QUESTION 27 One calorie is the amount of energy needed to raise the temperature of one gram of water one degree Celsius. True False QUESTION 28 The terms mass and weight are identical. O True O False

Q: The reaction 2502(g) + O2(g) +2503) is an exothermic reaction. How would [SO] be affected by each of…

A: Answer:- This question is answered by using the simple concept of Le Chatelier principle which…

Q: Given that dashed lines indicate the weak bonds that are beginning to form, which is the most…

A: Covalent bonds are formed by sharing of electrons between two atoms. We have to find the transition…

Q: 1. Ten milliliters of ethanol (density=0.789 g/mL) is added to sufficient amount of water to produce…

A:

Q: H :0: OFF H N-H : OH NANON N-CH3 :0: HO: GUN :0: :0: OHM :0: :N-CH H₂C TAY

A:

Q: Activity 1. Limiting Reactants Calculation Directions: Answer the following questions below. Use…

A: Interpretation -  To give the answer for the following questions which is given in the above -…

Q: 3. What will be the freezing point of an aqueous solution containing 80.0 g of NaCl, 20 ml of water?

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: If we desire to make a buffer solution with a pH = 3.00, which of the following acids can be used?…

A:

Q: b. Aniline 10 can be converted to phenol 12 through an intermediate 11, Figure 5. NH₂ 10 NaNO₂' HCI…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Calculate the amount of heat needed to boil 170. g of methanol (CH3OH), beginning from a temperature…

A: When liquid methanol heated its temperature increases to 64.7oC, and at this temperature the…

Q: P4 O2 P,O10 P4O10 + H,0 H,PO4 We allow 317 g of phosphorus to react with excess oxygen, which forms…

A: Given is 317 g of phosphorus.  P4 + O2  → P4O10 P4O10 + H2O  → H3PO4  Yield of first reaction =…

Q: From the Henderson-Hasselbalch equation, calculate the ratio of dihydrogen phosphate (H2PO4) and…

A: Henderson- Hasselbalch equation is used for finding the pH of the buffer solution. Buffer solutions…

Q: A student weighs out a 17.2 g sample of ZnSO4, transfers it to a 500. mL volumetric flask, adds…

A: mass of zinc sulfate (ZnSO4) = 17.2 gVolume of the solution = 500. mL = 0.500 LMolarity of the zinc…

Q: Select all the molecules that are required for ring cleavage during the degradation of aromatic…

A:

Q: You will find it useful to keep in mind that HCH₂CO₂ is a weak acid. 1.1 mol of KOH is added to 1.0…

A:

Q: 1. Review reaction Sn + Sn4+ Sn2+. If tin metal is in equilibrium with a solution containing Sn2+…

A: The cell reaction is as follows: Sn(s) + Sn4+(aq)--------->2Sn2+(aq) The reduction half cell…

Q: Which of these elements are building-block elements? sodium oxygen calcium iron Opparbon

A:

Q: How much heat (in kJ) is required to warm 12.0 g of ice, initially at-13.0°C, to steam at 108.0°C?…

A: Given : Mass of water = 12.0 gInitial temperature of water (in solid form of ice) = -13.0 oCAnd…

Q: B. Write the balanced chemical equation and the equation for the rate of reaction of the following:…

A: Chemical reaction : It is a chemical process where one or more chemical species under different…

Q: ((Cr207)-2) + Fe+2 = Cr+3 +Fe+3 Your answer

A: Identify the oxidation and reduction half reactions. Oxidation half reaction is :-  Fe2+ → Fe3+ + e-…

Q: Calculate the standard entropy change for the following reaction at 25°C. S(rhombic) + O2(g) →…

A:

Q: For each pair of compounds, describe which instrumental technique (IR, MS, proton NMR, carbon NMR)…

A: Note: According to our guidelines we are supposed to answer only first three subparts. Kindly repost…

Q: The 2-step Synthesis below doesn't work. Why? What can You do instead. M Br Naara 07, H₂SO4. H₂0. رو…

A:

Q: Indicate the stereochemical outcomes of the following SN1 reactions. Assume that all chiral centers…

A: We know that SN1 reaction is a two step reaction, in which 1st  step includes removal of leaving…

Q: How many mmHg will the vapor pressure of a solution change if 128.80 grams of glycerin (C;H;O;) is…

A:

Q: HaN HN NH2 Casshy the amino acid defictedtae in fseom lwhichit woutd be faund at phystatogical pH…

A: Here we have to predict the types of amino acid in the given example.

Q: At what temperature will 19.4 g of molecular oxygen, O2, exert a pressure of 1820 mm Hg in a 5.12 L…

A:

Q: The measured optical rotation of polyglutamic acid as a function of wavelength (2) can be fitted by…

A:

Q: The number of toxic components in the industrial and vehicles exhaust gasses exceeds the maximum…

A: Answer: The pollutant gasses and particles that are emitted from the industry and vehicle are likely…

Q: Which disturbance(s) will favor CH at equilibrium? Check all that apply. adding a catalyst to the…

A: •Here is the explanation for all options=>

Q: Consider the formaldehyde molecule (CH₂O) in figure. The partial charges are indicated in red (e is…

A: In the given problem we are required to calculate the electric dipole moment vector μ in terms of…

Q: Latent Heat of Fusion of Ice Weight of calorimeter Weight of calorimeter + Warm Water Weight of Warm…

A: Given: Weight of calorimeter = 242.1 g Weight of calorimeter + warm water = 344 g Weight of…

Q: Classify the type of elementary step based on the mechanistic arrow(s) shown below. x^ A) homolytic…

A: Answer:Arrow is always headed towards the direction of movement of electrons. During heterolytic…

Q: A. A typical cheese contains 30.17% water, 31.23% protein, 34.39% fat by mass and the rest made up…

A: We have to predict the mineral water content, volume occupied.

Q: The rate at which a certain element decay is proportional to the number of such element that are…

A:

Q: The reaction AB is first order in [A]. Consider the following data. Time (s) [A] (M) 0.0 2.7 10.0…

A: First-order reaction: The rate of the first-order reaction depends only on one reactant. According…

Q: Hi hlo Expert Hand written solution is not allowed. Give proper explanation of the answer please.

A: Step 1: Start with the carbon atoms (left to right) and write beside them its constituents. Usually,…

Q: 9. Variations in average atomic mass may be observed for elements obtained from different sources.…

A: Two sources of Lithium have been given. Average atomic mass for each of these two sources have to be…

Q: Which of the following bonds would be difficult to form when using diorganocopper (Gilman) reagent?

A: Gilman reagent: Lithium organocuprates, R2CuLi is known as Gilman reagent.  Gilman reagent is very…

Q: 1. When 4.35 grams of ethylene glycol (C:H;O2) is dissolved in 100 grams of water, the resulting…

A: Since you have posted multiple questions as per guidelines we can answer only one per session . if…