Br Br. Br

Q: Why are cold, damp air and hot, humid air more uncomfortable than dry air at the same temperatures? ...

A:

Q: What species is reduced in the following oxidation-reduction equation? MnO4– + H2SO3 + H+→ Mn2+ + HS...

A:

Q: How many electrons, protons, and neutrons are there in each of the following atoms?(a) magnesium-24,...

A: (a).

Q: The following diagrams represent aqueous solutions of two HX HY monoprotic acids, HX and HY. The wat...

A: From given diagram We are determinining *stronger acid *stronger base *equilibrium shift when HX and...

Q: Chemistry Question

A: Given, the electrolyte is CuCl2.

Q: What gravimetric factor is required to calculate the weight of sulfur trioxide, SO3 (MM = 80.064 g/m...

A: We have to tell What gravimetric factor is required to calculate the weight of sulfur trioxide 

Q: A compound that contains the ring structure of benzene is called an aromatic compound. True or false

A: Step-1This definition also does not fully define an aromatic compound.A compound is said to be aroma...

Q: 6Br (aq) +Cr2O,2- (aq) +14H* (aq) → 3BR2 (g)+2Cr3+ (aq) +7H2O1) Which element is oxidized? Which ele...

A: Oxidation Reaction :-  When a species releases electrons and increases is oxidation number the proce...

Q: Write net ionic equations for the reaction, if any, that occurs when aqueous solutions of the follow...

A: a. Ammonium sulfate and barium nitrate = The chemical equation for the given reaction is, (NH4)2SO4(...

Q: At 327°C, the equilibrium concentrations are [CH3OH] = 0.15 M, [CO] = 0.24 M, and [H2] = 1.1 M for t...

A: Given:

Q: Calculate the pH of the pre-equivalence solution for the titration of 25mL of a 0.025 M H2SO4 soluti...

A:

Q: Determine the ethalpy charge. Triangle H dissolves in, kJ/mol when 6.19 g of calcium chloride is dis...

A: Dissolution of calcium chloride in water is an exothermic reaction. Molar enthalpy change (ΔH) for d...

Q: A student conducted an experiment by titrating 25 mL of a 0.025 M H2SO4 solution with 23.9 mL of 0.0...

A:

Q: A 450.0-mL sample of a 0.257-M solution of silver nitrate is mixed with 400.0mL of 0.200 M calcium c...

A: Balanced equation- 2AgNO3 + CaCl2  ⇒  Ca(NO3)2 + 2AgCl   Now, we calculate mol of Ag in the reaction...

Q: Balance the oxidation- reduction reaction below using the half reaction method in acidic solution. A...

A:

Q: You rent a Peugeot in Sarlot France to go see  chateau Baynac. Its gas rating is 17.2 km/L. Convert ...

A:

Q: Which of elements 1-36 have one unpaired electron in the ground state?

A:

Q: perform retrosynthesis of the molecule presented via alkene from the alkane.

A:

Q: A sample of S8(g) is placed in an otherwise empty rigid container at 1325 K at an initial pressure o...

A:

Q: A sample of oxygen gas is saturated with water vapor at 27°C. The total pressure of the mixture is 7...

A:

Q: 1.85 Battery acid has a density of 1.285 g/mL and contains 38.0% sulfuric acid by mass. Describe how...

A:  

Q: There is a buffer system in blood H2PO4- - HPO42- that helps keep the blood pH at 7.40. (KaH2PO4- = ...

A: Given: pH =  7.40 KaH2PO4- = 6.2 x 10-8  

Q: Balancethe following oxidation-reduction reactions occur in acidic solution using the half-reaction ...

A: (a).

Q: Calculate the pH of each of the following solutions of a strong acid in water. a. 0.10 M HCl b. 5.0 ...

A: The question is based on the concept of PH  calculations.   pH is defined as negative logarithmic of...

Q: Based on the following word descriptions, write the formula for each of the indicated substances.a. ...

A: Chemical symbol of carbon is C, Chemical symbol of oxygen is O, Chemical symbol of barium is Ba, Che...

Q: Why compressed gases are typically contained in cylinder-shaped containers instead of any other shap...

A: We all know that almost all gas cylinders are cylindrical in shape. but not in a triangle and cube s...

Q: Give approximate values for the indicated bond angles:(a) Cl—S—Cl in SCl2(b) N—N—O in N2O(c) Bond an...

A: (a).

Q: The meter was defined in 1963 as the length equal to 1,650,763.73 wavelengths of theorange-red radia...

A: Given: 1m = 1,650,763.73 wavelengths of theorange-red radiation emitted by the krypton-86 atom 

Q: The bond energy for C-H bond is about 413 kJ/mol in CH4 but 380 kJ/mol in CHBr3. Although these valu...

A: Given: Bond energy for C-H bond in CH4 is about 413 kJ/mol . Bond energy for C-H bond in CHBr3 is ab...

Q: You are required to prepare a 0.25 M solution of glucose (f.w. 180 g/mole) in your rotation lab. You...

A: 0.25 M solution of glucose, should contain 0.25 moles of glucose in 1L solution. Moles of glucose in...

Q: A particular food coloring product has a molar absorptivity of 3.8 × 103 cm−1M−1 at λ max 510 nm. Ca...

A: The question is based on the concept of Lambert beer's law. We have to calculate absorbance and perc...

Q: A solution contains 0.018 mole each of I-, Br-, and Cl-. When the solution is mixed with 200. mL of ...

A:

Q: 128. Reactions that distinguish chloral hydrate from chloroform: A) Isonitrile preparation reaction ...

A:

Q: 2 CH3OH (l) + 3 O2 (g) --> 2 CO2 (g) + 4 H2O (g) How much CO2, in grams, would be produced if rea...

A: A reaction happens always by maintaining the stoichiometry. So, from this we can calculate how much ...

Q: C6H12O6(aq) à 2C2H5OH(aq) + 2CO2(g) A) How many moles of carbon dioxide are produced when 0.400 mol ...

A: The question contains three sub parts which have been solved below. 

Q: Fe2O3(s) + CO(g) à Fe(s) + CO2(g) (unbalanced) Calculate the number of grams of CO that can react wi...

A: Balanced reaction: Fe2O3(s) + 3CO(g) ---> 2Fe(s) + 3CO2(g) Number of moles = given mass/molar mas...

Q: Explain the spinel structure of Co3O4 .

A: Dear student I have given answer to your question in the image format.

Q: When the following redox equation is correctly balanced in acid, what is the coefficient of the IO3–...

A: We have to tell which option is correct from given choices of options

Q: Please answer

A: We have to balance the given redox equation 

Q: Oxidant is one which is Oxidised in a reaction and Reductant is one which is reduced in a reaction. ...

A:

Q: Consider a uniport system where a carrier protein transports an uncharged substance A across a cell ...

A: We have to find ratio of Ainsideto A outside given ∆G is 14.9KJ/mol 

Q: Question is in image.

A: We have to find the Michaelis constant Km adn maximum velocity for given data, by plotting Michaelis...

Q: Identify OA(Oxidant) and RA (Reductant) in the following reaction. CHĄ(g) + 2 02(g) CO2(g) + 2 H20(g...

A:

Q: 6 only

A: 6. To calculate  pOH, [H+], and [OH-] of the sample of human blood having pH=7.41.

Q: What is the difference between homogeneous and heterogeneous matter? Classify each of the following ...

A: The difference between homogeneous and heterogeneous matter have to be explained and the given subst...

Q: The following are variable gases in the atmosphere except. Single choice.     a. hydrogen b, a...

A: Variable gases are the gases which concentration and amount is changed with respect to space and tim...

Q: Chemists commonly use a rule of thumb that an increase of 10 K in temperature doubles the rate of a ...

A:

Q: Chemistry Question

A: We have given that  Mass of Al = 12.5g  Initial temperature = T1 = 23°C = 296K Final temperature = ...

Q: Which of the following incorrectly shows the bond polarity? Show thecorrect bond polarity for those ...

A: The bond with incorrect polarity has to be given.

Q: It is crucial to use the optimum fuel and oxygen gas proportion to guarantee good combustion. Give t...

A: Combustion is a process of burning the fuel in presence of sufficient amount of / excess amount of o...

Aldehydes and Ketones

Aldehydes and ketones are organic compounds that have a carbonyl group, C = O, as their functional group. They both differ in the placement of this carbonyl group in their structures.