: write out the Gibbs phase rule equation for each of these circu...

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Q: CI I II IV

A: The correct answer is given below

Q: i want example of HNMR signals that out of expectation because of dimagnetic anisotropy or resonance

A: The circulation of valence electron or ᴫ electron in system like benzene under the influence of exte...

Q: A:3. Upon enolization of strng nuclkophile Cun° ). Oraw me reaction mechanion of the alpha fubstitut...

A: The above reaction is halogenation of aldehyde. For halogenation of aldehyde, aldehyde must have alp...

Q: 1. Which of the ff. is NOT true for K? It is dimensionless. b. It is independent on temperature. c. ...

A: The features of equilibrium constant are, It is a dimensionless quantity. It tells about the direct...

Q: A.4. Aldol condensation reaction : aledal addifion t F,CB Predict fthe major product and draw the ra...

A: Aldol condensation reaction is condensation reaction between two aldehydes or ketones having alpha h...

Q: Consider 4.40 LL of a gas at 365 mmHgmmHg and 20. ∘C∘C . If the container is compressed to 2.40 LL a...

A: For the phase change of the ideal gas the temperature, pressure, and volume of the initial state and...

Q: Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are ...

A: In a double displacement reaction, the both cationic and anionic parts of a salt exchanges to form n...

Q: Which attractions are stronger: intermolecular or intramolecular?

A: To explain which forces are the stronger forces Intermolecular or Intramolecular.,  

Q: 2. Answer the questions for the acid below: HA(aq) + H20(1)→H30* (aq) + A-(aq) a) Write the acid dis...

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Q: 4. Na,CrO4 + Fel3 a. Write the balanced chemical equation for the reaction. b. Write the total ionic...

A: Balancing equation: As per our guideline we have to answer first three questions only.

Q: 2 ml 1 ml 1 ml 1 ml STOCK solution colored- dye bottle 1 mg/ml A B C D E Volume of water 4ml 4ml 4ml...

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the amount of solu...

Q: No. of No. of Atomic Isotopic A. Element Isotope mass (u) abundance (3 decimal places) protons neutr...

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Q: What are the products of the following decomposition? Ni(CIO3)2 -->

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Q: Designate the following salts as acid, basic, or natural. Explain why? NH4Cl LiNO3 K2S Ammonium ...

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Q: II. Rate Law The following data were collected experimentally from the following reaction. 2 NO + 2 ...

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Q: A) Use the Heisenberg uncertainty principle to calculate Δx for an electron with Δv = 0.425 m/s.

A: Detail mathematical calculation for delta x using Heisenberg uncertainty principle is given below

Q: [Review Topics] (References] Use unit analysis to show how to calculate the volume occupied by 17.1 ...

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Q: The solubility products for a series of iodides are [1] Cul (Ksp = 1.0 x 10-12) [2] Agl (Ksp = 8.3 x...

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Q: A penny has a mass of 2.50 g and the Moon has a mass of 7.35 × 104“ kg. Use this information to answ...

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Q: A compound containing 5.9265 % H and 94.0735 % O has a molar mass of 34.01468 g/mol. Determine the e...

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Q: One mechanism for the destruction of ozone in the upper atmosphere is O3 (9) + NO(9) → NO,(g) + O2 (...

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Q: Compare the two quantities based on the given condition: An aqueous solution of 0.10 M Al2(SO4)3 at...

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Q: 8.) Calculate the ionic strength of 0.040 M NazSO4.

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Q: 2- BeF4 is called the fluoberyllate ion. The formal charge on the beryllium atom in this ion is Mult...

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Q: A.4. Seleeive renetion f C=0 which uses C70 componnds is dome thow patection Nus addition f ethylene...

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Q: Consider the decomposition of red calx of mercury (HgO) into its elements as follows: 2 HgO --> 2 Hg...

A: This question is related to stoichiometry which determines the quantitative relationship between the...

Q: t 25°C, what are the molar H30* and OH concentrations in a 0.0360 M C& Hs COOH (K, (C,H;COOH)= 6.28 ...

A: Concentration of benzoic acid = 0.0360 M

Q: 4. A chemist wants to determine the concentration of an acidic solution. They start by placing 25.0 ...

A: As per our company guidelines, we are authorised to solve only one question at a time. Please post t...

Q: A mixture of krypton and hydrogen gas is compressed from a volume of 68.0 L to a volume of 52.0 L, w...

A: Complete solution is given below in next step

Q: A deep well sample of 100 mL was titrated with 0.010M EDTA at pH = 10 (with Mg-EDTA-pH10 reagent) an...

A: Solution -

Q: Show that the wave functions  ψ2 and ψ3 of a particle in a one-dimensional box are orthogonal.

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Q: 6.117 What is the temperature of a 125-g sample of tin, initially at 26.2°C, if 155 J of heat is add...

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Q: A sample of ideal gas is in a sealed container. The pressure of the gas is 275 torrtorr , and the te...

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Q: Arrange in INCREASING Rf if the mixture underwent paper chromatography with the same solvent system....

A: Paper Chromatography is partition or adsorption chromatography based on the affinity towards station...