Calculate the amount of calories required to raise the temperature of 21.8 g of water from 8.5°C to 39.3°C. Please provide your final answer rounded to two decimal places and provide the proper units, in their respective boxes. Calorie = Cal; calorie = cal.

Q: Write a balanced half-reaction describing the reduction of aqueous zinc cations to solid zinc.

A: A question based on stoichiometry. A half reaction is given that is to be written after balancing…

Q: H H A Newman projection of a disubstituted cyclohexane is shown below. Identify the relationship of…

A:

Q: We wish to determine the isothermal compressibility for carbon dioxide, as a real gas that obeys the…

A: Carbon dioxide is a real gas .

Q: Provide a synthetic route to make the following compounds from benzene

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

Q: The point group for a square pyramidal geometry is D4h. Assign the nine s, p, and d orbitals to…

A: D4h E 2C4 C2 2C2' 2C2'' i 2S4 σn 2σv 2σd linear function rotation quadratic function cubic function…

Q: How will you analyze and interpret the data found using a thermogravimetric analysis? Explain in…

A: Thermogravimetric analysis (TGA) is a technique used to measure changes in mass as a function of…

Q: Use the equation to answer the question. H2 + Cl2 → 2 HCl Given 15 atoms of H and 20 atoms of Cl how…

A: The limiting reagent of the reaction is the compound which is completely consumed during a reaction.…

Q: 2. a. -OR groups are (pick one: activating/deactivating) and (pick one: o/p directing, m directing).…

A: A question based on reactions of aromatic compounds. 3 subdivision questions are given that based on…

Q: a) Which of the following is the lowest temperature? a) 42 C b) 318 K c) 57 F d) all these…

A: The solution requires unit and dimensional analysis .

Q: L sample of nitrogen inside a metal container at 20.0 °C is placed inside whose temperature is 50.0…

A:

Q: Calculate Q  for the following: 125.0 mL of 0.0300 M Pb(NO3)2 is mixed with 75.0 mL of 0.0200 M NaCl…

A: 125.0 mL of 0.0300 M Pb(NO3)2 75.0 mL of 0.0200 M NaCl

Q: Cl2(g) + H2O(l)-> Cl–(aq) + ClO-(aq) + 2H+(aq) The addition of which substance would move the above…

A: The question is based on the concept of Le-chatlier principle.  It States that when a system at…

Q: For the following reaction, Kc = 15.5 at 413°C. What is the value of Kp² Cl₂(g) + CO(g) = COCl₂(g)…

A: i)  The reaction:Cl2(g) + CO(g)⇔COCl2(g)    Kc =15.5 at 413 oCii)  The reaction:COCl2(g)⇔Cl2(g) +…

Q: species Br (aq) Ag (s) Zn(s) Mg(s) reducing power choose one choose one ✓ choose one ✓ choose one ✓

A: Detail

Q: 7. Predict the major product of the following reactions

A:

Q: Indicate all statements below that are applicable to all electrochemical cells (i.e., both…

A:

Q: Q3: Choose the reagent(s) for carrying out the following conversions from the list provided below.…

A: Carbonyl compounds react with Grignard reagent followed by hydrolysis to give alcohols. NaBH4…

Q: The ideal gas law allows us to predict that: As the temperature of a gas increases, the volume of…

A: The ideal gas law allows us to predict that: As the temperature of a gas increases, the volume of…

Q: Consider electrolysis of the mixture of two molten ionic compounds. What substance is formed at the…

A: In the electrolysis, cations move toward the cathode and get reduced at the cathode. Similarly, the…

Q: fill in the boxes

A: In the given reaction sequence we have to find the missing reagents and the intermediates to fill up…

Q: When a new center of chirality is created, isomers can result. For the reaction below, specify the…

A: The given conversion is a simple addition reaction of HBr to the alkene to give mixture of products.…

Q: Balance the following redox reaction in acidic solution. Zn(s)+MnO (aq) Zn²+ (aq) +Mn²+ (aq)

A: Zn (s) : Oxidation state of Zn = 0 MnO4- (aq) : Oxidation state of Mn = +7 Zn2+ (s) : Oxidation…

Q: Consider the reaction data.   A⟶productsA⟶products   ?  (?)  ?  (?−1)   275 0..370 875 0.675 What…

A: A ⟶ products T (K) k (s−1) 275 0.370 875 0.675

Q: A chemist designs a galvanic cell that uses these two half-reactions: half-reaction Br₂()+2e2Br (aq)…

A: Given,The half reactions:Br2(l) + 2 e- → 2 Br-(aq)…

Q: 4. If 3.65g of butane is burned underneath a cup holding 1.00 L of water at 21.0°C, what will the…

A: Mass of butane = 3.65g  Volume of water =1L  Initial temperature=21°C  Final temperature=?  ∆Hcomb=…

Q: The correctly-calculated value for Ecell in the previous question is lower than the standard cell…

A:

Q: In Universe L, recently discovered by an intrepid team of chemists who also happen to have studied…

A:

Q: Calculate the enthalpy of the following reaction: Given: 2Mg + O₂2MgO Mg + 2HCI → MgCl₂ + H₂ MgO +…

A:

Q: Draw the Lewis structure for the following: • CO2 • N2 • NH3 • CO

A:

Q: Q4: Give the major organic product(s) of the following reactions CH₂OH PCC CH₂Cl₂ KMnO4 MgBr NBS…

A: Give the major organic product(s) of the following reactions.   Dear student, according to the…

Q: accurate about the two substances? Substance Melting Point Solubility/ 100 g H₂O Conductivity High,…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: Calculate the value of Keq for the following unbalanced redox equation that takes place at 25°C:…

A: This question based on the electrochemistry:   Given:                           2MnO4-  + 2e-  →…

Q: Which reaction will produce an isotope of the parent nuclide? Ⓒa. Po → He + ? 04 O b. As+ в je →?…

A: Given,The set of nuclear equations:a. P84210o →H24e +?b. A3373s + e-10   → ?c. T4399mc  → ? + γ00d.…

Q: Br2, FeBr3 Br ? Br m-bromo- OR Br o-bromo-

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

Q: Be sure to answer all parts. Write an equation showing how to prepare 2-Bromo-2-phenylpropane from…

A: NBS is a necessary reagent by which we can add -Br at allylic or benzylic position.

Q: Which compound is not a constitutional isomer of the others? 0 CN- I 01 Oll O III II III IV

A:

Q: Some hot water that has a mass of 750 g and a temperature of 75°C is poured over 1,500 g of an…

A:

Q: 400.0 mL of a 0.470 M solution of NaCl is diluted to 900.0 mL. What is the new concentration of the…

A: We can determine the new concentration of the solution after diluted NaCl solution by using dilution…

Q: Lightweight camping stoves typically use white gas, a mixture of C5 and C6 hydrocarbons. Calculate…

A: Heat of Combustion: The heat of combustion constitutes the heat quantity when a particular substance…

Q: 6. A student is determining the enthalpy of solution for ammonium nitrate by adding ammonium nitrate…

A: The question is based on the concept of chemical thermodynamics. we need to predict the effect on…

Q: Calculate the volume occupied by 8.80 g of oxygen gas (O2) at a pressure of 0.871 atm and a…

A: Mass of oxygen gas ( m) = 8.80 g  Pressure (p) = 0.871 atm  Temperature (T) = 43.7 °C = (43.7 +…

Q: calculate the change of entropy, that takes places when liquid bromine vaporizes

A: Liquid bromine vaporizes  Change in entropy of liquid bromine vaporizes = ∆S° = ?…

Q: What mass of water is necessary to prepare each of the following solutions 230.0g of 0.800% saline…

A:

Q: Based on the major elements in each type of molecule, in which biomolecule types would you expect to…

A: A question based on introduction to organic chemistry. Amine functional group in any of the given…

Q: Which of the following reactions is an example of electron capture? 223, O a. Ac→→Fr + He 89 O b.Fe…

A:

Q: Balance the following redox reaction in basic solution. H₂(g) + Cl₂(g) → H₂O(1)+Cl(aq)

A:

Q: Write balanced half-reactions for the following redox reaction:…

A: Oxidation is defined as a chemical change in which there occurs an increase in the oxidation number…

Q: Draw the products in the following reaction. Part 1: Part 2 out of 3 of Identify which mechanism(s)…

A: The given reaction scheme is shown below We have to identify the type of reactions. Also, we have…

Q: Rank the following complexes in order of increasing wavelength of absorption. Cu(CN)₂ Cul2 CuBra…

A: The question is based on the concept of coordination chemistry . we need to arrange the complexes in…

Q: a) How many atoms are in 2.50 moles of C02? b)How many cations are there in 10.0g of sodium…

A: The number of atoms present in the given amount of the compound can be evaluated by observing the…