duced solids, if anything at all. Some of them, however, produced gases. Which ion was most likely responsible for this? Explain

Q: t mass

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Q: The element hydrogen, using the Rhydberg equation, can be  used to calculate the energy difference b...

A: The calculated frequency and wavelength are 

Q: 15. Methylamine is a weak base with the formula, CH3NH2, the Kb for methylamine is 4.38 x 10-4 In a...

A: Methylamine is a Bronsted base, as it can accept a proton from water.Methylamine (CH3NH2) is conside...

Q: Preparation of HCI solution a. Measure 20.7 ml of concentrated Hcl (37% wt HCI) using the pipet and ...

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

Q: A bond between strontium and oxygen is O ionic O polar covalent O nonpolar covalent

A: A chemical bond is a lasting attraction between atoms, ions or molecules. This bond enables the form...

Q: Which of the following aqueous solutions are good buffer systems? 0.26 M ammonia + 0.37 M calcium hy...

A:

Q: olo Data PbCl2 1.70x10-5 PBCO3 7.40x10-14 PbCrO4 2.00x10-14 PBF2 3.3x10-8 PbI2 9.8×10-9 Pb(IO3)2 3.6...

A:  

Q: I. Find the amount of all the elements (in grams) in a. 8.75 g of B,O, b. 167.2 g of Na B,O,*10H̟O. ...

A: a)        8.75 g of B2O3                     Molar mass of B2O3 = 11×2+16×3 g = 70g                 ...

Q: A cylindrical metal canister is filled with pressurized diatomic oxygen gas, O2. e circular base of ...

A: Radius of circular base of cylinder = r = 0.06m Height of cylinder = h = 0.3m Pressure of gas = 5.78...

Q: 2. Which of the following accurately describes the conditions of an open system? a. Both energy and ...

A: Open System: The statement which describes the conditions of an open system. Is  a) Both energy and ...

Q: H2C-CH3 H3C-CH-CH2CH,CH3

A: Rule of IUPAC- 1) Longest chain as parent chain. 2) Numbering start from those side where more prior...

Q: Enter your answer in the provided box. How many milliliters of a 0.216 M HI solution are needed to r...

A:

Q: What is the bond order in LiF? A. 0 B. 1 C. 2 D. 3 E. 4

A: Bond order is the number of bonding pairs of electrons between two atoms. Bond order is half of the ...

Q: 1. For each of the following reactions, identify the category of reaction, balance lne reaction, and...

A: The correct answer is given below

Q: If 55.0 mL of a 0.25M solution of Mg(OH)2 is spilt on the floor, what volume, in mL, of 0.15M HBr  i...

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Q: + CH;CH,COH + CO2 2. H30* 1. BH, THF 2. H202 OH CHO CH CH-CECH UESTION 13 Which of the following sta...

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Q: A major component of gasoline is octane (C,H2). When liquid octane is burned in air it reacts with o...

A: Octane is Burn in presence of oxygen. 

Q: 1. Compute for the concentration of the components of a sweet and sour solution containing 15 g suga...

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Q: Liquid octane (CH; (CH,),CH;) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide ...

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Q: Hydrofluoric acid and water react to form fluoride anion and hydronium cation, like this: HF(aq)+H,O...

A:

Q: A 1.06 den silk fiber has reached its maximum tenacity value. How many grams (force) would it take ...

A: Given: Specification of silk fiber = 1.06 den It has reached maximum tenacity value. We know that,  ...

Q: What is the pH of a 5.50x10-2 mol L-' ammonia solution? Express your answer numerically to two decim...

A:   Weak base degree of dissociation (α)  can be calculated by the given below formula α  = KbCwhere  ...

Q: Draw the following compounds 4. 2,7-dimethyl-4octyne 5. 3,3-dimethyl-1,5-hexadiyne 6. Cyclopentane c...

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Q: Draw all the possible stereoisomerism for following structures. Label the chiral centre with an aste...

A: Chiral center is the carbon atom attached to four different atoms or groups. The total number of ste...

Q: 3. Heating zinc sulfide in the presence of oxygen yields the following: ZnS + 0, àZno + SO, (a)If 1....

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Q: at equilibrium.

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Q: Write balanced net ionic equations for the following reactions in basic solution: N2(g)+NO2−(aq)→N2...

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Q: the context is "Cosmone is a molecule used by fragrance manufacturers to provide a rich and elegant ...

A: The solution is as follows:  

Q: thermometer A 56.6 g sample of polystyrene is put into a calorimeter (see sketch at right) that cont...

A:

Q: What type of reaction occurs in both steps of the polymerization

A: Answer - 1. Polymerization - polymerization, any process in which relatively small molecules, called...

Q: How many pi electrons are in the molecule above? Select ] Assuming that the molecule is flat, what i...

A: Calculate number of π electron and aromaticity of the molecule --

Q: Consider these compounds: A. Baco3 B. Baso4 E. Co(OH)2 D. MGF2 Complete the following statements by ...

A: Like dissolves like. Generally, solubility depends on the polarity of the molecule. Polar molecules ...

Q: octane is combusted ide may form If 100

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Q: What are the four different kinds of crystals/solids? Which unit particles make up each sort of crys...

A: Solids are classified into four categories According to the different type of particles and intermol...

Q: A student heats 63.74 grams of nickel to 98.87 degree celcius and then drops it into a cup containin...

A: heat capacity formula : Q =m*c*△T Q = heat energy m = mass  c = specific heat capacity  △T = T(final...

Q: How much energy is required to raise the temperature of 13.0 grams of solid silver from 22.0 °C to 3...

A: Ans. 49.07 Joules

Q: Which of following mixture will be the BEST buffer at pH ~9? Mixing 10mL of 1M NH3 and 5mL of 1M KOH...

A:

Q: protein k

A: In this question we have to explain correct answer of the above statements that is belong to Dr. Kat...

Q: 4. How many grams of MgCl2 is dissolved in enough water to prepare 1500 mL of solution containing 62...

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Q: 4) Use collision theory to calculate an estimate of the Arrhenius pre-exponential factor for the rea...

A: we have to calculate pre exponential factor

Q: Suppose a 250. mL flask is filled with 1.5 mol of CO, 0.30 mol of H,O and 1.3 mol of H,. The followi...

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Q: LNow. ie's ouk a the date for the reationchip beleen PVDE Hre data trom question 210 Calalate the in...

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Q: Which reaction had the larger change in energy, the reaction with hydrochloric or acetic acid. Why i...

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Q: Part II. Problem Solving (20 pts) Instruction: Solve the colligative property questions. Refer below...

A: Colligative property are those property which depends on amount of solute instead of quality of the ...

Q: Unsaturated hydrocarbons are characterized by the presence of: [select all that apply] at least 1 tr...

A: We have to predict the correct option for unsaturated hydrocarbon.  

Q: A mixture of krypton and hydrogen gas is expanded from a volume of 28.0 L to a volume of 39.0 L, whi...

A:

Q: change in enthalpy

A: In this question we have to explain the relationship between the change in enthalpy for the reaction...

Q: Compare and contrast a frozen freezer pop with one that is still in the liquid state. Describe the m...

A: In a substance, the state of the matter or the phase of the substance depends on the arrangement of ...

Q: Describe the reaction between Alkaline Phosphatase and PNPP.

A:

Q: 2. (a) Define fused heterocyclic compounds with an examples. Write the structure and uses of Furar, ...

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