. A thermos bottle contains 250 mL of coldısh water (7 water P06 (. 25 g of ice-cold ice (Tice = 0 °C) are added to the thermos bottle. Calculate the final temperature in the thermos bottle, after thermal equilibrium has been established,

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: 7. F2 (g) NacI (s) +

A: Balance chemical equation, balance chemical equation can be define as the reaction in which number…

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: Which of the following elements is a metal? O о As I Sn Se

A: To solve this problem we have to identify the given elements as metals

Q: . Zn(s) + O2(g)

A: ZnO is formed .

Q: Calculate mass recovered.  Calculate percent recovery.  initial mass: 2.09 g watch glass + filter…

A: The question is based on the concept of experimental calculations. we have to calculate mass…

Q: In the blanks below, write two properties of lead: Property 1 Property 2 =

A:

Q: 1 CI 2 F 3 ||| 4 5

A:

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) The atomic mass of silver is 107.8682 u. Determine the mass density of Ag in g/cm.

A: Given, Atomic mass of silver is 1o7.8682 u Lattice constant = 4.09 Ao  Mass density = ?

Q: Q21. Compare graphite and diamond

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

Q: Provide (a) a plausible mechanism for the ollowing reaction which will form both products: .CI + ČI…

A: The question is based on the concept of organic reactions these are electrophilic aromatic…

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

A:

Q: what are refractory materials?

A: Materials that are inorganic non-metallic materials are called refractories.  They can withstand…

Q: What is the estimated average atomic mass for this element? A. less than 86 amu C. exactly 88 amu…

A: The instrumental method that is used to determine the structure of the chemical compound by…

Q: Given the following data 2 CIF(g) + O2(g) Cl2 O(g) + F20(g) 2 CIF, (9) + 202 (g) C, O(g) + 3F20(g)…

A: Interpretation: From the given reaction, the ∆H of the given equation is to be calculated.

Q: Cl CI

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

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

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

A:

Q: 3373 А

A: Pyridinum tribromide is a brominating agent. Here bromination of alkene will take place where…

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: 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: Ti+ [Ar] ↑ ↑ За 45 [Ar] 3d 45 [Ar] ↑ 1 ↑ ↑ 3d 45

A: Ti is 4th-period transition metal whose atomic number is 22

Q: nup = 2 nup = 3 = 4 Mup "up = 5 = 6 Mup ni, = 1 10.2 x 10^19 1.45 x 10^19 13.1 x 10^19 13.056 x…

A: The energy of any photon is related to wavelength as, => E = hcλ where E = energy of photon  h =…