refractometer

Q: Describe the titration curves of each of the acids. Weak acids pK1 pK2 pK3 Phosphoric acid 2.15 Aspa...

A: Two significant ideas in science are titration and corrosive base responses. Titration is the strate...

Q: 10:40 1 ll Question 1 of 4 Done Draw the major product of this reaction. Ignore inorganic byproducts...

A:

Q: Which type of isomerism exists between D-mannose and D-galactose? Anomers O Epimers O Enantiomers O ...

A:

Q: the amount of

A:

Q: A chemist is studying the following equilibirum, which has the given equilibrium constant at a certa...

A: Given that, an equilibrium reaction is N2g+3H2g⇔2NH3g. The equilibrium constant is Kp =1×10-6. Also,...

Q: A chemist titrates 250.0 mL of a 0.0775 M potassium hydroxide (KOH) solution with 0.0631 M HCl solut...

A: Given is an acid- base titration, where base is KOH and acid is HCl. Here we have to find the ph at ...

Q: Calculate the number of moles of: (a) S2- ions in 6.56 mol of Na,S (b) Mg2+ ions in 8.320 mol of Mg ...

A: Given, a. 6.56 mole Na2S b. 8.320 mole Mg3(PO4)2  c. 0.43 mole Ca(CH3COO)2    Required,             ...

Q: B. Ex: Sulfur and copper, when heated together, react to form copper(1) sulfide, Cu,S. How many gram...

A: The amount of substance present in the provided sample can be determined by the quantity termed as t...

Q: 3) Provide systematic names (including stereochemistry) for each of the following compounds

A:

Q: Write balanced molecular equations  1. Na2Co3 (aq) + 2M HCI (aq) 2. K2CO3 (aq) + 2M HCL (aq) 3. (...

A:

Q: thermodynamic

A: In this question we have to explain that these same thermodynamic principles govern the connections ...

Q: A peptide is found to have migration time of 8.31 min at an applied voltage of 10.0 kV and on a capi...

A: The migration velocity can be calculated as: v=Distance of detector from sample injectionmigration t...

Q: B. Ex: Sulfur and copper, when heated together, react to form copper(I) sulfide, Cu2S. How many gram...

A: The given chemical reaction is as follows: S8(s) + 16Cu(s) → 8Cu2S(s) The mass of sulfur given = 10....

Q: 1. MgF2 2. NH, 3. О, Mg = 1.2 F2 = 4.0 N = 3.0 H, = 2.1 O = 3.5 SOLUTION: SOLUTION: SOLUTION: Mg F2 ...

A:

Q: лestion 12 HOCH2 0 OH он он What is the Fischer ring structure of this sugar? но н H-C-OH HO-C-H Ó H...

A:

Q: 49. The general structure of the sulfur containing compound R-C-O-SH is for thiols O thials thio aci...

A:

Q: Consider the following reaction for the formation of aluminum sulfate. 2AI(OH) 3 + 3H 2 SO4 → Al2(SO...

A:

Q: A chemist needs 32.0 g of phenol, C6H5OH, for an experiment. How many moles of phenol is this? Expla...

A: Given, Mass of phenol (C6H5OH) = 32.0 g Moles of phenol (C6H5OH) = ? Note: Atomic mass of Carbon (C)...

Q: When 0.0916 g P406 were mixed with 0.113g H20, a student obtained 0.121g H3PO3. What was the percent...

A:

Q: 61. This is called но. COOH linoleic acid salicylic acid phenolpthalein 62. The structural formula b...

A: Phenolphthalein is a considered as a white or yellowish-white crystalline compound   C 20H14O4. The ...

Q: The limit to the level of sulfur dioxide (SO,) in ambient air, set by the Turkish National Ambient A...

A: Allowed concentration of SO2 = 350 ug/m^3 Now, 1 m^3 = 1000 L So, Allowed concentration = 350/1000 u...

Q: 60. This chemical structure is an example of O monohydric alcohol O dihydric alcohol O trihydric alc...

A: Answer is given below

Q: 1. Which of the following is true? a) k association is the inverse of K dissociation b) k associat...

A: Answer: Association process is the process of formation where two species combined together to form ...

Q: 1. Explain the differences between M9SO4 (s), M9SO4 (aq), and MgSO4 • 7 H2O (s)-

A: It is often encountered as the heptahydrate sulfate mineral epsomite MgSO4·7H2O, commonly called Eps...

Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 9....

A: Specific heat capacity is amount of heat needed to increase the temperature of one gram of substance...

Q: ZA+ 3B 7 Products riment [A] [B] Initial Rate T1 0.20 M 0.25 M 3.40 x 10° МIs T2 0.20 M 0.50 M 1.36 ...

A: None of the above is correct answer

Q: Question 6 Which type of isomerism exists between the pair of monosaccharides below? CH2OH c=0 CH2 O...

A:

Q: Draw the structural condensed formula of ethyl methanoate.

A:

Q: Complete the following chemical equation below. Provide the reagent that will separate each pair of ...

A: Pb+2 ion belongs to Group I cations  while Cu+2 ions belongs to Group II cations . 

Q: Question 3 Aldonic acids are sugar acids formed through reduction at the C-1 terminal end. True Fals...

A:

Q: solution with 25.0 g glucose in 100 g water and a temperature of 25 °C. Assume normal bp water = 100...

A:

Q: Consider these compounds: A. BaSO3 В. Cr(ОH)з С. РЬСrO4 D. A93PO4 Complete the following statements ...

A: Sulfite are soluble . All hydroxide,phosphate chromates Are insoluble in water.  

Q: Rate laws are determined experimentally by varying the concentrations of the reactants and observing...

A: Given data :-  

Q: CalculateThe density in grams/liter 0f amm0nia at100oC,under a pressure 0f769mmHg

A: The relationship between temperature (T), pressure (P) and density (ρ) is,      P  =  ρRT    R = uni...

Q: Draw the product for the following reaction: он PCC

A:

Q: A chemist measures the amount of iodine solid produced during an experiment. He finds that 744. g of...

A:

Q: A chem ngineer is studying the following reaction: H2(9)+I,(g) → 2 HI(g) At the temperature the engi...

A: A question based on equilibrium concept that is to be accomplished.

Q: composition of water in a hydrate, we need to look at our equation. compare it to your experimental ...

A:

Q: Calculate the amount of energy required to vaporize 287 grams of water at its boiling point. Hint: T...

A: To calculate the amount of heat energy needed to vapourise a given mass of water,  Convert the given...

Q: 13. 2.50 mol NOCI was placed in a 2.50 L reaction vessel at 400°C. After equilibrium was established...

A: First calculate concentration of NOCl   

Q: Part 1: How much FeO is produced starting with 1.10 g FeS and 0.560 moles of H2CO3 if the reaction r...

A: Answer: This question is based on the concept of limiting reagent. Limiting reagent is the reactant ...

Q: If your unknown contained an acid and a base then why would it be important to use either strong aci...

A: Solution                                     Given that  Suppose the unknown contained a mixture of ...

Q: Current Attempt in Progress Based solely on the amount of available carbon, how many grams of sodium...

A:

Q: The standard enthalpy change of combustion of graphite and diamond are −393.5 kJ mol−1 and −395.4 kJ...

A: (a)It is given  Enthalpy of combustion  C(graphite)+ O2  -------> CO2 .....(1)   ∆H= -393.5kJ/mol...

Q: Potassium superoxide, KO, is used in rebreathing gas masks to produce oxygen. The reaction of potass...

A:

Q: 25 mL of a 0.356 M solution of NH4+ was mixed with 40 mL of 0.842 M potassium nitrate. What is the f...

A: Given,  Molarity of NH4+ = 0.356 M  Volume of NH4+ = 25 mL  Molarity of KNO3 = 0.842 M  Volume of KN...

Q: 2. The picture in the introduction shows that the mass of a crucible and lid was determined to be 22...

A: Given,  The mass of Crucible and lid = 22.1504 g.  The mass of crucible and lid  and hydrate = 24.29...

Q: A chemist is studying the following equilibirum, which has the given equilibrium constant at a certa...

A:

Q: For the species in the reaction: 2Co(s) + H2(g) 8PF3(g) → 2HCo(PF3)4(l), which component is ΔH0f equ...

A: component is ΔH0f equal to zero is given below