Which of the following pairs is correctly matched? A hotplate : supplies flame B beaker : measures volume of liquids (© spatula : scoops out solids crucible tongs : holds test tube

Q: Consider the reaction: BaSO4    Ba2+ + SO42-; Ksp = 1.1 x 10-10 .What is ΔG° at 25 °

A: Using the relationship between Gibbs free energy and equilibrium constant,  □G° = -RT×ln(Ksp) T = 25...

Q: The reaction between selenous acid and the iodide ion in acid solution is H2SEO3(aq) + 61 (aq) + 4H*...

A: Answer: To find out the effect of change in concentration of iodide ion on rate of reaction, we need...

Q: I. Directions: Draw the lewis structures of the neutral atom and the ion of each element. Determine ...

A: Lithium (Li) atomic number = 3 Number of valance electrons = 1  

Q: Consider the titration of 80.0 mL of 0.100 M Ba (OH), by 0.400M HCl. Calculate the pH of the resulti...

A: We have to find the pH for the given solution.,  

Q: Estimate the net force exerted on your eardrum due to the water above when you are swimming at the b...

A:

Q: Which of the following will you use to find the Ka value for bromocresol green? Select one: a.The g...

A: the Ka value for bromocresol green, we can calculate from 

Q: Write the pressure equilibrium constant expression for this reaction.

A:

Q: When an open-chain monosaccharide converts to a monosaccharide in cyclic form, an acetal is produced...

A:

Q: what mass of copper (ii) nitrate is prevent in 50.00mL of a 4.55x10-3 M aqueous solution

A:

Q: Which of the following statements is true? A After drying a sample in the oven, you can place it imm...

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

Q: Question 14 Which of the following pairs is incorrectly matched? A microbalance : +/- 1X 10-4 g B mi...

A: The correct option is:  

Q: Consider the reaction aA + bB dD + eE C = catalyst %3D The rate law is Rate = K[A]°[B]°[C]$ %3D Whic...

A: aA + bB +C -------> dD + eE  The rate law of a reaction represents  Rate is directly proportional...

Q: Your soap contains the glycerol which is the by-product of the hydrolysis reaction.  You did not acc...

A:

Q: 2s0,(g)+0,(3) 2s0,(g) ppose a mixture of SO,, O, and SO, has come to equilibrium in a closed reactio...

A: Given : We have to fill the table.

Q: Which of the following is the correct IUPAC name for the MAJOR substrate product formed by the dehyd...

A:

Q: Consider the structure shown. :ö: Determine the number of shared and unshared electrons in the struc...

A:

Q: hich of the following describes an electrolytic cell?     The chemical reaction is spontaneous   ...

A: Given : We have to tell which statement is correct for electrolytic cell.

Q: Ammonia (NH,) gas and oxygen (0,) gas react to form nitrogen (N,) gas and water (H,O) vapor. Suppose...

A:

Q: Which of the following statements is/are incorrect?

A: Ans : option II

Q: Which of the following is true for a system whose equilibrium constant is muc greater than one? The ...

A: The equilibrium constant is much greater than one signify that:

Q: 15) Which one of the compounds corresponds to this IR spectrum. NH2 1000 2000 3000 4D00

A:

Q: The pressure in a liquid is independent of C. pressure at the surface D. shape of the container A. t...

A:                            Answer  Pressure in a liquid is independent of :- Pressure of liquid depe...

Q: It takes about 3.0 minutes to cook a hard-boiled egg in Los Angeles, but at the higher altitude of D...

A:

Q: When is the fugacity equal to the partial pressure of a gas? Fugacity is equal to partial pr...

A: Fugacity  is representing the actual behavior of real gases which distinctly different from the beha...

Q: Draw the lewis structure of the compound BiAt3 and show its molecular geometry.

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simpl...

Q: 1. Which action between Mg ribbon and HCI will NOT increase the rate of reaction? A. Increase the te...

A: Here we have to determine the factor that increase rate of reaction between Mg ribbon and HCl.

Q: If 92.8 g of sodium nitrite is dissolved in sufficient water to prepare 2.3 L of solution, the resul...

A: Definition: Molarity is a concentration term for a solution. The molarity of a given solution is def...

Q: Which of the following glassware is best used for slow dispensing of 47.00 mL of a solution?

A: Different experiment have different requirement

Q: How many significant figures does the difference 218.7201 – 218.63 contain?

A: For calculation of difference between two numbers, answer should be in least number of decimal numbe...

Q: Consider the weak acid H2A and its Conjugate base HA-. Which diagram below represents a buffer solut...

A:

Q: Other things being equal, the margin of error of a confidence interval increases as A the confidence...

A: The margin of error, also known as the confidence interval, indicates how closely your survey result...

Q: If the available number of valence electrons for a molecule or polyatomic ion does not complete all ...

A: If the available number of valence electrons for a molecule or polyatomic ion does not complete all ...

Q: Which of the following is/are TRUE about Galvanic cell? The Gibbs Free Energy of the cell is negati...

A: In Galvanic cell there is conversion  if chemical  energy  to electrical  energy  and In electrolyti...

Q: Fil in the blank with the reagents necessary to complete the synthesis shown Drag the appropriate la...

A:

Q: Calculate the number of moles required to make 150 mL of a 5.5M solution of CuSO4. For all answers  ...

A:

Q: ) Which of the following statements about an anemic condition is true? A) The number of erythrocytes...

A: The detailed solution of The given question is done below. The correct  answer of the question.  Que...

Q: Another experiment requires you to take 25.0g of zinc chloride and add it to 175.0mL of water?  What...

A:

Q: At equilibrium, what is the value of AG7XN? O = 1 O <0 O = 0 O <1

A: Equilibrium means there will be no change in any physical properties. So , accordingly Gibbs free en...

Q: Isomerisation of [Co(NH3);NO2]Cl2 (Nitro) to [Co(NH;};ONO]CI, has been studied extensively using IR ...

A: The absorbance is measured at 1055 cm-1.

Q: At 100°c and 2 bar pressure, the degree of dissociation of phosgene is 6.30 x 105. Calculate the equ...

A:

Q: (SPM10-29] Which equations represent double decomposition reactions that form a precipitate? Na So. ...

A: Given reactions are : I. CuSO4 + Na2CO3 -------&gt; CuCO3 + Na2SO4  II. CuSO4 + Mg(NO3)2 -------&gt;...

Q: WHICH STATEMENT IS TRUE ABOUT WATER? A. IT EXHIBITS HYDROGEN BONDING B. IT DISSOLVES NONPOLAR COMP...

A: option A correct.

Q: Find the empirical formula for a compound that has the following percent composition: carbon = 48.61...

A:

Q: Hydrogen sulfide and oxygen react to form sultur dioxide and water, Ilike this! 2H,S(g)+30,(g) 2s0, ...

A:

Q: Name one example or type of colloids that is used in or found in Agricultural system and briefly dis...

A:

Q: What is the empirical formula of a compound that contains 27.0% S, 13.4% O, and 59.6% Cl by mass? (S...

A: Element Percentage Atomic weight Relative Number of atoms Ratio S 27.0 32.066 27.032.066 = 0.84 0....

Q: For the reaction of the ammonium ion with nitrous acid, the net reaction is NH4*(aq) + HNO2(aq) → N2...

A:

Q: Using the data in the table, calculate the standard entropy changes for the following reactions at 2...

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Q: please solve for part a & b .. im really lost and don’t know how to go about it , thank you!

A: We have to find out the ∆H,∆S and Tb, Tf  for the following reaction .,  

Q: 2.) Formamide decomposes at high temperature. (a) If 0.186 mole of formamide (HCONH2) dissociates in...

A: The equilibrium reaction given is, a) Given: Moles of HCONH2 taken = 0.186 mol. Volume of flask = 2...