What particle is emitted when Cobalt-60 decays to nickel-60? A. neutron D. a-particle B. proton E. b-particle C. positron

Q: 100.0 mL of a 0.530 M solution of KBr is diluted to 500.0 mL. What is the new concentration of the s...

A: • The values provided in the question are:-    i) Initial concentration of KBr solution, M1 = 0.530 ...

Q: Referring to the above question, what are the units for the rate constant k? O s-1 O s-1M-1 O sM O s...

A: We would use given value of slope to determine the value of slope and its unit. 

Q: Identify the best reagents to complete the following reaction.

A:   Aldehyde functional group is -CHO , ketone functional group is RCOR  Aldehyde and ketone both  fu...

Q: A reaction is run and the rate constant found to be K=6.77 X 10^10 at 560K, repeated measurements at...

A: Given data,Rate constant (k)=6.77×1010Temperature (T)=560KActivation energy (Ea)=74.8kJ/mol

Q: Convert the measuring units as indicated. 1. 10560 ft = mi 2. 21120 ft = mi 3. 8800 yd mi %3D

A: 1 mile (mi) = 5280 feet (ft) 1 mile (mi) = 1760 yard (yd)  

Q: Consider the reaction A+2B⇌CA+2B⇌C whose rate at 25 ∘C∘C was measured using three different sets o...

A:

Q: A 2-ml seawater sample was diluted to 100 mL with distilled water. A 16-ml aliquot of the diluted sa...

A: Given: Volume of sample used = 2 mL. Initial sample is diluted to 100 mL. And Mohr method is used.  

Q: 1. Lithium reacts with oxygen to form lithium oxide according to the equation: 4Li + O2 = 2Li2O. If ...

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly repos...

Q: Exactly 4.0 g of hydrogen gas combines with 32 g of oxygen gas according to the following reaction. ...

A: Here,the reaction is given to form water from hydrogen and oxygen.we have to calculate various thing...

Q: When cobalt(II)chloride dihydrate is dissolved in water or ethanol what species are present in both ...

A: when cobalt(II) chloride dihydrate is dissolved in water, the species  water is present. 

Q: If a 1.065 g sample of magnesium oxide of 84.736% were treated with 50 mL of 1.017 N sulfuric acid, ...

A:

Q: what reagents can you use to connect the cl to the double bond to make it all one product? CI 3D0

A:

Q: Explain in detail how you would go about calculating the percent oxygen in magnesium nitrate.

A: To determine: Percent of oxygen in magnesium nitrate i.e. Mg(NO3)2. Assuming 1 mole of Mg(NO3)2.  

Q: What quantity in moles of LiBr are in 55.3 grams of LiBr?

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to ...

Q: Why is the vapor pressure of the solution containing a non-volatile solute lower than the pure solve...

A:

Q: A solution is prepared from 2.00 x 10 2 g of sucrose (342g/mol) and 3.5 x 10 2 g water (18 g/mol). T...

A: Given values- Weight of Sucrose = 200 gm Weight of water = 350 gm Vapour pressure of water = 17.5 mm...

Q: Name of Experiment:

A: In this question we have to explain the mole - ratio method and continuous various method.

Q: Which is a zinc ore and is used in paints, sunscreen and coins? A. Anhydrite B. Bauxite C. Cha...

A:

Q: For potassium (K), the work function equals 3.669 x 10 19 J (per photon). a) What is the minimum fre...

A:

Q: The equilibrium constant, Kc, for the decomposition of COBr2 is 0.190 at 25°C. COBr2(g) S CO(g) + Br...

A: Given :-  COBr2(g) <----> CO(g) + Br2(g)  Kc = 0.190  Temperature = 25°C  To calculate :-  Val...

Q: 3A + 8B → C + 5D [D] (M) [A] (M) 55.3 41.2 35.8 21.9 11.6 Time (sec) 0.74 1.88 7.16 19 32 12.04 61 1...

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Q: а. 0.0 mL pH = b. 20.0 mL pH = с. 30.0 mL pH = d. 40.0 mL pH = е. 90.0 mL PH =

A:

Q: Balance the following chemical reaction and determine the coefficients of H2O and AIK(OH)4, respecti...

A: Balanced chemical equation is the equation in which number of atoms on left hand side and right hand...

Q: Draw the major product of this reaction. Ignore inorganic byproducts. H3O*

A:

Q: how many molecules of acetylene (C2H2) are in 1.79 moles of acetylene?

A: We know that according to mole concept., Number of molecules in one mole = Avogadro Number = 6.022×1...

Q: Answer the following questions for the redox reaction below 2 MnO, (aq) + CI (aq) + H2O (1) → 2 MnO2...

A: Either loss of electrons or gain of electrons an element can exhibit oxidation number. By loss of el...

Q: What is the normality of an aqueous solution of ferrous sulfate if 41.50 grams of FeSO4 were added t...

A:

Q: A mixture of 0.600 mol bromine and 1.600 mol iodine is placed into a rigid 1.000 / container at 350 ...

A: We have to predict the equilibrium constant value.  

Q: liter iHer of a certin gas Weighs grams at STP the mass of mole of gas is?

A:

Q: The boiling point of sulfur is 444.6°C. Sulfur’s melting point is 593°F lower than its boiling point...

A:

Q: 10.11 Write equations for the following processes, noting appropriate conditions: (a) electrolysis o...

A: As per the rules only the first three sub-parts of a question can be answered. Please repost the oth...

Q: voltaic cell consists of a Pb/Pb^2+ half-cell and a Cu/Cu^2+ half-cell at 25 ∘C. The initial concent...

A: Given : We have to calculate the cell potential.

Q: What is a phase diagram?

A: Phase diagram is a graphical representation of the physical states of a substance under different co...

Q: What is the molecular weight of Ca3(PO4)2? amu

A: Determine molecular weight of the given compound---

Q: At a certain temperature, the equilibrium constant, Kc, for the reaction below is 2.50. CO2(g) + H2(...

A:

Q: What happens to the atomic number when the reactant nucleus becomes the product nucieus? What happen...

A: The atomic number and mass number remains the same during chemical reaction that is when reactant nu...

Q: Which solution is most likely isotonic?

A: We would first define isotonic solution , then we would find which solution is isotonic .   

Q: Which two sulfides can be dangerous to the human body?     A. azurite and cuprite     B. hematit...

A: sulfides can be dangerous to the human body are 

Q: 4. Chromatograms of compounds A and B were obtained at the same flow rate with two columns of equal ...

A: Unadjusted Relative retention time is given as : tr(B)/tr(A)

Q: Given that the ratio between U235 and Pb207 analyzed from the igneous intrusion (K) is 1:3 and half-...

A:

Q: Ammonia and oxygen react to form nitrogen monoxide and water, like this: 4 NH3(g) + 50,(9) → 4 NO(9)...

A: The balance chemical reaction :  4 NH3(g) + 5O2(g) ---> 4NO(g) + 6H2O(g)  At equilibrium pressure...

Q: What is the molecular weight of Magnesium Oxide (g/mol) Mg=24 O=16

A: molecular weight of Magnesium Oxide can be calculated  by knowing  the mass of each atoms of Magnesi...

Q: Please provide the balanced equation in the space provided, making sure to note each reactant and pr...

A: The combustion is a reaction which takes place in the presence of oxygen. The hydrocarbons (compound...

Q: Determine the number of atoms in 53.0 grams of bromine, Br. (The mass of one mole of bromine is 79.9...

A:

Q: Calculate the mass (in grams) of each of the follov species: (Enter your answer to four significant ...

A: Molar mass is equal to sum of atomic mass of all atom in molecules

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

A: When two aqueous solutions are mixing together gives any solid product that will precipitate. 

Q: 9. A gas obeys the van der Waals equation with P, = 3.040 x10 Pa and T. 473 K. Calculate the value o...

A:

Q: how does DCM and water extract caffeine from coffee and why would we have a low yield vs expected?

A: Caffeine is more soluble in DCM than water. 

Q: uots of 20-µl cell ly

A: To start experiment we should first have to know which equipment and glassware we need so that we ca...

Q: 2.050 g of an unknown sample contains H, S, and O. If the compound contains 0.0500 gHand 0.800 g of ...

A:

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.