5993+

Q: How do yu tell the differnce betwee strong and weak electrolytes, bases, and acids?

A: Strong and weak electrolyte:

Q: What can you predict about the reaction whose equilibrium constant’s value is much greater than 1? ...

A: Let’s assume a general reaction at equilibrium as shown below.

Q: Question 1

A: We are authorized to answer one question at a time, since you have not mentioned which question you ...

Q: Use the data provided to calculate benzaldehyde’s heat of vaporization: Vapor Pressure (torr) Tem...

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and...

Q: Consider the following unbalanced equation: Ca3(PO4)2 (s) + H2SO4(aq) --> CaSO4 (s) + H3PO4 (aq) ...

A: Given,Mass of calcium phosphate, Ca3(PO4)2 = 1.0 kg = 1000 g  (1 kg = 1000 g)Mass of sulfuric acid, ...

Q: For each of the following molecules, give the bond order, and describe them as paramagnetic or diama...

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for y...

Q: After balancing the chemical equation for the combustion in air of liquid C3H8O using the smallest p...

A: Sum of the coefficients in the product side can be determined from the balanced chemical equation fo...

Q: Gaseous methane  CH4  will react with gaseous oxygen  O2  to produce gaseous carbon dioxide  CO...

A: Given:Mass of CH4 = 8.02 g.Mass of O2 = 14 g.Balanced chemical reaction is given by:

Q: Which of the following ions is the most stable? A. Na- B. Rb- C. Cs- D. Na^2- E. Rb^2-

A: The rule that applies as follows,

Q: How much time would it take for 325 mg of copper solid (atomic molar mass = 63.546 g/mol) to be elec...

A: Two moles of electrons give one mole of copper atom. Number of electrons required is determined as f...

Q: i do not understand this one at all

A: Determine umber of moles of each reactant:

Q: 3.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have...

A: Given that the mass of CO2 and H2O formed by the burning pf 3.00 g of compound X is 4.40 g and 1.80 ...

Q: 5. The boiling point of a NaCl solution is 101.04 °C. a. What is the molality (m) of the solute part...

A: Given:Boiling point of pure water is 100 oC.Boiling point of NaCl solution is 101.04 oC. Van't Hoff ...

Q: A concentration cell consists of two Sn/Sn2+ half-cells. The electrolyte in compartment A is 0.21 M ...

A: Here, electrode having higher concentration acts as cathode whereas electrode with lower concentrati...

Q: 3. How many moles of each of the following strong electrolytes are needed to give the same freezing ...

A: The freezing point a given solution is directly proportional to the number of moles of the particles...

Q: Why is the molecular orbital theory for NO different from that of NO+ and NO-? With NO the Pi orbita...

A: I consider the question as “why is the molecular orbital theory for NO+ is different from NO and NO-...

Q: What is the relation between rate of forward reaction and backward reaction at equilibrium? A)rate...

A: Consider the equilibrium, A ⇌ B. In this equilibrium reaction, the reactant A is in equilibrium with...

Q: Synthesize the following compounds from the given starting material. You can add on any alkyl/ alkyl...

A: The given compound is synthesis as follows, 

Q: college.com/course.html?courseld3 154322748HepID=2b3e48e6520860bfd5591538a4a5a27b#10001 Search... y ...

A: C)The standard temperature and pressure is called STP. The standard temperature of a gas is 273 K an...

Q: Calculate ΔHrxn for the following reaction: CaO(s)+CO2(g)→CaCO3(s) Use the following reactions and g...

A: Required reaction:  CaO(s) + CO2 (g) → CaCO3(s)

Q: How can I determine which form a precipitate? And which ones do?

A: On the basis of the general solubility rules, precipitation that take place or not can be determined...

Q: what would be the density of air under 20 C and 720 mmhg? (Hint: has density is proportional to T)

A: Given,Temperature = 200C = 20+273 = 293K.Pressure = 720mmHg.

Q: How do I solve?

A:

Q: Please help with part A & B I'm stuck!

A: The chemical equation for the given reaction is shown in equation (1).

Q: Which contains the most atoms? CO2 UF6 CH3COCH3 He

A: Atom is defined as smallest unit of matter possessing the properties of an element.

Q: What is the molecular geometry for the bromate ion, BrO3-?

A: According to VSEPR theory:Number of valance electrons in BrO3- = 1 *7 + 3*6 – (-1) = 26 electrons.Nu...

Q: What is the molarity of ions in a 0.702 M solution of Ca(OH)₂ assuming the compound dissociates comp...

A: The molarity of Ca(OH)2 is 0.702 M. The complete dissociation of Ca(OH)2 is shown as,

Q: Can you explain the Molecular Orbital Diagram for a non diatomic molecule....for example NO? I am no...

A: There are 15 electrons in given NO. According to the MO theory its electron configuration can be wri...

Q: The combustion of propane may be described by the chemical equation C,H3 (g) + 5 0,(g) → 3 Co,(g) + ...

A: Given,Mass of C3H8 = 95.3 gMoles of C3H8 can be calculated as:

Q: 2 HC2H3O2 + K2CO3 --> H2O + 2 KC2H3O2 + X If the 108 molecules of HC2H3O2 react with 74 molecules...

A: Given information:Number of molecules of HC2H3O2 = 108 moleculesNumber of molecules of K2CO3 = 74 mo...

Q: 10. A mouthwash contains 22.5% (v/v) alcohol. If the bottle of mouthwash contains 355 mL, what is th...

A: Givenv/v percentage of mouthwash= 22.5%Volume of the mouthwash in the bottle= 355mL

Q: A 0.158-g sample of unknown metal, X, reacted with hydrochloric acid according to the following bala...

A: Number of moles of hydrogen can be calculated using ideal gas equation:

Q: What is the bond order of N2-? A. 1 B. 1.5 C. 2 D. 2.5 E. 3

A: Electronic configuration of N2- is given by,

Q: Balance the following reactions and name what type of reaction it is:  NH3 + H2SO4---- (NH4)2SO4

A: The given reaction is balanced as follows,

Q: Arrange these elements according to atomic radius. Largest radius to Smallest radius O, S, Po, Se, T...

A: The elements given are O, S, Po, Se, Te and all these elements belong to the group 16 of periodic ta...

Q: Iodine is prepared both in the laboratory and commercially by adding Cl, (g) to an aqueous solution ...

A: Determine number of moles of I2:

Q: Write a balanced chemical equation for the reaction of zinc and hydrochloric acid.

A: The reaction of zinc and hydrochloric acid is a single replacement reaction and gives zinc chloride ...

Q: Would this be a correct synthesis?

A: The given conversion can be done as follows :Firstly, the reaction of the reactant with Br2 in the p...

Q: Introduction: For this experiment, 16.55 grams of nitrogen gas and 10.15 grams of hydrogen gas are a...

A: Determine umber of moles of each reactant:

Q: Please explain all steps

A: Given: 32S – 31.9633 amu.Number of protons and neutrons in S are 16 and 16 respectively.

Q: could you please help me with this, this is off of my review packet for my final.AND MY FINAL IS AT ...

A: A balanced chemical equation or reaction is the one in which the total number of atoms for each elem...

Q: If 521.0 grams of water (H2O MM 18) were mixed with 24.0 grams of NaCl (MM 58) what would be: a. the...

A: Hey, since there is question posted with multiple sub-parts – we will answer at  least three sub-par...

Q: Sofia 8.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and t...

A: X react with oxygen to give CO2 and H2O.  So the number of moles of carbon in CO2 and number of mole...

Q: The active ingredient in aspirin is acetylsalicylic acid. A 2.08 g sample of acetylsalicylic acid re...

A: Number of moles of acetylsalicylic acid and NaOH will be equal since one carboxylic acid group is pr...

Q: A 8.00 L tank at 24.8 °C is filled with 19.2 g of boron trifluoride gas and 13.4 g of carbon monoxid...

A: Given,The weight of boron trifluoride (BF3) gas = 11.8 gThe weight of Chlorine trifluoride (ClF5) ga...

Q: help

A:

Q: For this experiment, 16.55 grams of nitrogen gas and 10.15 grams of hydrogen gas are allowed to reac...

A: The given reaction as follows,

Q: What is the neutral pH of water at 40 degrees celsius?

A: In the neutral solution:

Q: Radiation from a point source follows an inverse-square law in which the amount of radiation receive...

A:  Amount of radiation is proportional to 1/d2At 1m, the Geiger reading is 140/(1)2 counts per min

Q: The gas in a 250. mL piston experiences a change in pressure from 1.00 atm to 4.75 atm. What is the ...

A: Given information:Pressure of the gas at initial stage (P1) = 1.00 atmVolume of the sample at initia...