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Q: The conjugate acid of NH3 is?

A:

Q: Calculate the mass percent (m/m) of 25.0 g KCl dissolved in 125 g of water?     20.0%     10...

A: Mathematically,Mass percentage of an substance is equal to the ratio of mass of given substance to t...

Q: Iron has a density of 7.87 g/cm3. What mass of iron would be required to cover a football playing su...

A: The area of any rectangular surface is equivalent to the multiplication of length and breadth (width...

Q: Calculate the number of moles and the mass of gas in 3.40 L of He at STP.  A) 76.2 mol, 19.0 g B) 0....

A: First using the ideal gas equation, the moles of He is calculated. The ideal gas equation is PV=nRT....

Q: How do I solve this?

A: The translation of state (liquid to gas) occurs on absorbing specified quantity of heat which depend...

Q: A 50.0-mL sample of liquid water at 55.0°C is mixed with 29.0 mL of water at 95.0°C. The final tempe...

A:

Q: Predict the major product when treated with Cl2

A: When the given compound is treated with chlorine, the double bond is broken and the chlorine atoms a...

Q: How many milliliters of 0.100 M HClO₃ are required to neutralize 40.0 mL of 0.235 M KOH?

A: To determine the volume of HClO₃ in millilitres. Using the formula. n1 is the number of equivalent ...

Q: You need to make an aqueous solution of 0.176 M calcium acetate for an experiment in lab, using a 30...

A: The number of moles of calcium acetate can be calculated using the molarity equations as:

Q: What is the pH of a buffer made by combining 45 ml of 0.15M nitrous acid and 20 ml of 0.175 M sodium...

A:

Q: What molecules are likely to be odd electron molecules?

A: The molecule whose valence electrons are not even number but it holds odd valence electrons, named a...

Q: Balance the following oxidation-reduction reaction using the half-reaction methodCl-(aq) + MnO4-(aq)...

A: To balance  oxidation-reduction reaction: Given: Cl-(aq) + MnO4-(aq) → Mn2+(aq) + Cl2(g)  

Q: If 100 molecules of H₂ and 33 molecules of O₂ react, how many molecules of H₂O can be produced in th...

A: Limiting reagent : when two or or more reactants reacts to form product the reactant which reacts co...

Q: How do I solve this?

A: According to the Le Chatlier principle, an increase in pressure will shift the equilibria in the dir...

Q: Consider a titration where 0.215 M potassium hydroxide is added from a burette to 10.00 mL of hydroc...

A: The titration between a strong base, KOH, and a strong acid, HCl results in the formation of a neutr...

Q: What is the wavelength of ultraviolet light of an electron coming from the n=7 oribital?

A:

Q: Is it a water-soluble compound?

A: The GS-441524 is soluble in water DMSO with the solubility of 80mM it has molar mass of 291.26 g/mol...

Q: A 50.0 mL sample of potassium hydroxide is transferred to an Erlenmeyer flask and then titrated with...

A:

Q: Provide the mising structures 1, 2 ad 3. PBr3 Mg Он

A: The product (1) formed in the reaction is shown below.

Q: How many grams of PbO (molar mass = 223.2 g/mol) are produced from the reaction of 4.0 grams of oxyg...

A: Given: Mass of oxygen gas= 4.0 g Molar mass = 223.2 g/mol

Q: Chemistry Question

A: Upon heating, the hydrated copper sulphate loses its water molecule and forms white coloured anhydro...

Q: Dw Lewis decaler d, nd t dide

A: While writing lewis diagrams, only the valence electrons are considered. They are represented by eit...

Q: Argon has at 0°C is placed inside a 10 L container. What is the pressure of the gas if the container...

A:

Q: How do you solve this

A:

Q: What is the pH of a buffer prepared from 0.3 M ascorbic acid, H2C6H6O6, and 0.6 M sodium ascorbate, ...

A:

Q: Zn(s)+2HCl(aq)=ZnCl2(aq)+H2(g)If 15.00 g of solid zinc reacts with 100.0 mL of 4.00 M hydrochloric a...

A: The reaction is,

Q: 1.) Did the lactase enzyme show specificity? Support your answer by comparing yor data for lactose a...

A: Enzymes- These are made up of amino acid chains or proteins. They can be used as a catalyst in biol...

Q: Help with the first question

A: A hydrogen bond is a weak bond between two molecules resulting from an electrostatic attraction betw...

Q: A gas with a volume of 0.553 L is initially at an unknown temperature.  The gas is submerged in boil...

A: Convert the unit of temperature:

Q: Identify the missing species in the nuclear equation given 2655FE+ -10E -> ? 2753FE      2555Mn  ...

A: 2655Fe is the radio-active isotope of iron. The nucleus of this radioactive isotope contains 29 neut...

Q: Determine the product in the following reaction (ignoring possible stereoisomers). CH3SH H 'Br

A: Observing the given reaction, it is clear that the CH3SH is a weak nucleophile. So first being the g...

Q: How would you solve this?

A: According to Bronsted acid-base theory, the species that has capacity to donate proton is called an ...

Q: A 33.1 mL solution of 10.5 M HCl is diluted to 220 mL.  What is the new concentration of the acid so...

A: Given information is,

Q: In which one of the following molecules is hydrogen bonding present? Group of answer choices A. HCl...

A:

Q: The density of 1.00 mol of an unknown gas at a temperature of -66oC and a pressure of 2,203 torr is ...

A: Convert unit of temperature into K and Pressure into atm:

Q: D Lewis strct molecalar iodie, and the dide in

A: In order to predict the lewis diagram, first count the number of valence available in any particular...

Q: A 3.19 gram sample of nitrogen gas has a volume of 806 milliliters at a pressure of 2.61 atm. The te...

A: Given: Mass of nitrogen (N2)  = 3.19 g Molar mass of nitrogen (N2) = 28.013 g/mol Pressure (P) = 2.6...

Q: If 27.4 mL of 0.0154 M barium hydroxide is required for the complete neutralization of a 20.0 mL sam...

A: The number of moles of barium hydroxide is calculated as shown below. The number of moles of barium ...

Q: The formation constant K; for the complex ion Zn(OH)4² is 2.8 × 105. What is the concentration of zi...

A: A quantity represented as Kf for any complex formation reaction reflects the stability of that compl...

Q: Another form of radiometric dating is potassium-argon dating, which tracks the ratio of Ar-40 to K-4...

A: Any reaction following "first-order reaction", that reactions rate always relies over single reactan...

Q: Determine the final state and temperature of 100 g of water originally at 25.0°C after 50.0 kJ of he...

A: The state change like solid to liquid state, liquid to vapor (gaseous) state always requires certain...

Q: |Calculate the pH and pOH of a 2.0 L aqueous solution of 0.075 mol/L HCIQ, at 25°C. The Ka for hypoc...

A: HClO is a weak acid. Calculate the molarity of HClO solution:

Q: For each of the following substances, select the alcohol which you would expecet to be the best solv...

A: Hydroxy group in alcohol is responsible for polarity of alcohol compound.  The compounds becomes les...

Q: . What do the ions that gave a precipitate with (NH4)2CO3 and Na3PO4 have in common?

A: The compound which remains completely insoluble in any particular solution is known as precipitate. ...

Q: which of the following compounds (KOH, MgSO4, BaCl2, Cu(NO3)2 ) will not create a precipitate upon a...

A: Reactions giving out insoluble salt on mixing 2 or more compounds are categorized as "precipitation ...

Q: The enthalpy change for the following reaction is -136 kJ. Using bond energies, estimate the H-O bon...

A: The given reaction is,

Q: Please help ,

A: (a) And (b)  It’s a name reaction known as Diel’s Alder reaction. It is a cycloaddition of 4+2 elect...

Q: When aqueous solutions of potassium phosphate and calcium chloride are combined, solid calcium phosp...

A: The above reaction is an example of double-displacement reaction.Here the cations and the anions of ...

Q: Explain why the ability of PLP to catalyze an amino acid transformation is greatly reduced if a PLP-...

A: The basic step is when PLP catalyzes amino acid's trasformation by the removal of the proton from th...

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.