Which of the following is true about drying a glassware? Select the correct response: The glass wares can be left in the oven to dry. It is necessary before storing the glassware. If in a hurry they can be rinsed with alcohol.

Q: Number

A: Carbonic Anhydrase is used for the reduction of CO2 to Carbonic acid.

Q: Number 6

A: Meters (m) and miles (mi) are the units of length. The relation between meter and mile is expressed…

Q: 9. If you pour 60 grams of KCl into 100 g of water at 70°C, and stir vigorously, which type of…

A: 9. Given information,   Mass of KCl = 60 g   Mass of water = 100 g   Temperature = 70oC

Q: 9. a. Calculate the pH of a solution that is 1.00 M HNO₂ (Ka = 4.00 x 10-4) and 1.00 M NaNO₂.

A:

Q: 6. Calculate the percent dissociation of 0.10 M hydrazoic acid (HN3, Ka= 1.9 x 10-5). Recalculate…

A: Answer: Hydrazoic acid is a weak acid and we have to study the common ion effect on its dissociation…

Q: 1) e,f,g

A: Coordination number is the total number of ligands that forms bond with the metal atom. (e) In…

Q: 7. At 25°C, an aqueous solution of AlBr3 will have: (a) pH >7 (b) pH = 7 %3D (c) pH < 7

A:

Q: 1. The noble gas, neon, has three isotopes of masses, 22, 21, and 20. If the isotopes have the…

A: Average atomic mass calculation: (1) Consider the given information is as follows;…

Q: 1, 2 and 4

A: 1. Total molecular mass of Sb2S3 = 339.7 g  Mass of Sb = 121.76 g Amount of ore = 1kg = 1000 g 2. C…

Q: ow many grams of Ag(s) (107.9 g/mol) could be plated out on the cathode of an electrolytic cell by…

A:

Q: 1 and 2

A: A polar molecule is a molecule where the polar bonds are asymmetrically arranged (the dipoles do not…

Q: 5 A,B,C,D

A:

Q: 6. If there is a direct relationship then k =P/N. If there is an inverse relationship, then k= P x…

A: Boyle's law: At constant temperature, the pressure of given mass of a gas is inversely proportional…

Q: Calculate Change of Enthalpy- use Table A-14 1. Calcium carbonate breaks down into calcium oxide and…

A: The enthalpy of a reaction can be determined by the enthalpy of the formation of reactant and…

Q: 7. When nitromethane, CH3NO2 (molecular mass = 61.05 g/mol) is burned the following reaction occurs:…

A:

Q: Consult a table of standard reduction potentials and determine which of the following reactions are…

A: Standard electrode potential is the electrode potential that is measured under standard conditions…

Q: How many chirality centers are there in the following molecule? H₂C CH3 go CH₂

A: Chiral centre is a centre which is attached with four different types of group.

Q: 6) 7) 8) NH3 + H₂O + — H₂SO4 + 12 → N₂16 + SO3 →→ H2SO4 NH4OH → H₂ Type of reaction: Type of…

A:

Q: 1) a,b,c,d

A: Coordination number is the total number of ligands that forms bond with the metal atom. (a)In…

Q: 1. If a 2.5 A current is run through a circuit for 35 minutes, how many coulombs of charge moved…

A: 1. Charge (Q) = i x t       where i = current in amperes                 t = time in seconds…

Q: Number 7

A: The unit conversion of has to be found.Given,Weight of truck is 1.45×103 pound

Q: QUESTION 11 The tail of the curved arrow must start at electron density and the head must end at O…

A: If you are mentioned number 11. So that I am answered that one question only.

Q: D Question 3 Predict the pH range of a 0.500 M solution of LICIO4 need more information O neutral O…

A: pH range of a salt solution can be figure out from the composition of salt.

Q: A karat is a measure of gold purity. By definition, 24-karat gold is pure gold. However, gold is…

A: 5) Given: Mass of ring = 6 g. And mass percent of gold in ring = 90 %.

Q: Inoitosidua omoz slupeilw zi) OXto 286M Stoichiometry: Mass-Mass Experimentation has shown that…

A: 1 mole = 6.022×1023 [ Avogadro's number ] Atomic mass :  The mass of 1 mole of atoms of an element…

Q: 11) An athlete in El Paso takes a deep breath, inhaling 1.99 L of air at 25 °C. If the average…

A:

Q: 11) Show how the following product can be made from benzene. AlCl3 1 2) / 3) 2₂ (H₂), heat, HCI

A:

Q: Write the overall balanced nuclear equation for the decay series of 232Th to 208Pb through alpha and…

A: Given conversion is :  232Th to 208Pb through alpha and beta decay  a). Overall balanced chemical…

Q: Ion Lewis Dot Electronic Molecular Geometry Polar Molecule Structure Resonance Structures or Isomers…

A:

Q: 6. What is the frequency of a light source that has a wavelength of 620 nm? What is the energy this…

A: Wavelength of the wave = λ= 620 nm = 620×10–9 m We need to calculate frequency and energy of this…

Q: 1.13 A one-particle, one-dimensional system has the state function = (sin ar) (2/mc²)¹/4²¹² + (cos…

A: A particle in a 1-dimensional box is a fundamental quantum mechanical approximation describing the…

Q: Design syntheses to produce the following compounds starting with any alcohol with 3 or less carbons…

A: We have to design the synthesis for the following given compounds with any alcohol with 3 or less…

Q: 5) Why does copper (Cu) easily lose and electron from its s subshell instead of its d shell when…

A: To answer 5 th question we first need to determine configuration of copper . The half filled and…

Q: 4. Balance the following redox equation by the oxidation number method: Cl2Osg + COg Cl + CO28…

A:

Q: quesion 2

A: Previous answer is correct the only wrong thing is in the final answer ....units of heat flows into…

Q: Design syntheses to produce the following compounds starting with any alcohol with 3 or less carbons…

A:

Q: 1. The following combinations of quantum numbers are not allowed. Correct each set by changing only…

A: For an electron four quantum numbers are possible. They are - n = principal quantum number.…

Q: Reactants to be combined for each reaction 4. potassium chloride + sodium phosphate Observations: No…

A: The objective of the question is to tell whether the given solutions turn cloudy and predict the…

Q: Number 1

A: Since silver nitrate is completely soluble in water Hence as per the solubility reaction AgNO3…

Q: 9. How many grams of a gas can occupy a cylinder with a diameter of 1.5 dm and a height of 8.00 in…

A: 9. Given that : Diameter of the cylinder = 1.5 dmHeight of the cylinder = 8 inchDensity of the gas =…

Q: 1₁ -2.02 -loy (2.012) = 2 + x y 2012 2012 201 CH LPH-0.304 6. Sodium azide, NaN3, is sometimes added…

A:

Q: 1,

A:

Q: 1. In which of the following reactions would you expect the orientation factor to be more important…

A: To determine which of the below reactions the orientation factor is more important in leading to the…

Q: What's More Answer the following and write your answers on a separate sheet of paper. 1. Calculate…

A:

Q: 3) a. Write a detailed mechanism for the following reaction using curved arrow notation он Brz b.…

A: Since you are posted with multiple questions. But you are mentioned answering 3. (a) and (b) only.…

Q: 1. Predict the major product for the reaction shown here. Draw the complete detailed mechanisn for…

A: There are many bases in organic chemistry. When bases are treated with carbonyl compounds, bases…