freezing-point depression

Q: Draw the organic products of the following reactions: +NH, + NAOH(a9) → ? Draw the molecule on the c...

A: In the given reaction the ammonium ion reacts with the sodium hydroxide. The ammonium ion is the con...

Q: solution is prepared by mixing 7.05 grams of benzene (C6H6) in water to create a solution total volu...

A: Mass of benzene = 7.05 g Volume of solution = 100 mL = 0.1 L Molar mass of benzene= 78.11 g/mol  

Q: 1) Predict the products of the following reactions (hint: in each reaction, LDA reacts with all of t...

A: In these given reactions, mentioned bases play crucial role for formation of the most stabilised int...

Q: Consider the simple reaction S P, with the forward rate characterized by a rate constant k1, the re...

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Q: Calculate the molarity (M) of 151.6 g of H2SO4 in 1.095 L of solution.

A: Given :  Mass of H2SO4 = 151.6 gm  Volume of H2SO4 solution = 1.095 L  Molarity is defined as number...

Q: Draw the mechanism of the favorable reaction of CH3CO2H and sodium ethoxide (CH3CH2O-Na+) through ac...

A: Bronsted-Lowry acid-base theory: The Bronsted-Lowry acid-base theory states that the acid is a subst...

Q: It is process in which atoms undergoes  an increase in oxidation number in called? Select one: a. R...

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Q: The pKa of a weak acid was determined by measuring the pH of a solution containing the weak acid at ...

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Q: (Q88) A first-order reaction has a half-life of 16.9 seconds. How long (in seconds) will it take for...

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Q: A chemical equation that does not spectator ions but includes only those species that are involved i...

A: In a redox equation only those ions are present which take place in oxidation or reduction reaction ...

Q: 2 Isolation of caffeine from black tea lab Original solvent used was dichloromethane. Alternatively ...

A: Mix tea , dichloromethane and 0.2M NaOH and shake it well for 6-7 minutes. The organic layer will be...

Q: Fill in the equilibrium table for the reaction of HI(g) to form H2(g) and I2(g). Initial Conditions:...

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Q: What is the role of triethylamine in this reaction? Draw the curly arrow reaction mechanism to show...

A: We have to tell the role of triethylamine in the given reaction. In the given reaction triethylamine...

Q: 2. The size of a molecule is a factor that can greatly affect solubility of ions. Which molecule is ...

A: We are authorised to solve only one question at a time. Please post rest of the questions separately...

Q: How do I find the ml in quantum numbers

A: How to find ml in quantum number = ? 

Q: How many grams of bromine are required to completely react with 22.1g of titanium

A: Titanium on heating with bromine to form titanium tetra bromide.  The reaction given below

Q: What are solid substances?

A: Given,  solid substances

Q: Counting Atoms Fill in the table Pb C CI Mass (g) 0.543 1.834 Molar Mass g/mol) 0.685 Moles Total Nu...

A: We can solve these questions by knowing some of the basic mole concepts, like conversion of number o...

Q: Zinc Oxide is a substance found in creams that are used to treat minor skin irritations such as diap...

A: Given mass of ZnO = 358.5

Q: Write on the first column the monosaccharide unit(s) that is present in the given disaccharide. On t...

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Q: Draw an expanded structural formula of a hydrocarbon that contains sp, sp?, and sp hybridized carbon...

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Q: In a CV experiment, what happens after linearly ramping to the 'switching' potential? The potential ...

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Q: molecular geometry

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Q: What is the molar solubility of calcium carbonate (Ksp = 9.0 x 10-9) in 0.15 mol/L sodium carbonate?

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Q: One sample of CaC2, contains 0.150 mol of carbon. How many moles and how many grams of calcium are a...

A: Number of moles of carbon in CaC2 = 0.150 mol  Number of moles of calcium = ?  Mass of calcium = ? 

Q: Need help with e,d,g

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Q: The rate of the reaction between hemoglobin (Hb) and carbon monoxide (CO) was studied at 20oC. The f...

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Q: Sulfur (S8), combines with oxygen (O2) at elevated temperatures to form sulfur dioxide. How many sul...

A: A question based on molecules that is to be accomplished.

Q: Calculate the number of oxygen atoms in a  110.0g  sample of scheelite  CaWO4

A: Calculation of number of any kind of particles in a compound first have to know the number of moles ...

Q: To simulate the pH of blood, which is 7.4, an undergraduate researcher in a biology lab produced a b...

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Q: 5- Addition H2 to butyne give

A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...

Q: A strip of magnesium metal weighing 25.0 grams is combusted with 32.0 grams of oxygen gas in the air...

A: Mass of Mg metal strip = 25.0 grams. Mass of  oxygen has = 32.0 grams.  Stoichiometric ratio of bala...

Q: Calculate the number of hydrogen atoms in a  110.0g  sample of ammonia

A: Mass of ammonia = 110.0 g  Number of hydrogen atoms = ? 

Q: Nitrogen dioxide is a component of urban smog that forms from gases in car exhaust. How many molecul...

A: Detail mathematical calculation is shown below

Q: 341 Brog name: Of jeduon riane of oxidicing agent formuba oF.idi

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and t...

Q: Describe how volumetric analysis methods are used in quantitative methods. Please provide at least t...

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Q: Classify the compounds below as acid, base, salt or oxide of Na₂O

A: Metal oxides are basic in nature. Increasing of metallic nature increase its basic nature of oxide. 

Q: What element is oxidized in the following chemical reaction? NiO2 + Cd + 2H2O → Ni(OH)2 + Cd(OH)2

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Q: How many mL of 0.300 N H2SO4 would be required to neutralize 38 mL of 0.450  N NaOH? Select one: a....

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Q: One mol of an ideal gas at 300 K expands reversibly from 3 x 102 m³ to 5 x 102 m3, Calculate the ent...

A: Entropy change at contact temperature with change of volume relation given below

Q: 22. How much sodium formate (HCOONa), in gram, do you need to add to 400. mL of 1.00M formic acid fo...

A: [Formic acid] = 1.00 M pH of the buffer = 3.5 Ka = 1.77x10-4  Molar mass of HCOONa = 68.01 g mol-1 V...

Q: Mercy is experiencing a fever. Upon taking her temperature, it was found out the she has a temperatu...

A: The temperature of Mercy is = 101.354 degrees F The normal body temperature of human is = 37.1 degre...

Q: poly-(3-hexylthiophene

A: In this question we have to explain  separation scheme for the purifiy of poly-(3-hexylthiophene).

Q: of liquid mercury at 25.00 C is converted to solid mercury at its melting point. Constants for mercu...

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Q: ny moles of

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: How many grams of chlorine gas can be produced from the decomposition of 73.4 g. of AuCl3 by this re...

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Q: How many grams of A must have decomposed if 21.53 grams of Y are formed according to the reaction be...

A: Given reaction is  5A ------> X + 3Y According to the stochiometry of the reaction 3 moles of Y a...

Q: Sodium carbonate is a white powder used in the manufacture of glass. When hydrochloric is added to a...

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Q: 2. Predict the products of the following synthesis and combustion reactions. Afterwards, balanced th...

A: Given, a. P4O10 (s)  +  H2O (l)        c. C4H10 (g)   +  O2 (g)          d. CH3NH2 (g)  +  O2 (g)  ...

Q: 10. Water is a polar compound which easily dissociates the atoms of NaCl into separate ions in a sol...

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