Chemistry Question

Q: A student working on this lab found the mass of their sample after the first heating to be 30.6057 g...

A:   Given information: Mass of sample at first heating = 30.6057 g Mass of sample after 5 minutes = 30...

Q: Laws passed in some states define a drunk driver as one who drives with blood alcohol level of 0.10%...

A: The given reaction is:

Q: 9. a) Name the molecules using IUPAC nomenclature rules. na CI.

A: Given here two molecules and we are asked to write the name for them .

Q: Liquid hexane CH3CH24CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and...

A: The reaction taking place can be written as (C6H14 = hexane), => C6H14 + O2 -------> CO2 + H2O...

Q: Molarity. 7.83g of iron (III) chloride (FW: 162.2 g/mol) were dissolved in 250.0mL of water. a. Calc...

A: When a strong electrolyte is dissolved in water, it dissociates completely. The ions produced is acc...

Q: For the following reaction; 2N2O5e) →4NO21e) + O2ig)

A: Hey, since there are multiple questions posted, we will answer first question. If you want any speci...

Q: Suppose that a student is determining the total base content of an antacid tablet by performing a ba...

A: Given: Mass of tablet                = 1.5312 g Mass of tablet dissolved = 0.3012 g Concentration of...

Q: Does a reaction occur when aqueous solutions of nickel(II) chloride and sodium sulfide are combined?...

A:  The reaction between aqueous  Nickel(II)chloride and  aqueous Sodium sulfide is called double excha...

Q: Write an IUPAC name for the following alkane/cycloalkane

A:

Q: 11. Draw the Newman projection of the alkane conformation shown below looking down the indicated C-C...

A: Newman projection: These are one of the ways to explain stereochemistry of alkanes. The conformatio...

Q: The heat of combustion, ΔH°c , of acetone, C3H6O, is -1790.4 kJ/mol. How many kilojoules of heat are...

A:

Q: 4. Identify t -2 a) S → S

A: In the redox reactions, the transfer of electrons occur between the reactants taking part in the rea...

Q: How many grams of Ag,CO3 will precipitate when excess Na,CO3 solution is added to 49.0 mL of 0.560 M...

A: Given: molarity of AgNO3 = 0.560 M Volume of AgNO3 = 49.0 mL molar mass of Ag2CO3 = 275.745 g/mol

Q: determine the number of each type of atom in NH4Cl

A:

Q: How many mL of water would you need to make 1000mL of a 1.3 mol/L solution of calcium chloride using...

A: Dilution of a solution is done by adding water to the given stock solution. Given : Molarity of the ...

Q: If each of the 100 million automobiles contains 1.3 kg of CFC−12 and leaks 29 % of its CFC−12 into t...

A: Given : Mass of CFC-12 in each automobile = 1.3 Kg Mass percent of CFC-12 that leaked per year = 29 ...

Q: Can someone help me identify if these compounds are R or S configurations? Some may have more than c...

A: IUPAC nomenclature (of organic chemistry) is a way of assigning names to organic compounds as per th...

Q: 4.

A: Entropy is the measure of randomness in a reaction. It explains the everyday phenomena of spontaneit...

Q: How many milliliters of an aqueous solution of 0.227 M copper(II) nitrate is needed to obtain 19.9 g...

A:

Q: 14.

A: The mass of X deposited on cathode and molar mass of X is 4.77 g and 41.53 g/mol, respectively. The ...

Q: Calculate the mass (in mg) of 9.85 x 1019 CCl2F2 molecules. Please explain this in full detail. Than...

A: The relation between mass and number of moles of a substance is as follows,                         ...

Q: The equilibrium constant is 0.0900 at 25 °C for the reaction H2O (g) + Cl2O (g) ↔ 2HOCl (g) The rea...

A: Given- Reaction- H2O (g) + Cl2O (g) ↔ 2HOCl (g) The equilibrium constant  (K) =  0.0900 at 25 °C  Vo...

Q: How do the calculated values compare to the experiment for pyruvate dimethyl acetal? Explain the dif...

A:

Q: Determine the pH of a buffer formed by dissolving 20.0 g NaCH₃COO into a 500.0 mL solution of 0.150 ...

A: Henderson equation for the calculation of pH of a buffer consisting of a weak acid and salt of the s...

Q: Classify the following alcohols as primary, secondary, or tertiary. 3-ethyl-1-pentanol 5-butyl-4-ch...

A: Please find below the structures of the given compounds.

Q: Please help me with this Q): name and draw structural formulas for all constitutional isomers of mol...

A: Constitutional isomers are also called structural isomers because they differ in the connectivity. T...

Q: w Solid, unknown acid were contaminated with pure, adsorbed water prior to weighing out the Sample, ...

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

Q: Fill in any missing charges for the compound below. (All lone pairs and H atoms are :ö: H H-C C-N=N:...

A: Only Oxygen atom has missing charges and it is drawn in the structure below-

Q: Determine the wavelength of a particle, in meters,  with a mass of 2.37x10-37 kg traveling through s...

A: We know lmbda=h/mv Lmbda=6.62×10-34÷2.37x10-37×2.50x104 Solve this equation  Lmbda=0.112m

Q: What is the molecular formula of a compound with an empirical formula of CH and a molar mass of 78.1...

A:

Q: Chemistry Question

A: a) Secondary alcohol can be oxidized into ketone in the presence of acid potassium dichromate. The r...

Q: 3

A: Limiting reactant problems are those problems in which there are multiple reactants are present in t...

Q: The reaction of Li(s) and H2O(l) - the reaction of Li metal produces what metal? - the high pH of th...

A: When a solution is basic in nature, it has a high pH. High pH is mainly due to the presence of hydro...

Q: According to the balanced reaction below calculate the moles of NH₃ that form when 4.2 mol of N₂H₄ c...

A:

Q: Using photoelectron spectroscopy, the ionization energy of the least tightly bound valence electron ...

A:

Q: Chemistry Question

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you. ...

Q: If you can answer at least any of these then please do so. If you can answer all that would be best ...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: Determine the CHQO] and pH f benz oic acid. falbom 20.100M solition

A: Write the formula to calculate the pH of weak acid. pH=12pKa-log10C Where Ka is the acid dissociatio...

Q: The R group of glutamic acid is ––CH2CH2COOH (pKa = 4.07). Sketch the titrationof the sidechain of a...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: What is the mass percent of silicon in the mineral orthoclase (KAlSiO)? Your answer should have the ...

A: molar mass of KAlSi3O8 = 278.33 g/mol molar mass of silicon = 28.09 g/mol total mass of silicon in K...

Q: The pH for 0.0850 M solution of C₆H₅CH₂COOH is 2.68. Determine the value of Ka for C₆H₅CH₂COOH.  A 0...

A: Hey, since there are multiple questions posted, we will answer first question. If you want any speci...

Q: Consider the reaction: C(graphite) + CO2(g) = 2C0(g) which has the equilibrium constant Keg = 3.7 x ...

A: Given: C(graphite) + CO2 (g) <------> 2 CO(g) Keq = 3.7 x 10-23 Mass of CO2 per Litre = 0.22 g...

Q: Answer the question below. Use the rubric in the materials for help if needed. Use details to suppor...

A: Before the modern periodic table was set up, many people proposed the structure of periodic table. M...

Q: 2 equiv. HO. H*

A: Carbonyl compounds are those compounds that contain carbon oxygen double bond. If the carbonyl carbo...

Q: (a) Balance the equation: HBr(aq) + NH3(aq) → What is the ionic equation? What is the net ionic equa...

A: A balanced equation is the equation in which equal number of atoms are present on both the sides of ...

Q: In the laboratory you dissolve 22.7 g of copper(II) nitrate in a volumetric flask and add water to a...

A: Given : Mass of copper (II) nitrate i.e Cu(NO3)2 = 22.7 g And volume of solution = 500 mL = 0.500 L ...

Q: Sodium carbonate and nitric acid  what is the Molecular Equation-   what is the Total Ionic Equation...

A: Sodium carbonate (Na2CO3) reacts with nitric acid (HNO3) to form sodium nitrate (NaNO3), carbon diox...