NUCLEAR CHEMISTRY: Consider the nuolei 117, 50Sn. Determine its mass defect in kilograms if its atomic mass is 116.93 amu. The mass of a proton and neutron are 1.0073 and 1.0087 amu, respectively. Express your answers in three decimal places in scientific notation, i.e, 6.022e23 to represent 6.022 x 1023. Do not include the unit.

Q: A sample of mercury with a mass of 114.0 g was combined with 12.8 g of oxygen gas, and the resulting…

A: The reaction taking place is  2 Hg + O2 -----> 2 HgO Hence from the above reaction we can say…

Q: where did the 1.479 come from?

A: Solution : Your doubt arises in the given step: 4.93 = 4.46 + log [( 40 + 3.5V mL) / (60 - 3.5V mL)]

Q: Lithium has two stable isotopes, 6Li and 7Li. If a sample is composed of 48.0% of the lighter…

A: Average mass of an element is defined as the atomic mass of the element calculated by multiplying…

Q: What fraction of the a particles in Rutherford’s gold foil experiment are scattered at large angles?…

A: Given , diameter of gold atom = 2.7 Å  diameter of the nucleus = 1010-4Å

Q: 23. Ammonia is synthesized from hydrogen and nitrogen. N2 (g) + 3 H2(g) - -> 2 NH3 (g)lf 5.00 L of…

A: Given that: N2(g) + 3H2(g) ....> 2NH3(g)  Volume of N2(V) = 5.00L T = 298 K P = 3.00 atm

Q: 6Li + N2 --> 2Li3N If 50 g Li react with 40 g N2, what is the maximum mass of lithium nitride…

A: To Solve this problem we will the given balanced chemical equation.  First we will find the limiting…

Q: 2. Mass of crucible and cover, second heating 51.2235 52.2083 3. Mass of covered crucible plus…

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

Q: radidactive research, particulary in studies mass (in mg) oudsoud g of Na, 32PO, after 40.0 days?…

A: Radioactive decay follow first order kinectics. Half life = 14.3 days

Q: How many years would it take for one mole of this radioactive material to decay so that just one…

A: The time which is required for the decay of one half of the amount of the species is called half…

Q: 17. 75.21 °C, Ca(s) + 2 H,SO, () → CaSO,(s) + SO2 (g) + 2 H20((0) 18. 982 K, C¿H2 (9) + 5 N,0(g) → 2…

A: Given Reaction C2H2(g) +5N2O(g) →2CO2(g) +H2O(g) +5N2(g)To calculate ∆G° at 982 k∆G° = ∆H°-T∆S°∆H° =…

Q: What is the mass in kilograms of 5.6 x 1027molecules of carbon tetraiodide?

A: Number of molecules of carbon tetraiodide (CI4) is 5.6 × 1027 One mole contains Avogadro’s number of…

Q: 99 235U + in → 2;Zr+ 135Te + 2X + ön ŽZr +

A:

Q: 234 Uranium has three common isotopes. If the abundance of *U is 0.01%, the abundance of U is 0.71%,…

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: I need help with the last four calculated values please!!!!

A: 1.) Total mass of MgCO3 + CaCO3 is calculated as : Mass of MgCO3 + Mass of CaCO3    Where, mass is…

Q: 2. A test of an automobile engine's exhaust revealed that 3.7 g of NO2 was emitted in 10 minutes of…

A: given mass of NO2 gas emitted= 3.7g gas emitted in 10 min. = 3.7 g molar mass of NO2 =14+ 16×2= 46g…

Q: How many molecules are there in 1000 grams of  C12H22O11  or table sugar?

A: We have to calculate the  number of molecules in 1000 g of table sugar.

Q: 5. How many atoms of uranium are there in the 3.69 g of pure uranium that Iran has produced?

A: Answer for the following question is

Q: How many protons are contained in a circular puddle of liquid mercury that is 6.25 inches wide and…

A: In the given question we have to calculate the number of proton contained in a circular puddle of…

Q: The radioactive nuclide with the symbol 75Se is used to measure the shape of the pancreas. What is…

A: The atomic number of Se is 34 and the mass number of this radioactive nuclide of Se is 75. Atomic…

Q: What is the mass in grams of ^16O with 15.995 u ?

A: Unified mass unit:- Theu unified mass unit (u) is a unit of atomic and molecular masses. It is…

Q: 18.5 How many moles are in a 2.40 cm × 2.40 cm × 2.40 cm cube of copper?

A:

Q: Why is it important, in carbon dating, to consider the ratio of carbon-14 atoms to other carbon…

A: Applying carbon dating principle i.e . ratio of C-14/ C-12 . As shown my handwriten solution.

Q: What is the mass in grams of 9.76 × 1012 atoms of naturally occurring potassium?

A: mass = 6.32 x 10-10 g

Q: Magnesium burns in air with a dazzling brilliance to produce magnesium oxide: 2Mg (s) + O2 (g) →…

A: The question is based on the concept of Reaction Stoichiometry.   limiting reagent is the reagent…

Q: Find the number of electron and neutrons in the following:  195Pt+2

A: 195Pt+2 Mass Number = 195  Charge = +2  Number of electrons = ? Number of neutrons = ?

Q: 3.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: The empirical formula is the chemical formula of any compound that represents the proportions of…

Q: hydrogen-2 hydrogen-3 phosphorous-32 p* = p* = p* = e = e = e = n° = n° = n° = uranium-238…

A:

Q: natural rubidium has the average mass of 85.4678 AMU and is composed of isotopes Rb 85 (mass =…

A: Average atomic mass = ∑i=1XiMiWhere X = mole fraction of the isotope and M is the mass of the…

Q: 2KCIO,(s) 2KCI(s) + 302g) If 17.8 g of potassium chlorate is heated and decomposes, find the mass of…

A:

Q: If 21.4 g of aluminum is reacted with 91.3 g of Fe2O3, the prodücts will be Al2O3 and iron. What…

A: Limiting reagent: In a chemical reaction, the reagent that totally consumed is known as a limiting…

Q: What number is 5.12234E3 in standard form?

A: Given that;     A number 5.12234E3 , we have to convert in into standard form.

Q: What mass of magnesium contains the same number of particles as there are in 6g of carbon 12

A: Given,  Mass of C = 6g  What mass of magnesium contains the same number of particles as there are in…

Q: Lithium nitride reacts with water to produce ammonia and lithium hydroxide according to the equation…

A: Given;

Q: 5. How many protons (P), neutrons (n) and electrons (e) are present in 18173Ta-³? a. 76 p 105 n 73 e…

A: (5) The number on the bottom left corner is the atomic number, which tells you the number of…

Q: of a Hydrate 23.43 29.24 26.31 1. Mass of crucible 2. Mass of crucible and hydrate 3. Mass of…

A: The question is based on the concept of molecular formula determination. we have been given…

Q: length of 0.286 nm. What is its g

A: From the density formula,  d = Z×MM/NA×a3 Where,  d = density  MM = molar mass NA = Avogadro's…

Q: If my energy usage is an average of 998.79 kilowatts/hours per month in the last 12 months. How many…

A: The energy of a system is a property associated with it and is used to perform a notable quantity of…

Q: Complete the following equation by filling in the blank. 24696Cm + 126C → ____ + 4 10n

A: A question based on nuclear reactions, which is to be accomplished.

Q: Calculate the mass in grams of each of the following and provide the answer in scientific notation…

A: The number of moles is equal to the ratio of mass to the molar mass of the atom. It is denoted by n.…

Q: Consider the following equation: The mass number of element X is: 247A + 18B → 89C + {x}X + 2 1n

A: 247A  + 18 B ---------------> 89C  +   xX  + 2  1n

Q: Mass of crucible and cover   12.73g 2. Mass of crucible, cover, and sample   24.11g 3. Mass of…

A: Total mass lost by sample during heating = Mass of crucible, cover, and sample - Mass of crucible,…

Q: the mass of Cu (63.35 g/mol) used to create Cu2S was 41.95 grams. what theoretical mass of Cu2S…

A: The balanced reaction of Cu to form CuS is,                       2 Cu + S  ---->  Cu2S Clearly,…

Q: 7.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Given:Mass of CO2 = 10.86 g.Mass of H2O = 5.33 g.Molar mass of CO2 = 44 g/mol.Molar mass of H2O = 18…

Q: What is the mass of 1.6 x 1021 neon atoms?

A:

Q: In Raiders of the Lost Ark, Indiana Jones tried to remove a gold idol from a booby-trapped pedestal.…

A: Given : Mass of gold idol = 2.00 Kg And density of sand = 3.00 g/cm3 = 3.00 Kg/L…

Q: 8. How many milligrams of iron are delivered from a 250. mg tablet of FeSO,-7H,O? Percentage %CaCl,…

A: Q9) U3O8 molar mass                 Atomic mass of U =238       Atomic mass of oxygen =16…

Q: Determine the nuclear composition (number of protons and neutrons) of the following isotopes. (a)…

A: Since you have posted questions with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: how do i do this

A: Given,Mass of ND3 = 295.0 mg = 0.295 g   (1 mg = 0.001 g)Moles of ND3 can be calculated as:

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.