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Q: 40.0 moles of H2 gas are pumped into a 20.0 L cylinder at 30.0 degrees C. What is the pressure insid...

A: Ideal gases are those gases which follow ideal gas equation. The relation between pressure, volume, ...

Q: 1.Define direct calorimetry and indirect calorimetry, and describe how hey are used to measure energ...

A: Direct calorimetry measures heat production and indirect calorimetry measures gas exchange, oxygen c...

Q: A 0.25-mol sample of a weak acid with an unknown pKa was combined with 10.0 mL of 3.00 M KOH, and th...

A: A buffer solution will result when after an acid-base reaction the weak acid participant is left beh...

Q: A student states, “When the alcohol sample was at a temperature of 500 K, all the particles we’re mo...

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Q: "All enzymes are proteins, not all proteins are enzymes" Explain this statement ?

A: Enzymes can act as catalysts in complex reactions. But all proteins do not act as catalysts. Enzymes...

Q: Show the complete synthesis for the following reaction that forms the following product(s) PLEASE IN...

A: The question is based on the concept of organic reactions. it involves carrying out a series of reac...

Q: Consider the following balanced chemical equation.   3O2+C2H5OH⟶3H2O+2CO2 How is the rate of appear...

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Q: What is the original concentration of a Strontium Hydroxide Solution with a pH of 13.22?

A: Firstly, calculate the hydronium ion concentration from this the hydroxide ion concentration can be ...

Q: 1. Use the third period of the periodic table as an example to illustrate change in the first ioniza...

A: Ionization is the minimum amount of energy that is required to remove an electron from an isolated n...

Q: Consider the reaction below. Which of the following would increase the partial pressure of B at equi...

A: Le Chatelier's principle 1. Effect of Concentration According to Le Chatelier's principle,  if we in...

Q: barium chloride hydrate Mass percentage of H2O in hydrate (%):

A: Mass percentage of H2O  in barium chloride hydrate ( BaCl2.H2O) 

Q: Mesitylene, a hydrocarbon found in crude oil, has an empirical formula of C3H4 and an experimentally...

A: The formula weight of the empirical formula is: C3H4 = 3×(Atomic mass of C) + 4×(Atomic mass of H) =...

Q: 2CH4(g) = C2H2(g)+3H2(g) Kc = 0.170 at 1606 °C. What is Kp for the reaction at this temperature?

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Q: What is difference between Atomic mass & Mass nиmber

A: Atomic mass and Mass number

Q: How does changing the alkyl halide from CH3CH2Br to (CH3)2CHBr affect the rate of an E2 reaction?

A: The nucleophilic substitution reaction of an alkyl halide that involves both the concentration of th...

Q: Please help me with question 3 and 4. Thank you.

A: Arrhenius equation explains the variation in rate of the reaction with change in temperature.

Q: The alcohol functional group is a leaving group Select an answer and submit. For keyboard navigation...

A: Leaving group is the molecule that leaves the reaction with the pair of electrons. Examples of leavi...

Q: A hexose was obtained after (+)-glyceraldehyde underwent three successive Kiliani–Fischer syntheses....

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Q: From the table of reagents, select the reagents and conditions necessary to carry out the following ...

A: The question is based on the concepts of Organic reactions. we have been given certain options. we h...

Q: Draw a structure of m-dichlorobenzene:

A: Given m-dichlorobenzene

Q: A 15.0 mL solution of Sr(OH), is neutralized with 39.5 mL of 0.350 M HCI. What is the concentration ...

A: Acid reacts with base to form salt and water. Write the reaction of given acid with base. SrOH2+2HCl...

Q: a) Write the radial part of the wavefunction for the following orbitals: 25, 3px and 3dyz of the Li2...

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Q: Suppose that 6.71 × 10³ g of titanium(IV) chloride is reacted with 2.45 × 10° g of oxygen. Calculate...

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Q: The Mass of the ball is 0.25 kg . The ball accelerates at 200 m/s2 What is the force of the neares...

A: given, mass of ball = 0.25 kg acceleration ,a = 200 m/s2 force =?

Q: Consider the balanced reaction of magnesium and oxygen.   2Mg+O2⟶2MgO2Mg+OX2⟶2MgO   What mass, in gr...

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Q: At equilibrium, a 1.0 L reaction vessel contains 2.3 mol of Mg(OH)2 and 0.170 mol of OH". What is th...

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Q: Please help

A: In Br-I, Br is more electronegative than Iodine. So it can attract electron density towards itself w...

Q: A 1.157 g sample contains only vitamin C (C6H8O6) and sucralose (C12H19Cl3O8). When the sample is di...

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Q: Standard Reduction Potentials The standard reduction potential, E'º, of any redox couple is defined ...

A: Oxidant can be defined as the reactant which helps in removal of electron from the other reactant th...

Q: Find the theoretical yield and percent yield of Aspirn. 0.35g of salicylic acid used  0.8mL acetic a...

A: theoretical yield of Aspirn =  0.456g  percent yield of Aspirn 7= 43.86percent

Q: Be sure to answer all parts. Propane (C3Hg) is a minor component of natural gas and is used in domes...

A: Part a)  given reaction :-   C3H8(g) + O2(g)  --->  CO2(g) + H2O(g)    Part b)   given moles of p...

Q: Chemistry

A: 1)The number 206,00 in scientific notation: 206,00= 2.06×104 104=10,000 Option A is the correct opti...

Q: Chemistry Question

A: Complete the following reaction  

Q: In all the following problems, assume exponential growth from continuous compounding.

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Q: Ribose, a carbohydrate with the formula shown, forms a cyclic hemiacetal, which, in principle, could...

A: Ribose is an aldose sugar and a monosaccharide. It contains 5 carbons and is also called pentose sug...

Q: Determine the number of atoms of O in 62.3 moles of Na₂Cr₂O₇.

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Q: Part C: Calculate the number of grams of AlCl3AlCl3 formed when 0.520 gg of Al(OH)3Al(OH)3 reacts. P...

A: We need to balance the equation to calculate the amount of AlCl3 formed and H2O formed from Al(OH)3.

Q: What product is obtained from the aldol condensation of cyclohexanone?

A: Aldol condensation of the ketones having α-hydrogen undergo condensation in the presence of a base t...

Q: Draw the structure of 3-ethylheptanoic acid

A: To draw the structures, IUPAC nomenclature rules should be kept in mind. Suffix and prefix part prov...

Q: 110.0 g of iron is heated to 92.7 degrees C and then place in a container of water at 22.3 degrees C...

A: we are given that  mass of iron = 110.0g Tinitial = 92.7° Tfinal = 22.3° initial temperature of wate...

Q: 1. What do you call to the unit amount of a substance used for measuring large quantities of very sm...

A: Given:  unit amount of  substance used for measuring large quantities of very small entities such as...

Q: An Ionic compound has one Al+3 as its cation. With which anion is it most likely paired? Assume ther...

A: Ionic compounds are formed such that the net charge on molecule is zero. Here Al+3 will pair with ot...

Q: For the gas phase decomposition of nitrogen dioxide at 383 °c 2 NO,(2) 2 NO(g) + 0,(2) the average r...

A: The average reaction rate is a change in concentration of  reactants or products in unit  time. For ...

Q: 1 Which of the following bonds are polar? (a) C-0, (b) Sl–F, (c) N-Cl, (d) C-CI. Which is the more e...

A: Polar bonds are formed when there is large electronegative difference between the atoms of a molecul...

Q: What is the relationship between the magnitude of ∆ and the energy of the d-d transition for a d1 co...

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Q: The lithium concentration in serum taken from a patient being treated with lithium for manic-depress...

A: Lithium salts are given to treat the patients suffering from bipolar disorders. At 671 nm red emissi...

Q: Chemical formula or name Lead (lol) cyanide Pbo N2

A: CN-  is known as cyanide ion.

Q: When two amino acids react to form a peptide bond, one forms: A.) amide by an electrophilic acylic s...

A: B option is the correct option. 

Q: A. Among compounds (i) to (iv), choose which one (s) is not aromatic and explain: Among compounds (i...

A: A compound will be aromatic if it follows the following rules: Compound should be cyclic. It should...

Q: Q3:Calculate the weight fraction of methyl alcohol for a solution containing 27.5 gm of methyl alcoh...

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