What's in an Isotope Notation? 空) for the Direction: Using the periodic table of elements, write the complete shorthand notation following isotopes: 53 Fe 1. An isotope af Iron that has 3 more neutrons than Fe 62 Ge Ge 2. An isotope of Germanium that has 2 more neutrons than 50 Se Se 3. An isotope of Selenium that has 5 more neutrons than 24 Mg 4. An isotope of Magnesium that has 2 more neutrons than Mg... 235 U... 5. An isotope of Uranium that has 3 more neutrons than

Q: Draw the possible stereoisomers of 2-methylocta-4,6-dien-1-amine.  Note that E-, Z- isomers of each…

A: The stereoisomers of a given compound are the combination of both optical and geometrical isomers  E…

Q: The base dissociation constant for 2,5-pyridinediamine is Kb=3.0×10−8. Determine the pH of a 0.015…

A:

Q: Calculate the pH after the addition of 0.00 mL, 15.0 mL, 50.0 mL, and 60.0 mL of 0.100 M HCl in the…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A base that does not gain H + easily is called:   a. weak base   b. concentrated base   c. strong…

A: Define, Brønsted-Lowry theory,

Q: Calculate the concentration of H3O+ in a solution that contains 4.4 × 10–6 mol L–1 OH– at 25 °C.…

A: • The values provided in the question are:-  i) Hydroxide ion concentration of a solution, [OH-] =…

Q: After 3 half-lives, the activity of a radioisotope drops to _____ of the original. Group of answer…

A: We have to predict the activity with respect to original activity.

Q: The reaction below is the cause of sulfur deposits formed at volcanic sites. 2 H2S (g) + SO2 (g) 3 S…

A: Calculate the standard entropy change of the reaction ---

Q: Consider the reaction below: 2 SO3(g) =2 SO2(g) + O2(g) The Kp is 1.81 x 10-5 at 350.0°C. Calculate…

A:

Q: reducing agent?

A:

Q: Predict the major product(s) for each of the following reactions: 1) LIAIH 2) H30*

A:

Q: At pH 1, superoxide ions are is largely present in water as? о НО2 O H202* O HO22- O 02 O H2O,2+…

A: The superoxide ions formula is O2-.

Q: standard reaction free energy

A:

Q: Calculate the energy content (in Joules) of a 1.00 g of food product that is placed inside a…

A:

Q: solution is prepared disolving 2.00g of an substance in 10.0mL in water at 25°C. The freezing point…

A: Given- Weight of substance =2.00 gram  Volume of water =10.0 mL  T1=25°C T2= -0.350°C  Kf of…

Q: + а. Bohr b. Dalton C. Rutherford d. Thomson 3. Which atomic model was the first to show a nucleus,…

A: 27) in the Given figure, the model of an atom was proposed by Thomson.

Q: hen the concentration of H30* and OH ions are equal in a cup

A: When the concentration of H3O+ and OH- ions are equal in a cup of water.

Q: 1)Consider the process: H2O(l)->H2O(s): Decrease in entropy (delta S0) 2)Consider the reaction:…

A: Entropy is defined as the degree of ramdomness, more the randomness of the phase or system, higher…

Q: The pH scale is a measure of:   a. Relative concentration of a solution.   b. Relative acidity of…

A: pH is defined as negative logarithm of hydrogen ions dissolved in water.

Q: SOCI, 1. Mg/ether 3,4-dimethyl-1-hexanol pyridine 2. H,0 Cro/ H,SOJH,O OH %3D II OH он IV

A:

Q: What is the daughter nuclide when Th-231 experiences beta decay? (Write your answer as a symbol-mass…

A: Beta decay --> Beta decay is a type of radioactive decay in which protons are converted to…

Q: A voltaic cell is constructed from a standard Ag+ | Ag half cell (E° red = .799V) and a standard Br2…

A: Standard reduction potential: A solution with higher (more positive) reduction potential then the…

Q: A sample of argon gas occupies a volume of 8.67 L at 53.0°C and 405 torr. If the volume of the gas…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: A 1.00 L solution contains propanoic acid (C3 Hs O2 H) with a concentration of 0.210 mol/L, and…

A:

Q: What is/are the intermolecular forces that are present between CH4 (methane) molecules?…

A:

Q: mixture of 64.3 g of oxygen and 65.7 g of helium has a total pressure of 749 mmHg. What is the…

A:

Q: Chemistry Use the observations about each chemical reaction in the table below to decide the sign…

A:

Q: . 5 grams of fat are burned in a calorimeter, raising the temperature of 23 kg of water from 20 deg…

A:

Q: By mixing formic acid and sodium formate a buffer solution was prepared in a way that the (Formic…

A:

Q: Use the unbalanced neutralization below and the periodic table to calculate the answer. H,PO, (aq) +…

A: 1. Given ;-  H3PO4(aq) +Mg(OH)2(aq) → Mg3(PO4)2(s) + H2O(l)  Amount of H3PO4 = 7.49 g  To calculate…

Q: Step 1 of hydration of 2-methyl-1-propene: Note that the most stable carbocation is formed here.…

A:

Q: Predict the major organic product for the following reaction: CI NaOC(CH3)3 HOC(CH3), ox B C.

A: The haloalkane undergo elimination reaction to form alkene as the major product.

Q: Agl (silver iodide, Ksp = 8.51 x 101) is a low solubility/insoluble salt. Ag(CN)2 has a formation…

A: The explanation is given below-

Q: Heat and Enthalpy Problems 1. Suppose you mix 21.0 g of water at 52.7° C with 54.9 g of water at…

A: 1.) When hot water and cold water are mixed , then hot water will lose heat and cold water will gain…

Q: A. Put the following complexes in decreasing order of reactions rates under a dissociation reaction:…

A: Dissociation reaction occurs as Dissociation of ligand followed by association of ligand . Thus rate…

Q: A Het ion corresponds to the principle quan- tum number n 6. %3D How many states are there? The last…

A: s- subshell has 1 orbital and can have a maximum of 2 electrons.  p- subshell has 3 orbitals and can…

Q: For the reaction 2 Cr(s) + 3 Pb²*(aq) - 3 Pb(s) + 2 Cr³*(aq), what is the value of n in the Nernst…

A: Oxidation is removal of electron and increase its oxidation state whereas in  reduction reaction…

Q: What is the pH of a 0.64 M solution of NH3 (Kb = 1.2 × 10-5)?

A:

Q: give full and condensed electron configurations, partial orbital diagrams showing valence electrons…

A: To write: full and condensed electron configuration. Partial orbital diagram showing valence…

Q: that the [Formic acid] By mixing formic acid and sodium formate a buffer solution was prepared in a…

A: Given :- a buffer solution is prepared by mixing of  formic acid and sodium formate  [Formic acid] =…

Q: Answer the questions based on the following structural diagram: OCH,CH3 CH;CCH2CH3 ÓCH;CH3 1. The…

A: The question demonstrates about the formation of  acetal from its corresponding carbonyl and…

Q: A reaction has an equilibrium constant of 79 at 298 K. At 498 K, the equilibrium constant is 0.85.…

A: Formula used:  Van't half equation:  ln(K2/K1) = ∆H/R * [1/T1 -1/T2]  Where  K = equilibrium…

Q: Which of the following is the correct condensed structural formula for the structure below? O…

A: we need to covert the given structure to its condensed formula

Q: Do it all please ASAP

A:

Q: Which of these molecules contains the more basic nitrogen? O Neither molecule is basic. O They are…

A: The compound having the ability to donate a pair of electrons is basic in nature.

Q: concentration of malonic acid is 0.021M what is the ionic strength of malonic acid?

A:

Q: buffer solution is prepared by dissolving 1.50 g each of benzoic acid, HC7H5O2, and sodium benzoate,…

A: First to calculate moles of each.  Then using formula to calculate pH.

Q: え 一X HO OH HO 人

A:

Q: MIDTERM-EXAM (1) (Protected View) - Word A Dryan Zen References O Tell me what you want to do &…

A: The major functionality present in the given molecule is aldehyde along with hydroxy and alkyl…

Q: What solution can be obtained from the dissolution of Ethylamine Hydrobromide in water? a. acidic…

A: Given-> Dissolution of ethylamine hydrobromide in water. ->The solution of salt is acidic or…

Q: Examine the synthesis problem which converts 3-methylbutanoic acid to 2-…

A: Alpha halogenation of carboxylic acid by using Br2/ PBr3 in H2O   Reduction of carboxylic acid…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.