Question 1 An volcanic rock is dated using the Potassium-Argon dating method. It is found dhat the ratio of Ark is 2.559%. Calculate the age of the rock knowing that the half-life of K-40 is 1248X10 years 1. Calculate the age of the rock

Q: c2. Subject :- Chemistry

A: The question is based on the concept of organic reactions.we need to write mechanism and explain the…

Q: The radius of a strontium atom is 215 pm. How many strontium atoms would have to be laid side by…

A: Given that Radius of strontium atom = 215 pm . Since we know that Diameter = 2 × Radius =2 × 215 pm…

Q: Use the References to access important values if needed for this question. [References] 1 pts M) 1A…

A: Dear student I have given answer to your question in the image format.

Q: C) Eto. ال meo. + + Co₂ Et [11 CHO I 7 CHO 7 e) Mod +- -

A: Use cycloaddition reaction in presence of heat Stereochemistry keep in mind of each reaction.

Q: 843 nm to m

A: Introduction- Conversion factor from nanometer(nm) to meter(m) is as follows- 1nm = 10-9m 10nm =…

Q: Mg + O2 ------> MgO Na2CO3 -------> Na2O + CO2 C3H8 + O2 -------> CO2 + H20

A: As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost other…

Q: Archeologists discover a gold crown in an ancient tomb. When they place the crown in a tub of water…

A: In the question , Following datas given - (1) Volume of gold crown, displaced by it on placing it in…

Q: a Pzonite hhe Durte None q thue 8keltel CIlner bond) 8 tmeture.

A:

Q: 8. If matter is uniform throughout and cannot be separated into other substances by physical…

A: Matter is divided into two categories. 1. Homogenous  - The matter is uniform throughout  2.…

Q: 19 Which of the following most accurately models the relationship between compounds and elements? A…

A: Given: 19. Models to determine the relationship between elements and compounds.

Q: D) HCI(g) + 40¿(g) Z ĮCL,(g) + ¿H,O(g) c) 4HCİ(g) + O2(g) 2 2C1,(g) + 2H,O(1) d) C(s) + CO,(g) 2…

A: In equilibrium constant expression partial pressure of gas and concentration of aqueous species are…

Q: Fill in the values as indicated: 212Po + H -> A = Z =

A:

Q: 2p 2s 1s 30 17g 30% 1u 201 20 101 10g Q2/ Complete the following diagram for the carbon molecule…

A:

Q: A 10.61 gram sample of a certain hydrate of copper (II) sulfate, is heated until all the water is…

A: The question is best on experimental technique of determination of molecular formula of the hydrate.…

Q: 5. HITACHẾ H£=AF 0 H₂ 2dtm 25%℃ #2 boa /30°c

A: We know H2 generally reduces double bond but with increase in reactivity i.e at high temperature and…

Q: Predict the main products of the following reaction

A:

Q: Q21. Compare graphite and diamond

A: Graphite and diamond are allotropic forms of carbon that exist in nature.

Q: 4. 17 dm – cm 5. 299 W → TW

A: Consider the given conversion is as follows; 17 dm → cm 299 W → TW

Q: de ase o Considering what you now know about Charles' law, make a prediction based on the foll…

A: According to the Charle's Law, the volume of a gas is directly proportional to the volume of gas. It…

Q: Calculate the amount of material remaining for each of the following substances. 5.25 g Rn-222 (t ½…

A:

Q: A mixture of copper sulfate and water is heated, leaving a residue of copper sulfate in the…

A: The solution is given below -

Q: Is it supposed to be 10^-14 which would equal 13.4 or 10^24 which equals 23.4?

A: Given :  Kw at 50°C = 3.95 × 10-14

Q: Cl CI

A: The longest chain of carbon atoms is first selected. It is considered as the parent chain. The…

Q: Using the provided standard reduction potentials, which of the following cells is an example of a…

A: For a galvanic cell to function reduction potential of cathode must be greater than anode to be…

Q: . An iron supplement is used to treat anaemia and 50 mg of Fe2+ is required per tablet. If the iron…

A: The question is based on quantitative estimation. we have to calculate how much compound is required…

Q: Which one is the most common method used for the purification of liquid mixtures?

A: The mixture of liquid can be separated by different methods into pure liquids.

Q: 6a Kami Uploads they? 6. Which element has the longest name? Which element has the shortest name?

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

Q: 3. +¹C 3 n + 103Lr 1. 4. 35Cl + p 17 4 20 α + 5. 235Cm + In → 96 91 + 8 n + Zr

A: Balancing a nuclear reaction involves making sure that the total number of protons and neutrons…

Q: 2.) Suppose you're attempting to measure the density of a liquid that is highly volatile (it…

A:

Q: Q2 : Ve NA Calculate the density of the following metals. Atomic weight A (g/mol ) Atomic radius…

A:

Q: How do you expresse the volume in cubic angstroms when the atomic radius is 1.76?

A: Given: Atomic radius = 1.76 Ao Note: As, type of unit cell is not mentioned. We are considering a…

Q: The element titanium is now being used as a structuralmaterial for bone and joint replacement…

A: Titanium belongs to group four. It is solid metal at room temperature with an electronic…

Q: The core of planet Earth is primarily composed of oxygen and silicon O gold and silver O iron and…

A:

Q: Is the underlined part of the macroscopic domain, or the microscopic domain of chemistry ? A carbon…

A: The term macroscopic refers to the objects that can be seen by the naked eyes. Macroscopic is just…

Q: 2.5 x 3.42. The answer to this problem would be 8.55 Select one: O True O False

A: Rules for determining the number of significant figures in an answer :The result of multiplication…

Q: Which statement about detecting temperature is TRUE?   Nociceptors detect small changes in…

A: Incorrect options are : 1.)    Nociceptors detect small changes in temperature.    Reason :it…

Q: Q22. Explain A. BF3 is a weaker Lewis acid than BC13? B. The structure and reactivity of B₂H6 is…

A: Lewis acids are electron acceptor.B has vacant P orbital so it can act as lewis acid.

Q: Q20. Determine the direction of the reaction. (draw an arrow to show the real direction) A. Bal2 +…

A: Note: Since you have posted a question with multiple sub-parts, we will provide the solution only to…

Q: Show the product expected when the following unsaturated 8-ketoester is treated with each reagent.…

A: The product expected when the given unsaturated δ-ketoester is treated with the given reagent has to…

Q: h Oxidation: Cr2+→ Cr³+ + e Reduction: Cu2+ + 2 e² → Cu Net: 2 Cr2+ + Cu2+ Cu + 2 Cr³+ What is the…

A: Oxidation is defined as an increase in the oxidation state of the element.It can also be defined as…

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.