Q: At what pH would you expect this ionic species to be the predominant one? H3N- -CH- 1 4 CH₂ OH 7 11
A: The given molecule is Aspartic acid, an acidic amino acid. The acidic groups present in the amino…
Q: Calorie Breakdown Fat Carbohydrates Protein Calculated total Calories per serving (kcal) Total…
A: According to question, the serving contains 8g of Fat and 1 gram of fat contains 9 calories. so, 8g…
Q: if a student add a solution of 0.10 M NaOH to 20.0 mL of 0.10 M HF (ka=3.50×10-4 ) until it reaches…
A: Given that Molarity of HF = 0.10 M Volume of HF = 20.0 mL Ka of HF= 3.5 x 10-4 Concentration…
Q: 20 UST 11) Determine the mass (in grams) of water produced when 260g of C3H8 of C3Hg are reacted in…
A:
Q: A gaseous compound containing 62.45% chlorine and 37.55% nitrogen by mass are held at standard…
A:
Q: What is the major product of the following reaction? ОН о (a) 0 (b) 0 (c) 0 (d) PCC (a) SOCI (b) 0:…
A:
Q: Complete and balance the following redox reaction in acidic solution MnO (aq) + S₂O²(aq) → SO²(aq) +…
A:
Q: b. Draw the mechanism used and the products BOCHS CH 3 OH, 100°C Br
A: Here we are required to find the product of the reaction as well as the mechanism for the reaction.
Q: CI H₂, Pd/C, BaSO4, quinoline, S
A:
Q: 2. What potential problem can a student have when an R₁ = 0 is obtained for an unknown sample on a…
A: THIN LAYER CHROMATOGRAPHY (TLC) is used for identification of unknown compounds, here compound move…
Q: You are asked to compound a 1000 mL bag of Dextrose 15% solution. The pharmacy stocks Dextrose 50%…
A: Initial concentration of stock dextrose solution = 50% Final concentration of dextrose solution =…
Q: Why did you measure 60 ml and not 59.04 ml to make up this final solution?
A: Rules for significant figures: All non-zero digits are significant Captive zeroes are significant…
Q: Write the mechanism for E-Stilbene reacting with HBr and H2O2
A:
Q: Is it spontaneous? 2+ 2Al³+3Zn(s) → 2Al(s) + 3Znac)
A:
Q: Ammonium nitrate decomposes (explosively) according to the following reaction. 2NH₂NO3 2N₂ + O₂ +…
A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…
Q: STARTING AMOUNT X How many moles of KCIO, solid must be reacted according to the following balanced…
A: Potassium chlorate decomposes into potassium chloride and oxygen. The equation for the balanced…
Q: -IgNslkr7j8P3jH-li-alBG1hBjbQdonu9XtEDAhQGDsSwluxzbGCUz94VWd3ASXT... O CHEMICAL REACTIONS Using a…
A: Here we are required to find the number of moles of ammonium phosphate formed
Q: If 1.3618 moles of AsF3 are allowed to react with 1.0000 mole of C₂Cl6, what would be the…
A: Given : balanced equation Moles of AsF3 = 1.3618 mol Moles of C2Cl6 = 1.0000 mol Tip : find…
Q: Bromination of E-Stilbene IR 3200 sample1 3200 3064.89- 3030.17- 2976.16 2800 2800 IR 2400 2400 2000…
A: (1) IR peaks at 3064.89 cm-1 and 3030.17 cm-1 are observed due to aromatic C-H stretching (sp2 C-H)…
Q: Consider the reaction: CaCO3(s) CaO(s) + CO₂(g) Using standard thermodynamic data at 298K, calculate…
A: “Since you have posted multiple questions, we will provide the solution only to the first question…
Q: A sample of gas in a 30.9 L container is initially at 27°C and 637 mmHg. If the pressure is reduced…
A: To find out volume we have to use combined gas law
Q: =0: 0: нн OCH₂CH3 H2C о: OCH₂CH3 осн он —
A: Mechanism of the given reaction.
Q: 1- Perkin reaction مند ہیں ..............reaction. Product 10 2-benzadehyde 10 НО Cimamic acid…
A: These are the examples of Perkin, Wittig, Reformatsky and Knoevenagel reactions.
Q: Bromomethane, CH3Br, is a very useful fumigant against a wide range of agricultural pests, from…
A: Lewis Structure is visual representation of valence electrons of constituting atoms in a molecule.…
Q: What is the correct structure for phenyl benzoate? O PhCO2Ph OCH3CO Ph O PhCH2CO2Ph O PhCH2CO2CH2Ph
A: From the name phenyl benzoate, it is clear that the given compound is an ester for the "ate" suffix.…
Q: Use the known reactions to determine the ΔHrxn of the following reaction. C2H4(g) + Cl2 (g) →…
A:
Q: How many signals would be present in the ¹HNMR? NaCl
A: we have to determine the number of signals for the 1-HNMR of NaCl
Q: Calculate the energy emitted by a mole of hydrogen atoms that see their electron pass from level 5…
A:
Q: Pentane combusts with oxygen to form carbon dioxide and water by the following reaction: C5H12(l) +…
A:
Q: chemist prepares a solution of aluminum chloride (AICI3) by measuring out 36.6 μmol of aluminum…
A: A homogeneous mixture of two or more substances is known as a solution. The species which present in…
Q: Comparison of Henry's Law. Roult's Law Konwalov Base
A: Answer: Henry's law state that the weight of a gas dissolved by a liquid is proportional to the…
Q: Calculate the pH change that results when 11 mL of 5.1 M NaOH is added to 790. mL of each the…
A:
Q: Some formulas can be drawn multiple ways; molecules that share the same formula but have different…
A:
Q: The reaction CO2(g) + H2O(l) ⇔ H+(aq) + HCO3-(aq) has ΔH° = -12.65 kJ mol-1 and ΔS° = -192.5 J mol-1…
A:
Q: At 25 °C, what is the hydroxide ion concentration, [OH-], in an aqueous solution with a hydrogen ion…
A:
Q: Find the pH of a 0.10 M H₂SO3. Ka1 = 1.3 × 107 and Ka2 = 6.3 x 10- -2 -8
A:
Q: Calculate the volume of N2 that results when 0.117 L of the gas is heated from 284.0 K to 374.0 K at…
A: Given: Initial volume of gas = 0.117 L Initial temperature of gas = 284.0 K Final temperature of gas…
Q: Suppose you mix 100.0 g of water at 21.7 °C with 75.0 g of water at 71.0 °C. What will be the final…
A:
Q: 1-Bromobutane would react with HS- via _______ reaction a.) SN1 b.) SN2 c.) E1 d.) E2
A: Given, Reactants are : 1-Bromobutan and HS- In this reaction, 1-Bromobutan act as substrate while…
Q: EG₁H NEG₂ 100 EG₁ = Ev N EG₂ = H Dispersity = 1
A:
Q: 5. Calculate the mass (in grams) of excess reactant remaining at the end of the reaction in which…
A: Limiting reagent: It is the reagent which consumes firstly in the reaction. Or It is the reagent…
Q: Write the common (not systematic) name of each organic molecule. structure CH₂ CH₂-CH₂-N-CH₂ CH₂ CH₂…
A: Note! you have asked two different questions at same time, but we can answer only first one (as not…
Q: H- When diluting a 0.100 mol/dm³ solution of a monovalent, weak base to fifty times its volume the…
A: The dissociation of the weak base (BOH) is shown as- BOH→B++OH- The initial concentration of base,…
Q: A. Determine the M+ peak (Which m/z peak represents the M+ peak). B. Determine the chemical formula.…
A: We need to calculate: A. M+ peak B. Chemical formula, Degree of unsaturation. Functional group, if…
Q: How is it possible to produce solutions with similar pH values without using acetic acid Explain…
A: Acetic acid, HC2H3O2 is a weak acid. Sodium acetate, NaC2H3O2 is a conjugate base of the weak acid,…
Q: Draw all the possible resonance structures for the chromate ion. How many resonance structures can…
A: We need to draw all the possible resonance structures for the chromate ion. Chromate ion is CrO42-
Q: Compound 1 Kd = 20 nM Compound 2 K= 35 mM O There is an important hydrophobic interaction at the…
A: Smaller the Kd (dissociation constant) greater the affinity of molecule on the active site of the…
Q: Please, help with the answer and explain it: Which statement is NOT true about covalent bonds? a)…
A: A chemical bond can be ionic or covalent based on whether the outer electron shell is completed by…
Q: A chemist titrates 50.0 mL of a 0.4173M nitrous acid (HNO₂) solution with 0.2299 M KOH solution at…
A:
Q: Give all the possible values of the quantum numbers of the level n = 4. Also write down the correct…
A: Since, For representation of electron in an orbital we use four type of quantum number-- 1)Principle…
Convert 3.74 x 1019 particles CrN to moles
Step by step
Solved in 2 steps with 2 images
- For the following questions (Q1-Q4), consider the compound CoCl2 • 6H2O (cobalt (II) chloride hexahydrate) which comes as beautiful red-purple crystals. Katie weighs out 2.51 g of the CoCl2 • 6H2O compound on the balance for her experiment. Q1. Determine the molar mass of CoCl2 • 6H2O compound. Q2. Convert 2.51 g of the CoCl2 • 6H2O to moles. Q3. Katie heats her hydrate to remove the water and obtain the anhydrous cobalt (II) compound CoCl2. Her results are below. Complete Katie’s data table of experimental results. Mass of dry crucible + lid 42.37 g Mass of dry crucible + lid + CoCl2 • 6H2O (hydrate) 44.88 g Mass of CoCl2 • 6H2O 2.51 g Mass of crucible + lid + CoCl2 (after heating) 43.79 g Mass of CoCl2 (anhydrous) g Mass of water removed g Molar mass of water 18.02 g/mol Molar mass of CoCl2 129.84 g/mol Moles of H2O mol Moles of CoCl2 mol Molar ratio of water to CoCl2 (experimental) Molar ratio of water…4. Convert 2.34 moles of Al(NO₂), to grams.This is the chemical formula for acetic acid (the chemical that gives the sharp taste to vinegar): CH,CO,H An analytical chemist has determined by measurements that there are 37. moles of carbon in a sample of acetic acid. How many moles of hydrogen are in the sample? Round your answer to 2 significant digits. 0 mol x10 X S
- Moles 6.87 moles CH, 1.32 moles 0₂ % Mass (grams) 12.5 g N₂ 13.5g Cl₂ Particles (Atoms or Molecules 8.76 x 10²¹ molecules H₂ 1.56 x 10 molecules NH, Volume (L) at STP ILO 5.62 x 10 25 NaCl O 58.44 NaCI 0 0.282 NaCI O 1.70 x 1023 NaCl QUESTION 6 Convert 2.09 moles NaOH to grams. O 174 grams NaOH O 83 6 grams NaOH O2 grams NAOH 0.0523 grams NaOH QUESTION 7 Convert 4 80 x 104 molecules of Hy0, to moles H202. 0.00797 moles H202 .0.363 moles Hy02 6.022 x 105 4 oles H202What is the mass of 3.5 x 10^-3 molecules of copper (II) carbonate? Use correct significant figures and units.