Chemistry Question

Q: You have a 3.48M stock solution of table salt. How much of this solution (mL) would you need to use ...

A: Initial concentration of stock solution, Minitial = 3.48 M Final concentration of solution, Mfinal= ...

Q: Unknown Metal 1 Unknown Metal II Mass of metal =  Mass of metal =  Initial Temp = Init...

A: The specific heat required to raise the temperature of a substance is given as :

Q: What is ∆H (in kJ/mol) for a reaction where the activation energy is 250 kJ/mol while the activation...

A: We are given that the activation energy for the reaction (forward) is 250 KJ/mol and that of the rea...

Q: Write the balanced equation, then outline the steps necessary to determine the information requested...

A: The required solution is as follows:

Q: 16. Calculate the K, for an unknown acid HX, given that a 0.25 M salt solution NaX has a pH of a 8.4...

A: Nax is the salt of a weak acid and a strong base. X-+H2O↔HX+OH-

Q: Draw the skeletal structure of an isomer of this alkene that does not have any t-bonds in it

A: Isomers are the molecules with a same molecular formula, same number of atoms and bonds but differen...

Q: Explain why each of the following chemical equations is not a correct formation reaction:(a) 4 AI(s)...

A: a.

Q: Question 6 The crystallographic information of a material cannot be related to the: O Interplanar sp...

A: Crystallography is used to determine the basic structure of a solid, like how the atoms are being ar...

Q: b: A compound is 16.2% carbon, 18.9% nitrogen, and 64.9% oxygen. Its formula mass is around 296 amu....

A:

Q: Calculate the pH of the buffers prepared in the following ways: a. by mixing 50.00 mL of 0.200 M amm...

A: As you have posted multiple subparts in 1 question, hence we are solving only first 3 subparts for y...

Q: The reaction X + X₃ → 2 X₂ is shown to have an activation energy of 25 kJ/mol while the enthalpy of ...

A: Given,  X + X₃ → 2 X₂ Activation energy = 25 kJ/mol Enthalpy of reaction (∆H) is -388 kJ/mol

Q: Draw the resonance structures for the following compound and circle the one that contributes most to...

A: The resonance structures are the structures, which is used when the chemical bonding of a compound c...

Q: 1.90 gg H2H2 is allowed to react with 9.94 gg N2N2, producing 2.98 gg NH3NH3. What is the percent...

A:

Q: Explain Hydration—Electrophilic Addition of Water ?

A: The chemical reaction involving addition of water to double bond or triple bond is known as hydratio...

Q: Calculate the pI of asparagine amino acids:

A:

Q: Draw the resonance structures for the following compound and circle the one that contributes most to...

A:

Q: Rank the Acidity of the following sets of compounds. Give an explanation for the answers.

A: Acidity us defined as tendency to donate lone pair or releasing of H+  Most stable anion is higly ac...

Q: . Specify the number of single, double, triple covalent bonds present in the N2 molecule.

A: Nitrogen is an element whose atomic number is 7. It belongs to p block in the periodic table.

Q: How many sodium atoms are there in 25.00 g of sodium carbonate, Na2CO3? Its formula weight is 106 g/...

A:

Q: Identify three functional groups in metiamide that contain a heteroatom. Metiamide is a histamine H2...

A: Typical heteroatoms are nitrogen (N), and Sulfur (S) in the given compound metiamide. The functiona...

Q: Chemistry Question

A:

Q: Which of the following is /are primary (1°) alcohols? 21

A: Primary alcohol means carbon(which have OH) should be attached only 1 other carbon  So in molecule 3...

Q: I need to calculate the percent sulfate in unknown. I have the mass of BaSO4 in the reaction as 0.25...

A: Assuming that all the sulfate in the unknown sample is due to the amount of barium sulfate taken, th...

Q: The number of N atoms in 10.0 moles of NH 3 (subscript)

A: Given mole=10 Total  atoms = atomicity×mole×6×1023 Atomicity is total atoms in 1molecule of compound...

Q: Silver is a metal commonly used in jewelry and photography. It crystallizes with a FCC unit cell 0.4...

A:

Q: Calculate the pH and pOH of a 1.00 × 10-3 M solution of acetic acid (Ka = 1.75 × 10-5

A:

Q: isotope with one more neutron

A: Isotope are one of two or more species of atoms of a chemical element with the same atomic number an...

Q: Draw the resonance structures for the following compound and circle the one that contributes most to...

A: Resonance structure: If the Lewis structure of a molecule or ion cannot explain by a single structur...

Q: Determine the specific heat of a material if an 18g sample absorbed 75 J as it was heated from 15°C ...

A: Given, mass of material m =18 gamount of heat absorbed by material q = 75 Jand it was heated from 15...

Q: Identify three functional groups in metiamide that contain a heteroatom. Metiamide is a histamine H2...

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

Q: In a complete sentence, write a rule for forming the name of an anion.

A: Monoatomic anions are named by adding suffix ide to the stem of the name of the nonmetallic elements...

Q: Name the compound or supply the chemical formula:

A: As per the rules, the name or symbol of cation is written first followed by that of anion. If the ca...

Q: A gas sample contains 16.0 g of CH4, 16.0 g of O2, 16.0 g of SO2, and 33.0 g of CO2.  What is the to...

A: Given,     A sample of Gas contains -     16.0 g of CH4     16.0 g of O2     16.0 g of SO2     33.0 ...

Q: a. With what element is the 3s subshell first completely filled?b. With what element is the 5d subsh...

A:

Q: Calculate the standard enthalpy change for the reaction at 25 ∘C. Standard enthalpy of formation val...

A:

Q: Convert the following into a balanced equation: When nitrogen dioxide is bubbled into water, a solut...

A: Balance Chemical equation means no of atoms should be equaal in both side reactant and product

Q: Element Compound carbon dioxide iron gold steel sugar potassium silver hydrogen air salt water carbo...

A: Element: The substance that is made from a single type of atoms called an element. All the atoms in ...

Q: What do you know about crystallographic points? Explain

A: A point, line or plane by which an object leaves a reflection indistinguishable from the original on...

Q: Looking at your graphs, what relationship do you think exists between atomic radius, ionization ener...

A: Hello. Since the question contains multiple parts, only the first part is solved. In case the soluti...

Q: The postion of the OH resonance of phenol varies with concentration in solution, as the following ta...

A: The force of attraction between hydrogen and a highly electronegative element(F,O,N) is known as hyd...

Q: Like many metals, aluminum reacts with a halogen to give a metal halide: 2 Al(s) +3 Br2 (4) → Al,Bre...

A:

Q: 1.

A: All acid base indicators have a functional pH range, let' say a to b. Below pH 'a', it shows its aci...

Q: What are advanced materials? Explain

A: Definition: Advanced materials are the materials which haven't been used in usual purposes, which ca...

Q: If 2.00 grams of Epsom salts are allowed to dehydrate in a warm oven overnight, the mass of the rema...

A: Mass percent of water in Epsom salt = 100 x Mass of water/Mass of Epsom salt Mass of Epsom salt = 2....

Q: Determine the mass in grams of 2.25 × 10²¹ atoms of copper. (The mass of one mole of copper is 63.55...

A: Mole concept: According to the mole concept, the number of particles in one mole of the substance is...