QUESTION 1 How many molecules of C2H5OH (density = 0.789 g/mL) are there in 50.0 mL? O 1.29 x 1023 molecules 8.05 x 1023 molecules ○ 5.15 x 1023 molecules ○ 3.22 x 1023 molecules ○ 2.06 x 1023 molecules
Q: can I please get help with drawing the mechanism of these structures.
A: Approach to solving the question:In the first reaction, bromination occurs in the alpha position…
Q: Can you explain the steps
A:
Q: Using an equilibrium constant to predict the direction of spontaneous... A chemical engineer is…
A: To predict the changes in the composition of the mixtures in each reaction vessel, we need to…
Q: 1. THE SHIFTING OF AN EQUILIBRIUM: THE COMMON ION EFFECT Weak Acids and Weak Bases • • • Let us now…
A: Citations: Libretexts. (2023b, July 12). 18.3: Common-ion effect in solubility equilibria. Chemistry…
Q: 14. Label the glycosidic bond. Is this a reducing sugar? 6 CH₂OH 1 CH₂OH 2 5 4 3 OH OH LO 5 OH OH 1…
A: To answer the question, we will go through the structure and properties of the depicted sugar…
Q: In the actual molecule of which this is a Lewis structure, which of the labeled distances can…
A: The distances for all other atoms (B through G) will not change since the sp2 hybridized aromatic…
Q: Oxygen in the air reacts with iron metal in a nail to produce iron (III) oxide (also known as rust).…
A: To determine the limiting reactant in the reaction between oxygen in the air and iron metal to…
Q: What isotope, when it undergoes beta decay, would result in chromium-53? Use the elemental symbol…
A: Let the element ABX undergo beta decay to give 53Cr. Atomic number of Cr is 24The beta particle is…
Q: Balance the following nuclear reaction by filling in the missing item, which is indicated by a "?".…
A: The objective of this question is to balance the given nuclear reaction by determining the missing…
Q: Mechanism: Draw a stepwise mechanism for the following reaction. Show all intermediate structures…
A: Stepwise Mechanism for Bromine Addition to a Double BondThis reaction represents the addition of…
Q: ← 5 $24 CHEM 107-02 Exam 1: Ju x 5 ALEKS X A ALEKS - Julianna Graham - Lex +…
A:
Q: None
A: If steric number is 4 then hybridization is sp3 and geometry wll be tetrahedral. If steric number…
Q: Don't upload any image just give the explanation of the correct option and explanation of the…
A: Here, Given compound having two functional groups amine (—NH2) and ester (—COO—CH3), we must assess…
Q: Mechanism R R OH
A: A. Complete reaction mechanism for conversion of alkyl halide to Carboxylic acid B. Complete…
Q: A 3. A malonic ester synthesis (shown below) using bromoethane and 1-bromobutane as alicylating…
A:
Q: 13. When 2.0 x 10-2 mole of nicotinic acid (a monoprotic acid) is dissolved in 350. mL of water, the…
A: Given:Moles of nicotinic acid (HA) = 2.0∗10−2 molVolume of water = 350 mL = 0.35 LpH = 3.05Step 1:…
Q: state why in lab,we have to count initial reading of maleic acid at 2.0g ,and initial reading of…
A: Approach to solving the question: lab experiments and basic organic chemistry Detailed explanation:…
Q: C. OH H2504 0: Acetone OH 0 +H₂O HC1 d. aao e. S S: H₂O
A:
Q: What would be the product of the following reaction sequence? CI i) ю ii) (CH3)2NH iii) LiBH3CN I ОН…
A: Step 1: Step 2: Step 3: Step 4:
Q: us Lithium co Cording to the br Calculate th 3.17 L of r 3.1 Hydrob It takes Molarity 17) 15) A…
A: 15)Molar concentration of HCl= volumeofsolution(L)molesofHClPutting the valuesMolar concentration…
Q: Draw the skeletal structure of (S)-hex-5-en-3-ol. Use a dash or wedge bond to indicate…
A: Step 1:Based on the name of the compound, we know that the compound has 6 carbons with hydroxyl…
Q: For each equilibrium, circle the side that is present at higher concentration CH3 NH3 NH2 NH₂ NH3…
A: The side which has higher stability will be present in higher concentration.
Q: None
A:
Q: Which of the following statements is FALSE about molecularity of kinetic reactions? a)…
A: Step 1:The detailed answer is given above.Step 2: Step 3: Step 4:
Q: 11. A 0.0900 M solution of a monoprotic acid is 11.5 percent ionized. Calculate the ionization…
A:
Q: Image uploaded solution is not allowed please dear expert bro keep it in mind
A: Now, let's balance it step by step: Balance the carbon atoms:C2H5COOH(l) + O2(g) → 2CO2(g) +…
Q: a) The D-aldopentose A, C5H1005, reacts with HNO3 to yield an optically active aldaric acid B.…
A: a). The acyclic Fischer projections for A, B, C, D. Step 1: D-aldopentose A:Reacts with HNO3 to…
Q: Mechanism NaOH OH H H₂O 3 H
A: Approach to solving the question: Detailed explanation: Examples: Key references:
Q: Sheet #2 (10 degree) Q1 From the following chart for FTIR explain the following points: -What the…
A: The fingerprint region in an FTIR spectrum typically ranges from 1500 to 500 cm-1. This region is…
Q: Please solve this mechanism.
A: The reaction in the image involves 2-chlorophenol and an anhydride, specifically acetic anhydride,…
Q: What is the pH of an aqueous 4.50 M KOH solution ( strong base)?
A: The dissociation equation for KOH in water is:KOH -> K+ + OH-Since KOH dissociates completely,…
Q: NO2 Br CH3CH2OH
A: This reaction undergoes a nucleophilic substitution reaction in the presence of ethanol as a polar…
Q: rect Question 22 0/2 pts If trans-2-bromocyclohexanol is treated with sodium hydroxide what is the…
A: Thank you.
Q: Instruction: 1. Total acidity (expressed as % tartaric acid): To a 10-ml aliquot of the fermenting…
A:
Q: H2N' 1. CHзI (excess) 2. NaOH, heat Drawing Q
A: Approach to solving the question: Detailed explanation: Examples: Key references:
Q: Draw and name the product obtained by reacting 2,4-dimethylcyclopentane-1-carboxylate sodium salt…
A:
Q: S $24 CHEM 107-02 Exam 1: Ju x → A ALEKS - Julianna Graham - L x +…
A: Given:Mass of perchloric acid = 855. mg (3 significant figures)Volume of acid…
Q: 3) Limonene, the essence of orange, is easily hydrolyzed to create the below product. Answer the…
A:
Q: What is the condensed electron configuration of Pd? [Ar]5s24 [Ar]4s24d [Kr] 524d [Kr]4s24d
A: The objective of the question is to determine the correct condensed electron configuration of…
Q: What is the expected product(s) of the reaction? H CH 3 CH3 hv Br-Br O Only Br CH3 CH3 Only H3C Br…
A:
Q: What is the following compound's common name, which is a form of carbohydrate storage commo? CH₂OH…
A: The compound in the image is not lactose. Lactose is a disaccharide, a sugar formed by combining two…
Q: k 7 HBr (1 equiv) Draw 1,2-Product + Drawing ઘ Problem 2 Atoms, Bond and Rings Draw or tap a ne
A:
Q: Consider the following reaction at 298K.Sn2+ (aq) + 2 Fe2+ (aq) Sn (s) + 2 Fe3+ (aq)Which of the…
A: First, we need to determine whether the reaction is product-favored or reactant-favored. This can be…
Q: None
A: Step 1: Given reaction (nitration) is an electrophilic substitution reaction.In this reaction…
Q: Which of the following statements is true? Insoluble ionic compounds are completely insoluble. All…
A: Processes have a natural tendency to occur in one direction under a given set of conditions;…
Q: lues if needed for this question. A mixture of oxygen and methane gases, in a 8.72 L flask at 51 °C,…
A:
Q: 71. Consider the titration of a 20.0-mL sample of 0.105 M HC2H3O2 with 0.125 M NaOH. Determine each…
A: Step 1: Titration a) initial pH only acid presentHC2H3O2<==>C2H3O2−+H+let x amount has…
Q: Naming complex ions Write the chemical formula of the following metal complexes or complex ions:…
A: 1:Tetramminedicyanozinc(II) :Ligands are ammine (NH3) and cyano (CN-)Tetra means 4.di means…
Q: None
A: To solve this problem, we need to balance the given redox equation under acidic conditions. We'll…
Q: A chemist dissolves 158.mg of pure hydrobromic acid in enough water to make up 360.mL of solution.…
A:
Step by step
Solved in 2 steps
- What is the mass in grams of 4.57 × 10²⁵ molecules of Cl₂? I get the write and but the wrong number of tens when doing it on my calculator and I am not sure why Correct answer is =5.38×10^3 g Cl2 My answer is =5.38 x 10^49Pheromones are a special type of compound secreted by the females of many insect species to attract the males for mating. One pheromone has the molecular formula C₁9H38O. Normally, the amount of this pheromone secreted by a female insect is about -12 1.4 x 10 g. How many molecules does this quantity contain? Be sure your answer has the correct number of significant digits. moleculesCalculate the number of boron atoms in a 50.0g sample of tetraborane B4H10. Be sure your answer has a unit symbol if necessary, and round it to 3 significant digits.
- How many C atoms are present in the sample of C3H3 with mass 7.11 g? Avogadro's number is 6.022 x 1023. Enter your answer using scientific notation and to three significant digits. C atomsO STOICHIOMETRY Daniela Using the Avogadro Number An oxygen atom has a mass of 2.66 × 10 - 23 g and a glass of water has a mass of 0.050 kg. Use this information to answer the questions below. Be sure your answers have the correct number of significant digits. What is the mass of 1 mole of oxygen atoms? |x10 olo Round your answer to 3 significant digits. Ar How many moles of oxygen atoms have a mass equal to the mass of a glass of water? Round your answer to 2 significant digits. Explanation Check © 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center | Accessibility 12:47 AM P Type here to search 12/6/2021A compound contains only Mn and F. The ratio of Mn and F is 1.73 moles of F per 1 mole of Mn. If the empirical formula is expressed as MnFx, what is the numerical value for x? If the formula is MnF5, you would enter the number 5. Please enter a whole number (i.e. round the number to the nearest whole number) and DO NOT include any units.
- One millimeter of water contains about 20 drops. One gram of water contains 3.34x10^22 molecules of water. The density of water is 1.00 g/mL. How many molecules of water are there in 1 drop?how many grams of KMnO4correspond to 3.13 x 1022 formula units of KMnO4? Avogrado's number is 6.02 x 1023How many oxygen atoms are in 2.50 g of NaNO3? The molar mass of NaNO3 is 85.02 g/mol. All answers have units of O atoms. 5.31 x 1022 2.94 x 10-4 3.53 х 10-22 8.82 x 10-2 O 1.77 x 1022
- I am having a bit of trouble with significant figures and rounding. In a question such as the one below, would the sig fig I put in my answer be correct? How many moles are present in 3.44 g CoCl2 ꞏ 6H2O? = (Which sig fig amount is correct-->) .0217 moles or .021 moles The whole answer was 0.02177904, would I round this answer to the 3rd sig fig? So, is the correct answer actually .022?Express the result of each mathematical operation to the proper number of significant figures and with the correct unit. a) (6.521 g/mL)(0.060 mL) = 1.50 ×10 atoms b) 6.022 x 10 atoms/moleAqueous hydrobromic acid HBr will react with solid sodium hydroxide NaOH to produce aqueous sodium bromide NaBr and liquid water H2O . Suppose 34.8 g of hydrobromic acid is mixed with 13. g of sodium hydroxide. Calculate the minimum mass of hydrobromic acid that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits.