Which of the following is a physical change? Select the correct answer below: ◇ gasoline burns ◇ water freezes ◇ bread toasts O metal rusts

Q: (а) H,O, H,SO̟ (b) Br, (1) ВН, THF (2) NaOH, H,O, (d) Brz, (1) O, (2) Ме,S

A: when dilute H2SO4 react with alkene form alcohol (follows markovnikovs rule) when Br2 / H2O react…

Q: Br CN ? HO H3CO ELO2C HO ? COQEt

A: In this question, we will using all the appropriate reagents for carried out this type of…

Q: Butter is only a final product true or false?

A: This is statement is False.      It depends on the end use of butter . If butter is purchased by a…

Q: Consider the structure below. This substance should be Η Η Η Η Η Η Η Η || | | | |||…

A: Remember, Like dissolve like. It means polar substances will be soluble in polar solvents and…

Q: AS > 0 I2(g) + C½(g)–→2ICI(g) →2NO(g) + Br2(g) 2NOBr(g)- CH4(g) + 202(g) AS < 0 CO2(g) + 2H,0(g)…

A: Given reaction with their phase. ∆S means change in entropy. ∆S = is disorder ness of the system.…

Q: H= -H Br Br

A: The question is based on the concept of organic synthesis.We need to synthesize the product using…

Q: 2. The following table shows the probability distribution of the number of watches that a jeweller…

A:

Q: Select the correct PEC (potential Energy vs Configurations) diagram P(s) + 6 H₂ (g)--> 4 PH₂(g) E₂ A…

A: When the average energy of product species is less than average energy of reactant species, energy…

Q: The calorie content of a candy bar is 230. Calories per serving (1 bar). Calculate the specific…

A: The Calorie content of the candy bar is = 230 Calories per bar1 candy bar = 52.7 g1 Calorie = 1000…

Q: Use the following results from a test for marijuana use, which is provided by a certain drug testing…

A: •) Among 148 subjects with positive results there are 28 false positive results.•) Among 158…

Q: I" * Critically discus the term " Heating"

A: A question about the term heating, which is to be accomplished.

Q: Given the following reactions: Reaction # 1 2 3 4 Reaction A(s) + 3B(g) 3C(g) + D(g) 2E(s) + 3F₂(g)…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: CHO Cro3, H2SO4 (excess) ČH2OH HOʻHa Ph 1) O3, 2) Zn, H20 3) NaOH, H20 heat, (dehydration)

A:

Q: (b) If we add CO, t gases be when equil H2- CO:

A:

Q: The table below shows current and expected future one-year interest rates, as well as current…

A: The objective of the question is to calculate the liquidity premium for each multiyear bond. The…

Q: Describe heterogeneos and homogeneos.

A: There are mainly two types of mixture that are: homogeneous and heterogeneous mixtures.

Q: Sounds are produced when an object causes a medium, such as the air, to vibrate. O True O False

A: Sound is produced when an object vibrates, creating a pressure wave. This pressure wave causes…

Q: The equilibrium reaction equation is below: CO(g) + Cl2(g) = COC1»(g) In this gas-phase reaction,…

A:

Q: Which of the following is the most stable towards heat? * O plastic O sugar O benzoic acid O sodium…

A: Heat stability is the property of a molecule to retain it's structure intact in high temperature.

Q: CH,(g) + 2 0,(g) AH rxn = -809.0 kJ/mol co,(g) + 2 H,O(g) AH = -81.3 kJ cond 2 H,O(/) Given the…

A: Combustion is the process of reaction of a hydrocarbon in presence of oxygen to form carbon dioxide…

Q: H H NaOH, H₂O heat :I:O H :O: Na Ⓒ H Q

A: The reactions is given.We have to draw the curved arrow mechanism of this reaction.Curved arrows…

Q: Thermodynamics is the study of heat and energy. O True False

A: Given: Thermodynamics.  To find : statement is True or false.  Solution : As we know that, There are…

Q: 3 Draw labelled energy level diagrams for the following reactions: a S(s) + O₂(g) → SO₂(g) AH-297 kJ…

A: The amount of energy released or absorbed when one unit of reactants are changed into products.

Q: One of the best-selling light, or low-calorie, beers is 4.2%alcohol by volume and a 12-oz serving…

A: (a) Balanced chemical reaction of ethanol with oxygen to form carbon dioxide and water is as shown…

Q: CH3ONA, CH3OH heat H Na O Br:

A: This is an example of the elimination reaction.Methanol is protic polar solvent which promotes SN1…

Q: التاريخ NOZ HADZ HzSou what is me Canisum

A: Quinoline is a heterocyclic aromatic compound, It can undergoes Nitration 5th and 8th position.

Q: A formula for anti-fungal shampoo contains 2.0% W/V ketoconazole. How many litres (L) of shampoo…

A:

Q: KMnO (C6H₁00) + (C₂H40₂) hot + (co₂)

A: We know KMnO4 is strong oxidising agent. will oxidise double bond to ketone and aldehy."

Q: I- Select all of the molecules to the right that are alkenes. H. H-C-C-H - H H C C-H

A:

Q: Review I Constants I Period Consider the thermodynamic data below: Compound AH (kJ/mol) CHa…

A: combustion of propane from energy that covert ice at - 19°C to water at 75.0°C

Q: In addition show all Work, to your the pressure, releases om bustion 25g x) of reaction 5.00g to…

A:

Q: NHCOCH3 A NH₂ B Order of electron donating ability (I being the strongest)

A: We have to find the order of electron donating ability

Q: 10. Find the temperature, °C, at which a reactic

A:

Q: 20. The density of LPG gas under standard conditions is 2.34 kg/m³. What percentage of propane and…

A: The objective of this question is to determine the percentage composition of these components in the…

Q: What is the enthalpy of reaction (in kJ/mol rxn) for CaCO3(s) → CaO(s) + CO2(e) if Ca(s) + Cgraphite…

A:

Q: The process by which sweat is used to cool the body is endothermic.   True  False

A:

Q: For a particular isomer of C,H,8, the combustion reaction produces 5108.7 kJ of heat per mole of…

A: Given: Enthalpy of reaction = -5108.7 kJ/mol Standard enthalpy of O2(g) = 0 kJ/mol Standard enthalpy…

Q: 2. Given the following information, calculate AHan for the reaction. 2C3Hs(g) +1002(g) → 6CO2(g) +…

A: We know  ∆H = ∆Hproduct  - ∆Hreactant

Q: Calculate AH for the reaction NO(g) + O(g) →→→→NO₂(g) given the following information: D NO(g) +…

A:

Q: t- U- S o i NH,CH3, H® NHẸT, H® NHÀ

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

Q: Br B с D E H3O* CH₂OH CH3OH heat (CH3)3COK heat O Done

A: As we know,  In E2 mechanism polar aprotic solvent is required and strong base and heat is also…

Q: The following reaction is correct as shown. H O O True O False O NaOEt, EtOH, heat

A: Here an organic reaction is given with a product. We have to identify that the given product is…

Q: СНО CO2H CO2ET

A: To solve this problem first we have to use strong oxidizing agent to convert aldehyde to carboxylic…

Q: Is 10b more than one product? Not sure the way it is written.

A: 10. (b). We have to write the product of the below given reaction CH3CH2CCNa + (CH3)2CHCH2CH2Cl.…

Q: How HgSO4 is used ?

A: Given compound: HgSO4

Q: Write the structual formulas for the 5 isomers of C6H14 (2) Complete the following equations for…

A: Molecular formula C6 H14 Organic Reactions