What can be done to lower the activation energy?   Question 6 options:   increasing the temperature   adding more reactant molecules   increasing the surface area of the particles   adding a catalyst

Q: Select the gas that would have the highest average molecular speed. Assume all are at the same…

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Q: Please fix some of my wrong labeling Experimental IR spectrum of salicylic acid For all IR…

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Q: #2 200 180 160 140 120 100 80 60 40 20 ppm

A: Molecule A matches 13C spectrum #1 Molecule B matches 13C spectrum #3 Molecule C matches 13C…

Q: Which elements would be found in the alkaline earth metals family? [Select all that apply] O cesium…

A: Alkaline earth metals are six chemical elements in group 2 of the periodic table .These element are…

Q: (References) If 0.00864 mol neon gas at a particular temperature and pressure occupies a volume of…

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Q: Procedure A student used a pH meter to collect data for the titration of an unknown concentration of…

A: We have find out the answer by plotting a graph of titration of ethanoic acid with sodium hydroxide.

Q: Answers true or false to these statements: 1) The freezing point of aqueous 2.5 m CuSO4 is…

A: Here we have to predict the true or false statements .

Q: Give the complete mechanism for the following reaction: CH3CH3 + Cl2 CH3CH2CI + HCI ----

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Q: Lithium/iodine batteries are commonly used in pacemakers. The chemical reaction involved in this…

A: Detail description is given below

Q: (a) (b)

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Q: what is the chemical equation of alkyl dimethyl benzyl ammonium chloride?

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Q: cedstock. To begin, you’ll make 20 mL of a 10% solution of your assigned fuel. a. How many grams of…

A: Beginning solution = 20 mL of 10% fuel Diluted concentration = 5% fuel.   It is desired to calculate…

Q: To prepare the buffer, a total volume of 500 mL is required. The stock solution of the weak base is…

A: Answer: Buffer solution is the type of solution that resists the change in its pH on adding small…

Q: atoms, the electrons are found in the first, second, and third energy levels. These electrons will…

A: A spectra is formed due to release of energy  when an exited electron jumps into higher level and…

Q: 24Na) is a radioisotope used to study circulatory dysfunction. A measurement found 5 micrograms of…

A: Radioactive decay proceed with first order kinetics. So we would use rate equation of first order to…

Q: 1.) How many degrees of freedom does a solution has if it contains 3 components? А. 1 В. 2 С. 3 D. 4…

A: Note: As per the guidelines, solution of first question has been made. For the expert solution of…

Q: a gal vanic cell runs on the following reaction: Fz (aq) + Sn(s)2F (a9)+ Sn²"Caq) Draw a diagram for…

A: Here we are required to draw the cell diagram for a given  galvanic cell reaction

Q: What is the concentration in %m/v of a 0.741 M aqueous solution of methanol (MM = 32.04 g/mol)?

A: The correct answer is given below

Q: - What is the total mass of the candle wax and oxygen (reactants)? - What is the total mass of the…

A: 1.Law of  conservation of mass states that total mass of reactants  equal to total mass of products…

Q: How does the structure of Dragon blood allows it to function as a pigment?

A: The colour of a compound is due to the presence of pigment present in that compound. That pigment is…

Q: If a reaction has a ΔH of 188.0 kJ/mole and is spontaneous for all temperatures greater than  49.9…

A: For spontaneous reaction, the value of Gibbs free energy must be negative.

Q: 5. A sample of Magnesium contains three isotopes and its average atomic weight is 24.35 amu. If the…

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Q: If a reaction is exothermic and has a negative ΔS, what should you do to the temperature in order to…

A: We know that, ∆G=∆H-T∆S Where,∆G=Gibbs free energy ∆S=Entropy T=Temperature in Kelvin ∆H= Enthalpy…

Q: A chemical reaction requires 452.3 kJ of heat and performs 87.0 kJ of work on the surroundings. What…

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Q: 12.) Pure liquid A and B are mixed and the solutions result to a mixture with 0.300 mol A and 0.500…

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Q: Research the appearance of anhydrous and hydrated copper (II) sulphate. How will you know when you…

A: Answer: Hydrated copper sulfate is the penta hydrate of CuSO4 with the molecular formula as…

Q: DETERMINATION OF pH OF DIFFERENT SOLUTIONS     SOLUTION pH [H+], M pOH [OH-], M 0.0345 M HCl ? - ?…

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Q: Question 20 Consider the diagrams below. Rxn Progress Rxn Progress Rxn Progress II • Which diagram…

A: To solve this problem we have to know about the given chemical reactions diagram

Q: Given this equation, Sr(OH)2(s)-Sr2* (aq) + 20H (ag), what is the pH of a 2.5 X 10-4 M Sr(OH)2…

A: Given,  The chemical equation,  Sr(OH)2(s) ------> Sr2+(aq) + 2OH-(aq)  Concentration of Sr(OH)2…

Q: Complete Structure Shortcut Alkynes Cycloalkynes (if applicable) Structure Ethyne Propyne Butyne…

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Q: The boiling point of an aqueous solution is 101.87 °C. What is the freezing point? Consult the table…

A: Given data : Boiling point of solution = 101.87°C Freezing point constant (Kf) = 1.86 °C.kg/mol…

Q: Mass of AgNO3 used in reaction (this is the mass of just the AgNO3, without the vial) Mass of copper…

A: Values can be calculated using given data .

Q: What is the oxidation state of tungsten in WO2?

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Q: 1. Draw the best Lewis dot structure for SeF4 in the correct molecular geometry [Include formal…

A: Draw the best Lewis dot structure for SeF4 in the correct molecular geometry [Include formal…

Q: A 20.0 mL sample of 0.150 M ethylamine is titrated with 0.0981 M HCI. What is the pH after the…

A: Given  mmoles of base = 0.15 M x 20 mL = 3 mmoles of acid = 0.0981 M x 5 mL = 0.4905…

Q: (b) The nitric oxide molecule undergoes photoionization in the upper atmosphere. (c) Nitric oxide…

A: Balanced chemical equations for the given reactions are given in the following step.

Q: Difference of toothpastes and tooth powders. What are the basic components of toothpaste? A

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Q: Q3/If we have more than one substance with a large difference in melting point and we want to…

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Q: There are two compounds with the formula C,H16 that are capable of existing as enan- tiomers. Write…

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Q: When 3.87 g of a nonelectrolyte solute is dissolved in water to make 645 mL of solution at 29 °C,…

A: Given-> Weight of non electrolyte = 3.87 gm Volume of solution= 645 ml = 0.645 L (1L = 1000 ml)…

Q: A high energy bond is formed when ADP is phosphorylated to ATP. Why? Choose all that apply. a) there…

A: a) there is a decrease in entropy. c) the negative charges on ADP and inorganic phosphate repel each…

Q: Draw and name the eight isomeric alcohols with formula C5H12O.

A: The eight isomer of the alcohols are given below with their IUPAC name.

Q: 7. What is the symbol for a positron? +1 e -1 +1

A: Positron is particle which don't have any mass but it has unit positive charge .

Q: ngven 2. A solution is 5.0 x 10s M in each of these ions: Ag* SO,? , Cl and CO32 Which precipitate…

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Q: Consider the table below: The reaction is: 2FCI + H2- F2 + 2HCI Which gives the following data:…

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Q: (b) Reaction between an aldehyde and ketone (see below), in base gives a compound A with 'H NMR…

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Q: write the full chemical equation of the hydrolysis of benzene diazonium hydrogen sulfate and benzene…

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Q: Reaction rate can NOT be increased by   Question 17 options:   adding an effective catalyst to the…

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Q: hat is the standard cell potential of the following electrochemical cell at 25°C: i(s) | NiCl2(aq)…

A: Given-> Ni(s)/NiCl2(aq)//Cu(NO3)2(aq)/Cu(s)

Q: 1. a) Describe Ph and Buffers for parental drug delivery? b)Explain the differences between PMDIS…

A: The pH value is one of the critical aspects of parenteral preparations, which should be as close to…