Define/describe the following terms and give examples, where applicable: 1. Positron Emission- 2. Electron Capture 3. Half life 4. Nuclear fission 5. Nuclear fusion

Q: he following text may be found at the ThermoFisher website: "PBS (phosphate buffered saline) is a…

A: Since the buffer solution is 1x concentrated it is not diluted.  Hence we have to use the…

Q: Balancing Chemical Equations Determine the type of reaction occurring placing P (precipitation), N…

A: Different types of chemical reaction: a) Precipitation reaction: In precipitation reaction an…

Q: Explain why polarizing power for M2+ ions increases in the first transition row metals going from…

A: d-block elements are those in which last electron enter the d subshell. Atom consists of electrons,…

Q: For the following reaction, 3.27 grams of iron(II) chloride are mixed with excess silver nitrate.…

A: The balanced chemical reaction is,  FeCl2(aq) + 2AgNO3(aq) -------> Fe(NO3)2 (aq) + 2AgCl (s)…

Q: What is the density of argon gas (Ar) at 2.01 bar and 25.3 °C? Express your answer in g/L.

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Q: 1. P, S, Cl and Ar. How does Z* correlate with their covalent radii. Calculate the effective nuclear…

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Q: 4. magnesium + silver acetate → Molecular Reaction: ution Oxidation half reaction:

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Q: write the net ionic equation for reaction of sulfate ion with Ca(NO3)2

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Q: HX X™ HY Y™ & H30+ Which is the stronger acid? Which is the stronger base? Given the equilibrium…

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Q: Part III. Nomenclature of Organic Compounds Direction: Name the following hydrocarbons. ж 5. 6. 7.…

A: we have to determine the IUPAC name for the given structures

Q: convert 3.612*10^-5 kl to units of L

A: Here we are required to convert the unit of Kl to L.

Q: 7.) A compound crystallizes with cations (A) in a face centered cubic (fcc) lattice with eight…

A: A unit cell is a repeating unit of a crystal lattice. The number of particles present in a unit cell…

Q: 3) A solid sample containing Fe² and weighing 1.923 g is titrated with 37.86 mL of a 0.0244 M MnO,…

A: 3.

Q: how do you know the mass of solvent is 1kg i.e 1000g? if we know it, then why do we need to find it…

A: Concentration of Mg(OH)2 solution 0.14m We have to calculate the mass of H2O  and mass of mg(oh)2 in…

Q: (f) OH HNO₂, H₂SO₂ No.

A: Benzene ring undergo aromatic electrophilic substitution reactions

Q: Assign R and S to all of the asymmetric centers and give the proper IUPAC name for the following…

A: we have to determine the R and S configuration and write the IUPAC name

Q: A sample of oxygen gas at a pressure of 0.572 atm and a temperature of 24.4 °C, occupies a volume of…

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Q: Aspirin can be synthesized in the lab by combining salicylic acid (C7H6O3)C7⁢H6⁢O3) and acetic…

A: Here we are required to find the percent yield  for the aspirin synthesized

Q: Classify each chemical reaction:

A: In a Rxn , When two or more substances combine to form a new substance then this type of reaction is…

Q: Chemistry need help labeling peaks and idnetify compound

A: A question based on IR spectrum of organic compounds that is to be accomplished.

Q: The gas phase decomposition of hydrogen iodide at 700 K HI(g) → H₂(g) + % 1₂ (9) is second order in…

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Q: Part III. Nomenclature of Organic Compounds Direction: Name the following hydrocarbons. 27. 28. 29.…

A: A question based on nomenclature of organic compounds that is to be accomplished.

Q: In a study of the gas phase decomposition of hydrogen iodide at 700 K HI(g) →→→ H₂(g) + 2 I₂(g) the…

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Q: 21. 22. O

A: IUPAC nomenclature is used for naming the organic compound as per recommended by international union…

Q: Question 21 Based on our discussion in class, how long (in hours) would you be protected from…

A: Answer: Double SPF(Sun Protection Factor)does not always mean double protection. In theory,…

Q: Place the three atoms in ions in order from LARGEST (should be first) to SMALLEST (should be last).…

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Q: Calculate the pH of rainwater (due to the effect of atmospheric CO₂ only) at 25 °C both if the…

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Q: Part III. Nomenclature of Organic Compounds Direction: Name the following hydrocarbons. 1. 2. 3.…

A: Name of the hydrocarbon is given below :

Q: The base dissociation constant for 2-pyridinamine is K Determine the pH of a 0.020 M solution of…

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Q: 2. What is the density of the solid object that is weighed and submerged in water? 8.24 g 18.5 mL…

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Q: Please only give an answer from the ANSWER CHOICES: Answer Choices (Only PICK ONE) 1-bromobutane…

A: A question based on IR spectrum of organic molecules that is to be accomplished.

Q: rounded yold Calloway 5th The data below are for water (1₂0) Boiling Point Melting point Heat of…

A: Cooling curve is the plot of temperature versus time The independent variable which is the variable…

Q: Which of the following chemical reactions is a part of the ozone-oxygen cycle known as the Chapman…

A: Chapman cycle of ozone : The cycle of reactions which involves the creation and destruction of ozone…

Q: Which of the following is(are) the correct expression for alkalinity? |Alk= (HCO3) - 2(CO3 2) - (OH)…

A: Alkalinity is the capacity of water to resist acidification.  Alkalinity is expressed in units of…

Q: The concentration of chemical solutions can be expressed in several different units of measurement…

A: Given that the 4 mM solution has an absorbance of 1.000 when measured in 1.0 cm cuvette.

Q: water Cras cous butane ( CH₂ (CH₂) ₂ CH3) reacts with gaseausoxygen gas (oz) to Produce gaseous…

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Q: The Reaction A → P is second order reaction has a rate constant of 0.0363 sec^-1. If I start with an…

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Q: Question 10: The trifluoromethyl group is a meta director. Explain why this is so using resonance…

A: Mera directing groups are the groups that allow the incoming group to come at meta position in am…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

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Q: Question 36 Which of the following chemical reactions is a part of the ozone-oxygen cycle known as…

A: The ozone layer is created when ultraviolet rays react with oxygen molecules (O2) to form ozone (O3)…

Q: determine henrys law constant for ammonia in water at room temp is an ammonia pressure is 0.022atm…

A: Henry's law :

Q: QUESTION 1 1. For each of the following elements, write its charge when it becomes an ion: (Write…

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Q: 2. A pair of substances undergoes a change. This change is observed in the form of a difference in…

A: The electromagnetic spectrum is a series of frequencies of electromagnetic radiation and their…

Q: two different students on two different days determine the density of urine using the exact same…

A: Density of a sample is determined by the ratio between mass of the sample to the volume of sample.…

Q: A chemist adds 175.0 mL of a 3.57 × 104 umol/L calcium sulfate (CaSO4) solution to a reaction flask.…

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Q: a. CuCl2 has a Ksp of 1.9 x 10-7. If you have a solution of CuCl2 that has a chloride ion…

A: Here CuCl2 has Ksp = 1.9×10-7 . The concentration of chloride ion in the given cupric chloride…

Q: 36 > Macmillan Learning A current of 6.00 A is passed through a Sn(NO3), solution. How long, in…

A: Given, Mass of Tin (Sn) = 5.50 g Current (I) = 6.00 A Time (t) = ? Note: molar mass of Tin (Sn) =…

Q: Two sets of ionizations are shown in the tables below. Complete the tables by ordering each set of…

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Q: 3. I C E Set up [H₂S] = 1M, [CH4] =1.0M 2H₂S (g) + CH4(g) 5 [CS2]i = [H₂]i = 0 CS2(g) + 4H2(g) the…

A: 2H2S (g)    +    CH4(g)   ↔   CS2 (g)    +     4 H2 (g) Initial Conc. (I) 1 1 0 0 Change in…

Q: Drag the appropriate labels to their respective targets. Note: not all labels can be used. o C(sp) –…

A: The covalent bond is formed by the overlap of the atomic orbitals between the atoms of similar…