Emission of which particle below will decrease the mass number by 1, but have no affect on the atomic number?     an alpha particle     a positron     a neutron     a beta particle

Q: Practice Exercise What is the pH of a solution containing 0.30 M HCOOH and 0.52 M HCOOK? Compare…

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Q: 11) For the reacthion at 25 C: ShlSnICuicu Determine E 0.4SV Determine AG 92.5 Kmol Determine K…

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Q: Which of the following changes would result in an increase of nitrogen dioxide, NO,? N204(e)…

A: Given- N2O4(g) <->2NO2(g).           ∆H°=58kJ

Q: Example 1: Chemists can produce silver metal by reacting copper metal with a solution of silver…

A: First we would write a balanced chemical reaction. Then using given moles we can determine limiting…

Q: 2. Determining the Acid Content of Vinegar Trials A В Volume of Vinegar used (ml) 25.00 diluted to…

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Q: Calculate the equilibrium constant, Keg, for the galvanic cell performing the following reaction at…

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Q: What happens over time if you add some salt to a glass of water and explain why it happens?

A: What happens over time if you add some salt to a glass of water and explain why it happens ?

Q: A Moving to another question will save this response. uestion 7 A sample of 121 has a half hfe of…

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Q: Why is ethanol least acidic?

A: In this question, we will discuss about that which factors effect on the acidity of ethanol to make…

Q: What mass (g) of calcium chloride do you need to make 150.0 mL of a 0.750 M solution?

A: Molarity is defined as the number of moles of solutes present in per litre of solution.

Q: What is the molarity of NH3OH+ in 0.1828 M hydroxylamine? See reaction below NH2OH + H2O ↔ NH3OH+ +…

A: In this question we have to calculate the molarity of NH3OH+ .

Q: 4. Does the first appearance of the white smoke indicate the first contact of the NH3 and HCI…

A: To answer: Does the first appearance of the white smoke indicate the first contact of the NH3 and…

Q: volume of 0.250 mol/L solution that can be made from 31.0 g of C2H2O4 • 2H2O(s)

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Q: How many grams of acetylene, C2H2, are needed in order to produce 120. kJ of heat according to the…

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Q: Part A What is the boling point in "C of each of the solutions below? For water, K, -0.51("C kg)…

A: We can solve a given problem by using the equation ∆Tb= i×Kb×m Where  ∆Tb= increase in the boiling…

Q: ncentration of 3 X 10 M. Find the time required to convert 70% of substrate when Vmax = 2.167 M/min.…

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Q: Compute for Delta U, Delta H and W if 5 moles of an ideal diatomic gas undergoes an isochoric…

A: Answer: In isochoric process volume of system remains constant all throughout the process.

Q: 1. What is the frequency of a wave? O how many times a wave is repeated during a certain interval of…

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Q: The data below were gathered for the reaction A + B ==> products. Determine the Rate Law for the…

A: First we would determine rate law using the given experimental data .  Using that rate law , we can…

Q: For each chemical reaction listed in the table below, decide whether the highlighted atom is being…

A: The correct answer about oxidation and reduction is given below

Q: Which one of the following statements is TRUE? A reaction with a large positive E°cell Wwill have a…

A: When E°cell is positive then reaction is spontaneous.

Q: Practice Exercise Which of the following couples are buffer systems? (a) KF/HF, (b) КBr/НBr, (с)…

A: Buffer solution are those which doesnot change its pH by addition of small amount of acid , base or…

Q: Which aqueous solution is expected to have the lowest freezing point? a. 0.2m Na3PO4 b. 0.2m CaCl2…

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Q: What is the chemical equilibrium expression for the equation 2A,B + 3CD AĄD + C3B2? O [A,B]°[CD]…

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Q: Problem 9.13 Write the mechanism of the acid-catalyzed reaction_of methanol with cyclo- hexanone to…

A: -> alcohol has nucleophilic character hence it can give nucleophilic addition reaction to…

Q: エ

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Q: :O: A) two B) three C) four D) five E) none

A: Resonance structure are set of Lewis structures that describe the delocalisation of electrons in a…

Q: For bulk crystalline sample which technique is best ? Give me handwritten answer with explaination?

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Q: Organic chemistry:What does a percentage yield of 55.16 and percentage recovery of 181.30g mean .I…

A: Percentage yields and percentage recovery are two different things that are used to indicate the…

Q: Which statement describes the changes that occur when salt is added to water?

A: H2O is known as water and this is universal solvent. Because water dissolve many compound than any…

Q: H sot 30

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Q: Which statement is most incorrect regarding thermogravimetric analysis (TGA) of a crystalline…

A: TGA is thermogravimetric analysis. In this analysis, we measure the mass of sample.

Q: Sive the complete. mechanism of organic Reaction. 유 th+HoCy excess

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Q: Which of the unstable nuclides below will not result in beta emission during radioactive decay?…

A: The stability of a nucleus depends on the number of protons and the neutron/proton ratio. For the…

Q: A 2.25 mol sample of an element has a mass of 51.8 g. What is the element?

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Q: When the chemical equilibrium expression is written, coefficients from the equation for the reaction…

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Q: Draw the Fischer projections representing the L forms of the following amino acids at pH lower than…

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Q: Which aqueous solution is expected to have the greater osmotic pressure? 2.0m NaNO3 1.0m CH3OH 1.0m…

A: Osmotic pressure is directly proportional to the vant Hoff factor

Q: 10. Which of the following substances has the highest concentration of hydrogen ions in solution? F)…

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Q: e molar enthalpy of neutralization

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Q: pls

A: Propane is burnt with oxygen.

Q: 1) Concentration: If 23.7g of NaOH are dissolved into 124.2g of water for form a solution with…

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Q: Draw the monomer that  is used to create the following polymers.

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Q: Which of the following determines the rate of the forward reaction and the rate of the reverse…

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Q: hormone balance of calcium and phosphate ADH Aldosterone Para thyroid Cout is the disorder to the…

A: The correct answer is given below

Q: A tank with a volume of 3.5 m³ is filled with carbon monoxide at 53°C and 170 kPa is connected…

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Q: NazCO3(aq) Na, → Naz COz CO Molecular: Ionic: Net-Ionic:

A: Given Na2CO3 (aq) compound.

Q: Trials A Volume of Vinegar used (ml) 25.00 diluted to 250.00 mL Volume of Aliquot used (ml) 50.00…

A: CH3COOH + NaOH    gives     CH3COONa + H2O So, 1 mol NaOH neutralises 1 mol of acid.

Q: 1. Determine the amount of heat abs orbed when 35.77 grams of O2 are produced according to the…

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Q: II. Draw the structure for the major 8ly Remember to transfer verbatim to your sheet of answels 13.…

A: Here we have to write the structure of major product formed in the following reactions.

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.