What is the half-life of bismuth-210 if 17.3 days are required for the activity of a sample of bismuth-210 to fall to 9.12 percent of its original value? days

Q: Are there any other suggestions

A:

Q: QI- Complete the following table with chemical formula and name: Ion Chemical equation with name and…

A: Balanced chemical reaction: A reaction in which the number of each atom on the reactant side is…

Q: 5. If equal volumes of the silver nitrate and aluminum chloride solutions were mixed, what value…

A: The aim of this question is to show the expected conductivity of a mixture formed by combining equal…

Q: For Questions 20-24 consider the following scenario: A 0.8390 g of an unknown sample containing…

A:

Q: Convert 22 miles to kilometers if 1 inch = 2.54 cm

A: Since we know that 1 inch = 2.54 cm 1 mile = 63360 inches.  1 m = 100 cm 1 km = 1000 m By using the…

Q: pt Balance the following word equatiou and rewrite it using chemical tornulas. pt silver nitrate(aq)…

A: Given reaction:  Silver nitrate (aq) + sodium chloride (aq) ==> sodium nitrate (aq) + silver…

Q: 4. (a) Define chemical bond. Explain the ionic bond with example. (b) Write down the characteristics…

A:

Q: 11 OMe

A: Sorry for providing the handwritten answer. It is easier to me to draw through handwritten to show…

Q: 12. Calculate the number of millimoles contained in 500 mg of each of the following substances: (a)…

A: Generally for moles we can use the following formula Moles=In the case of milli moles we use mass of…

Q: Write chemical equations to represent the followingreactions.(a) Calcium phosphate is heated with…

A: As you have posted multiple questions in a single request, we will solve the first part for you. To…

Q: 35.) when balancing chemical equations,blginning students often tempte formula (the subscripts) to…

A: In a compound, the element symbol represents what is present in the compound whereas the subscript…

Q: 4) Two notable physical properties of oxygen are its low solubility in water and a density greater…

A: We have find out the answer.

Q: Which of the following is a compound? O 1. Gold O 2. Iron O 3. Milk 04. Sucrose O 5. Coffee

A: Compound is a substance made up of two or more different elements that are chemically bonded…

Q: (1) In the table below, list the apparatus and chemicals required for this experiment. Apparatus…

A: Step 1: balance the different types of atoms in the given chemical equation in the both sides of the…

Q: Masses :  Ca = 40.08 g   S= 32.07 g  O= 16.00 g  A 35.0 mL sample of CaSO4 was evaporated to…

A:

Q: The corn-rich diet of the rural South contained very little trytophan, an essential amino acid that…

A: Line water is a mixture of slaked lime and quicklime.  The chemical formula of slaked lime is…

Q: You have a solution consisting of magnesium chloride and want to find out the concentration of…

A: We have to explain the analysis that needs to be done to find out the concentration of magnesium…

Q: 12.A solution of sodium chloride (NaCl) in water is prepared by diluting 5.51 g of the salt in…

A:

Q: For the following reaction, 29.0 grams of calcium hydroxide are allowed to react with 23.7 grams of…

A:

Q: a) This question concerns the group (iv) elements carbon, silicon, germanium, tin and lead. i)…

A: Element    Structure of element                          OxideC6                Diamond, graphite,…

Q: A 54.1-g sample of NaBr is dissolved in water to give 550. mL of solution. The concentration of the…

A: The mass of solute, NaBr is = 54.1 g The volume of the solution is = 550. mL The concentration of…

Q: ues if needed for this question. A student wants to prepare a solution of chromium(II) iodide with a…

A:

Q: Write the chemical equation involved silver nitrate test. And explain in your own words, the…

A: Silver nitrate test is used for the qualitative analysis of chloride ions.

Q: Mass of sodium is 22.99, oxygen 16.75g hydrogen 1.21g how many grams of NaOH are in 305 ml of a .6M…

A: Given : Concentration of NaOH solution = 0.6 M And volume of NaOH solution = 305 mL = 0.305 L…

Q: Describe in detail the steps involved to prepare the solution below. a) 1 Molar anhydrous Ferrous…

A: The steps involved to prepare the solution below. a) 1 Molar anhydrous Ferrous Sulfate has to be…

Q: iii) H* + OH- → H2O AH° =- 57.32 kJ is an example of ....... a) heat of formation b) heat of…

A: Enthalpy (heat) of a reaction is the energy required or released in a chemical reaction.  Therefore,…

Q: The first compound to be prepared in the laboratory was(a) Methane(b) Ethyl alcohol(c) acetic acid…

A: German chemist Wohler in 1828 obtained urea artificially by treatment of silver cyanate with…

Q: What initial volume of a 24.00 M solution must have been present in order to allow for a 0.1000…

A: As we know , Moles the solute remains same on dilution but volume of the solution increases.…

Q: In the Analytical Chemistry laboratory, one of the B.Sc student Ms. Fatma wanted to analyze the…

A: Spectrophotometer

Q: Give a clear handwritten answer  ..?

A: Solid cobalt(II) nitrate is slowly added to 50.0 mL of a 0.0588 M Potassium  carbonate solution. The…

Q: ercentage by mass of aluminum iodide in the solution is %.

A:

Q: A chemist must prepare 100. ml. of 1.00 M aqueous barium acetate (Ba(C,H,O.),) working solution.…

A: Here we are required to find the volume of barium acetate solution needed to prepare 100 ml of 1M of…

Q: Use the References to access important values if needed for this question. A student weighs out a…

A: Given -> Weight of KI = 3.47 gm  Volume= 100 ml = 0.100 L (1L = 1000ml)

Q: What can you reasonably predict to occur when elemental bromine is added to a solution containing…

A: Elemental bromine oxidized iodide ions to iodine.  A red iodine solution is formed if small amount…

Q: Which of the following is not an application of colorimeter? O Paints O Inks O Cosmetics O…

A: This question of colorimeter is taken from single and double beam instrument in portion colorimeter.…

Q: What is the practical application of gravimetric method of analysis

A: Gravimetric analysis is the quantitative analysis of an analyte. The composition of the materials…

Q: The mass of the original mixture was 2.03g. The combined mass of the salt and the evaporating dish…

A: Mass of original mixture = 2.03 g Mass of salt = Combined mass of salt and dish - tare mass of dish…

Q: At a particular temperature, suppose that 24.4 g solute is added to 50.0 g water and, after mixing,…

A: At a particular temperature,Mass of Solute Added =24.4 gMass of Solute Undissolved= 0.3 gMass of…

Q: Please don't provide handwritten solution ...

A: The question is asking why it is necessary to wash colored iron pills before grinding and weighing…

Q: 4 Discuss the process of sampling and preparation of laboratory sample in quantitative analysis.

A: Sampling is a process in analytical chemistry.

Q: Calculate the molarity of a solution prepared from dissolving 1.601 moles of Na2S in 654 mL of…

A: Given,moles of Na2S = 1.601 molvolume of the water = 654 mL

Q: A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs…

A: Given: The mass of the oxalic acid taken = 294 mg The volume of the NaOH solution taken = 140.7 mL…

Q: Which of the following statement(s) is/are false? I) The process of determining the composition of…

A: By chemical analysis, we can detect various ions. By several chemical tests, we can determine which…

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.