A food contains 50 grams of carbohydrate and has a total 200 kilocalories. What is the percentage of calories from carbohydrates? a. 100% b. 75% c. 25% d. 50%

Q: At 25 °C the reaction from Part A has a composition as shown in the table below. Pressure Substance…

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Q: A cylinder sand filter of 1 m height and 30 cm radius is given. The filter is composed of sand…

A: Given, the height and the radius of the cylindrical sand filter are 1 m and 30 cm (0.3 m)…

Q: Assume an adult female who weighs 64 kg drinks 2.4 L of water every day and the absorption factor…

A: We have find out the answer from given data.

Q: Below which value should be the pH of the buffered solution to contain at least 90% (molar) of…

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Q: Draw cis and trans 1,2-dichloroethylene (C2H2Cl2) and predict their relative energies

A: The cis-trans isomerization is a type of stereoisomerism. The molecule which contains a double bond…

Q: A 0.175-mol sample of HX is dissolved in enough H₂O to form 905.0 ml of solution. If the pll of the…

A: Answer:pH of the solution is equal to the negative of logarithm of hydrogen ion concentration. It…

Q: A mature of 0.1815 mol of Op. 0.1609 mol of H₂0, 003007 mal of HC, and 0.1334 mol of O₂ is placed in…

A: Given question related to calculation of partial pressure and Kp value for the reaction.

Q: Draw both resonance structures of the most stable carbocation intermediate in the reaction shown. +…

A: We have to find out the most stable intermediate during the reaction.

Q: How many significant figures are there in the answer to the following problem? (3.335 x 5.400) +…

A: Given,( 3.335 x 5.400 ) + 0.940 = ?

Q: Carry out a retrosynthetic analysis of 1,3-diphenyl-1-butanol that incorporates an aldol…

A: While doing retrosynthesis of molecule. It starts from product to reactant.It is also like fuctional…

Q: Draw both resonance structures of the most stable carbocation intermediate in the reaction shown. +…

A: Resonance structures are different forms of the same molecule where the electrons have transferred…

Q: 3. You perform an alkalinity test on a water sample with an initial pH of 9.75. The alkalinity is…

A: We have find out the answer.

Q: Question 11 The vapor pressure of water at 20 °C is 17.5 mmHg. What is the vapor pressure of a…

A: Raoult's law tells us that the vapor pressure of a substance in an ideal solution is proportional…

Q: Select the correct prefix to complete the equality. Drag the prefixes on the left to the appropriate…

A: dL= decilitermL=milliliterm=metermm=millimetercm=centimetermm=millimetermL=millilitercc=cubic…

Q: PM Thu Sep 21 11.0 g C₁₂H₂₂O₁₁ X STARTING AMOUNT 0 g C₂₂H₂zOn A cereal contains 11.0 grams of…

A:

Q: Aqueous hydrochloric acid HCl reacts with solid sodium hydroxide NaOH to produce aqueous sodium…

A: HCl (aq)   +   NaOH (aq)  ----->  NaCl (aq)  +   H2O (l)Number of mol NaCl formed = number of mol…

Q: 0. Given the reaction, Ca(s) + C(s) + 3/2 O₂(g) --> CaCO3(s) A cH= -1205.8 kJ/mol, how much heat is…

A: Ca(s)  +  C(s)  + 3/2O2 (g)   ------>  CaCO3(s)      delta H  = -1205.8 kJ/mol

Q: How many significant figures are in the conversion factor 1 dL/1x10^-1 L

A: Rule 1: If there are zeros after a number without decimal point, the zeros are not considered as…

Q: Part B Br Spell out the full name of the compound. Br Part C CH₂ CH3 CH₂-CH3 Spell out the full name…

A: Give numbers to the benzene ring in such a way that the substituents get the lowest possible…

Q: In the initial dissolution step of benzoic acid in water, what would happen if more than 50mL of…

A: Recrystallization is a process used to purify a solid compound by dissolving it in a solvent and…

Q: Acid Strength of which of the following sets of acids is determined by the atomic size of the atom…

A: According to Arrhenius acid-base theory, an acid is a substance which generates H+ ions in aqueous…

Q: (a) Consider the reaction of hydrogen bromide with oxygen, given below: IT HBrig) is decreasing at…

A: The given image consists of multiple questions. As per the guidelines, only the first question has…

Q: Consider this reaction: 2HI (g) →→ H₂(g) + 1₂ (8) At a certain temperature it obeys this rate law.…

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Q: A chemist adds 2.00 L of a 0.0778M potassium dichromate (K₂Cr₂O₂) solution to a reaction flask.…

A: Volume of potassium dichromate solution = 2.00 LMolarity/concentration of potassium dichromate =…

Q: Where did 4.667 x 10^-7 come from?

A: The value 4.667 x 10-7 comes from substituting the value for Ka3 and equilibrium concentrations…

Q: A manufacturer produced 1600 L of premium chocolate ice-cream using 900 L of mix and 100 L of…

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Q: moment. A) B) (1) =C (1) < (2) < (3) (3) < (1) < (2) H (2) (3) H H

A: Dipole moment is the measure of separation of two opposite charges. It is denoted by a letter "".

Q: The percent by mass of methanol (MM = 32.04 g/mol) in an aqueous solution is 33.5. What is the…

A: The way of expressing concentration is in terms of the amount of solute present in a solvent which…

Q: At a particular temperature, the solubility of He in water is 0.080 M when the partial pressure is…

A: Henry’s law states that the solubility of a gas in a liquid is proportional to the partial…

Q: A beaker with 105 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total…

A: Given, Volume of buffer = 105 mL = 0.105 LpH of buffer = 5.00 Total molarity of acid and conjugate…

Q: For each of the following chemical symbols, determine the number or element symbol that goes in the…

A: For each of the following chemical symbols, determine the number or element symbol that goes in the…

Q: Symmetry operations A. Identity. Everything has an identity symmetry element! The mystery is why…

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Q: a) Draw Lewis structures for each of the compounds below. Be sure to show all bonding and…

A: We have find out the Lewis structure and geometry of the given molecules.

Q: A general chemistry student isolated ciguatera toxin (a poisonous polyether produced by the…

A: Given,mass of ciguatera toxin = 192.9 mgmass of cyclohexane ( C6H12 ) = 3.397 gFreezing point of…

Q: Consider the table of data collected for the reaction A → Products. Determine the magnitude (value)…

A:

Q: Draw a structural formula for the product of this Diels-Alder reaction, including all stereoisomers…

A: The reaction proceeds as follows:The diene and dienophile come into close proximity.The dienophile's…

Q: lodine atoms will combine to form I2 in liquid hexane solvent with a rate constant of 1.5 x 10¹0…

A:

Q: Question 7 Identify the number of significant figures in: 0.001052310 4 05 06 08 9 10

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Q: How many grams of copper(II) sulfate pentahydrate are in a sample that has 6.26 g of copper? Use the…

A: Molar mass of Copper (Cu)=63.55 g /molMolar mass of sulphur (S)=32 g /molMolar mass of oxygen(O)=16…

Q: Calculate the pH of a solution made from 0.0382 mol HCl added to 1.00 L of a buffer containing 0.106…

A: Given,moles of added HCl = 0.0382 molmoles of each of a weak acid and conjugate base = 0.106…

Q: Draw a structure for the product of the acid-base reaction below. Motor H3C CH3 AICI 3 Include all…

A: According to Lewis acid-base theory, electron pair donor is base and electron pair acceptor is…

Q: Select the correct IUPAC name for the following compound. H cis-2-methylcyclohexanecarbaldehyde…

A: IUPAC provides a set of rules to name organic compounds unambiguously. Each IUPAC name consists of…

Q: A cough syrup has a density of 1.20 g/mL. A doctor orders 48.0 g of the syrup for a sick child. How…

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Q: Suppose 7.5 g of Compound A are consumed in a rection with excess 1.5 g of Compound в that produces…

A: To solve this problem we will use Law of Conservation of mass . According to this law Mass of…

Q: 11. As AG' increases, the barrier amplitude a. increases, increases b. increases, decreases c.…

A: In the context of chemical reactions, the activation energy (often represented as ΔG', where G'…

Q: What is the pH of a buffer that is 0.20 M HF and 0.085 M KF? pKa = 3.15?

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

Q: What are the spectator ions for the reaction that occurs when solutions of barium chloride and…

A: Aqueous solution of Barium chloride and aqueous solution of sodium sulphate reacts to form…

Q: What is the concentration in molarity of an aqueous solution which contains 21.21% by mass ethylene…

A: To find the concentration in molarity (M) of the aqueous solution, we can follow these…

Q: f) 1) O3 2) Zn, H₂O

A: Reaction of alkene with ozone to form ozonide which on reaction with Zn, H2O form aldehyde or…

Q: How many pounds of a 50% (0.50) active ingredient granular product will it take to treat a 1.75-acre…

A: In agricultural and pest management practices, it is essential to accurately calculate the amount of…