8.0T 8.0 7.6- 7.6- 7.2 7.2- 6.8- 6.8- 6.4 6.4 6.0 0. 6.0 0. 10 20 30 40 50 60 70 80 90 10 20 30 40 50 60 70 80 90 Temperature (°C) 8.0- Temperature (°C) 8.0T 7.6- 7.6 7.2- 7.2 6.8- 6.8 6.4 6.4 6.0 O 10 20 30 70 80 90 40 50 60 6.0 Temperature (C) 10 20 30 40 50 60 70 80 90 Temperature (°C) Hod HOd Hod Hod

Q: Chemistry Question

A: Answer 

Q: Untitled Section 2) Write the meaning of the 4 symbols labelled A-D. Na(s)+H,O(1)–→Hg)+NAOH(aq) В A ...

A: The solution is as follows :

Q: please as fast as you can

A: Introduction : We have to calculate concentration of H3PO4 . Molarity of phosphoric acid = ? Molarit...

Q: An online study examined the lowering of freezing point when 0.222 g of an unknown molecular solute ...

A: Mass of in known compound ,m = 0.222g Let the molar mass of compound be M g/mol. Then, number of mol...

Q: Draw a complete, step-wise, curved arrow mechanism for each reaction shown below. You don't need to ...

A:

Q: i need k l and z answered the lines point to the structure k and l refers to

A: The answer is given as follows 

Q: -C≡C-C6H5   what is this mass of this?

A: To calculate the mass of an ionic compound is to correctly count each atom in formula and multiply t...

Q: If you combine 75.0 ml of 0.350 M HCl and an excess of Na2CO3 what mass of CO2 in grams is produced?

A: We will stoichiometry to get the answer

Q: What is the coefficient that should be placed in front of lead (II) sulfate (Pb(SO4)2)? * Nal + Pb(S...

A: In a chemical reaction there reactant and product both must be present. Each chemical reaction follo...

Q: A reaction has the following rate law: Rate = k [A] [B]2 If the rate = R at some concentrations of A...

A:

Q: Consider the reaction below. What are the spectator ions in this reaction?3 Pb(NO3)2 (aq) + 2 FeCl3 ...

A: Spectator ions 

Q: What is the pH of a buffer solution made by adding 0.010 mole of solid NaF to 50. mL of 0.40 M HF? A...

A: Given : Concentration of HF = 0.40 M Volume of HF solution = 50 mL = 0.050 L                        ...

Q: For a second-order reaction: A+B> P, the initial concentrations of A and B were 0.080 mol dm-3 and 0...

A: Given Second order reaction is :  A + B →       PInitial concentration of A = 0.080 moldm3Initial co...

Q: Which of the following statements is incorrect? (a) The second ionization energy of sulphur is great...

A: Ionization energy exhibits periodicity on the periodic table. The general trend for ionization energ...

Q: 6. Give the product and mechanism for the reaction below. CH3CH2OH mechanism:

A: The SN2 reaction is a nucleophilic substitution reaction where a bond is broken and another is forme...

Q: Which of the following numbers has the greatest number of significant figures? 418000 6.02 × 1024 0....

A: 418000  Number of significant figures  = 3  6.02 × 1024  Number of significant figures  = 3  0.2...

Q: A gas occupies 4.57 L at 753 mmHg and 25.0℃, is heated to 500.0℃ while the pressure is dropped to 22...

A: Correct answer is (f) 40.4 L Ideal gas equation: PV = nRT At constant moles (n) of gas: P2V2T2=P1V1T...

Q: What are coupled reactions? How do they help in chemical reactions in living organisms?

A:

Q: Masses :  Ca = 40.08 g   S= 32.07 g  O= 16.00 g  A 35.0 mL sample of CaSO4 was evaporated to dryness...

A: Molarity is the number of moles of solute per liter of solution. Given, volume = 35.0 mL = 0.035 L M...

Q: In what mass ratio should you mix C5H5N(s) and C5H5NHCI(s) to produce a 120 mL buffer solution with ...

A:  The volume of the buffer  = 120 mL pH of the buffer solution   = 5.44 Molar mass of C5H5NHCl  = 115...

Q: For the weak acid equilibrium HA(aq) = H*(aq) + A"(aq) A buffer is made containing HA and A". If the...

A: The equilibrium reaction taking place is given as, => HA (aq) --------> H+ (aq) + A- (aq) Give...

Q: 7. Give the name of the compound below.

A: We will write the name of the Compound

Q: Chemistry Question

A: Molecular geometry and Hybridization: 

Q: Determine the volume of dilute HNO3 (d= 1.11 g/mL and 19% pure) that can be prepared by diluting 50 ...

A: Interpretation -  To determine the volume of dilute HNO3 (d= 1.11 g/mL and 19% pure) that can be pre...

Q: the chemical potential of a classical ideal gas is given by a) µ = kgT ln(n2³) b) µ = In(n2³) c) µ =...

A: An ideal gas is in its standard state at a given temperature when it's pressure is the standard pres...

Q: 25 cm. What is the density of the rectangular copper block? O 11.1 g/cm3 O 28.4 g/cm3 O 29.0 g/cm3 O...

A: Applying formula d= m/V

Q: How many moles are needed to prepare  95ml of 18%(mVmV)  HCl ?  molar mass HCl =36.45g/mol   step by...

A: Given :- %(m/v) = 18%            volume of solution = 95 mL             Molar mass of HCl = 36.45 g....

Q: Which molecule is the major product of the following reaction? NO2 Br2 FeBrs OCH

A: fullscreen

Q: Write the product(s) for the following reaction.

A: The answer is given as follows 

Q: What is the mass of CO2 added to a sample, if the volume of the original 8.98 mol CO2 increased from...

A: In this question, we want to determine the mass of CO2 added to a sample so that it's volume Increas...

Q: b) For a solution of cobalt (II) nitrate 3.00 M in 0.500 L.What is the number of moles and mass of t...

A:

Q: Which of the following result(s) in an increase in the entropy of the system? (Select all that apply...

A: Entropy is the measure of the randomness or disorderness of a system. It is a state function and it ...

Q: What Classifies a substance  as an arrhenius base?

A: To define a classification of a substance as an Arrhenius base.  

Q: When a melting point determination is performed in the lab, three temperatures are noted.  In order ...

A: The temperature at which the solid phase of a substance completely changes to the liquid phase is kn...

Q: and determine whether the surroundings become hotter or colder, showing all work on the classkick (u...

A:

Q: please make sure to choose the corerect answer 100%

A: The details solution for this is provided below in attach image.

Q: What is the final volume (L) of a 1.00 L system at 315 K and 1.10 atm if STP conditions are establis...

A: As we know,  STP is standard temperature = 273 K And pressure = 1 atm So, Using state equation 

Q: What is the molarity of a solution formed from 1.835 g LiBr dissolved in a 50.00 ml volumetric flask...

A: Given : Mass of LiBr = 1.835 g And volume of solution = 50.00 mL = 0.05000 L                        ...

Q: What is the pH of a solution that has an OH- ion concentration of 3.20 M?

A:

Q: What is E° for the following reaction? 3NI2*(aq) + 2AI(s) → 3Ni(s) + 2AI3*(aq) a. -2.57 V b. +2.57 V...

A: Given reaction: 3Ni2+(aq) + 2Al(s)→3Ni(s) + 3Al3+(aq). We have to find the E∘ value for the given re...

Q: Which molecule is the major product of the following reaction? COH COH

A: Solution :    Diels Alder reaction involves the reaction between dienes and dienophiles to form two ...

Q: 2. Draw a resonance structure for the compound below.

A: The solution is as follows :

Q: Question 7 Which molecule is the major product of the following reaction? .COH COH OA ČOH ČOH COH CO...

A: A diene and dienophile together reacts to form a [4+2] cycloaddition product.  These type of reactio...

Q: 2 Calculate the specific heat of a piece of lead if 500 grams of lead absorbs 35,000 Joules of heat,...

A: The specific heat of a substance can be calculated by the formula -  q = mSΔT  

Q: I need help with this question!

A: The given reaction is the electrophilic addiction reaction of bromine to the 1,4 unsaturated alkene.

Q: Considering molecules of C-O, S-Cl, and H-P, which one would be predicted to have the highest boilin...

A: Boiling Points: The temperature at which liquid molecules get started to evaporate is considered as ...

Q: 1. How many Joules of heat are needed to raise the temperature of 5 grams of gold from 10 °C to 90 °...

A: Heat capacity formula∆E=m× c ×∆T∆E=m× c ×T2-T1Where   ∆E= heat    m =mass     c =spacific heat    T2...

Q: 9. Use multiple steps to complete the synthesis below. Br Br

A:

Q: 2) When 0.4 mol SO2 and 0.6 mol O2 were placed in an evacuated 1.0L flask , the following reaction t...

A: Given  Initial Number of mole of SO2         = 0.4 mole  Initial Number of mole of O2          =  0....

Q: What type of chemical reaction is shown in the chemical equation below? O3 → O + O2 Ocombustion O de...

A: The solution is as follows :