I.S. B he tollowing formulá unit equation. What is the sum of all of the coefficients? HNO3 ZnS- S+ NO Zn(NOs)2 + 20 a. 23 b. 25 c. 27 d. 29 e. 31 ution What is the s
Q: Balance the following equations:
A: balancing of reaction is done to follow the conservation of mass.
Q: b) In a second experiment to verify the value of x, the pharmacist heated a 3.752g sample of the…
A: Given, mass of sample of lysine hydrate =3.752 g mass of sample after heating = 3.278 g
Q: A app.101edu.co E Apps M Gmail O YouTube A Maps 1 VitalSource Books. Question 1 of 24 Submit Balance…
A:
Q: 1. Calculate Eo, E and ∆Gfor the ff rxns: a.) Mg(s) + Sn2+ Mg2+(aq) + Sn(s) [Mg2+] = 0.045M,…
A:
Q: After 9.8 × 101º y, how many grams will be left from a 256 g sample of ²3²7
A: Given details, t = 9.8 X 1010 y Mass of sample = 256 g Th is 232. To calculate the no. of grams.
Q: Why is the mole an important unit to chemists?
A:
Q: Unknown c. Volume Sor OEn Unknown dulfate. 100.0ml 20.43.28g mas of Empty Crutible & cover Maai of…
A: 1 mol barium sulfate contains 1 mol of sulfate and 1 mol of barium ion. Also, No of moles = Mass /…
Q: Draw the mechanism for the reactions and what is the role of sulfuric acid in these reactions?
A: A ketone/aldehyde reacts with alcohol to form ketal/acetal in presence of an acid which acts as a…
Q: Find the number of moles in 3.7 x 10 ^-5 g of magnesium phosphate.
A:
Q: 4. Zn(s) + 2A9NO:(aq)> Zn(NO3)2(aq) + 2Ag(s) lonic equation
A: Ionic equation - Those equations in which compounds in aqueous solutions dissociate into ions . Net…
Q: Balance each reaction and write its reaction quotient, Q꜀:
A: Balancing of the equation can be said as :- number of atom in reactant side = number of atom in…
Q: 12) Na + H2O > NaOH + H2 13) Ag20 → Ag + _O2 14) Se + _O2 →_SO3 15) CO2 + H2O → C6H1206 + O2 16) K+…
A: Balance of reaction. In order to balance a reaction the number of atoms present at the left hand…
Q: d. How many grams of potassium metal remain after the reaction? How many grams of water remain after…
A: K + H2O ------> KOH + H2 moles 1 1 1 1 Caculate…
Q: (d) you (e) HCI - 80°C (f) HBr 40 °C
A: The complete chemical reaction with proper reactants and products are given in a attached image.
Q: 33. There are now about 332,400,000 people in the USA. a. How many moles of people is this? b. If 1…
A:
Q: or parts of the free-response question that require calculations, clearly show the method use e…
A: In the given reaction methane reacts with fluorine and forms fluoromethane or methylfluoride ,…
Q: a) CIO, (aq) + 5 C(aq) + 6 H30*(aq) 3 Cl2(aq) + 9 H20(0) b) CaCO3(s) + SO3(g) CaSO4(s) + CO2(g) c)…
A: We have to write OA under the oxidizing agents and RA under the reducing agents and also consider…
Q: Determine the correct mole ratios, yes, you will select more than one, for the following balanced…
A: By the help of stoichiometric coefficient we can find the amount of unknown substance by the help of…
Q: Hello, I have an issue with calculations and I am not sure ,if I get correct answers,because (for…
A: The number of moles is a ratio of the mass of a substance to the molar mass of the substance.…
Q: Determining the Formula of a Hydrate #1: A 15.67 g sample of a hydrate of magnesium carbonate was…
A: Given : Mass of sample of a hydrate of magnesium carbonate = 15.67 g Mass of sample after drying it…
Q: Hilfur oxide is 50.0% by mass sulfur. This empirical formula could be For the toolbar, press ALT+F10…
A: Given: Weight % of sulphur in sulphur dioxide = 50 % Empirical formula is the chemical formula…
Q: SC OH 8th Compound 1 OH OH OH Compound 3 1. Os04 2. NaHSO3/H₂O * 1,504 # 3 OH Compound 2 # OH…
A: -> OsO4/NaHSO3,H2O is reagent used for syn hydroxilation or formation of syn diol .
Q: - Short AnswNer (Leveled from 10) A Why are stoichiometry and percentage yield important concepts of…
A: Let recipes to make sandwich is 6 bread- brown+3 slices cheese slices+1 medium finely chopped…
Q: Part A In order to understand how this equation is derived and why it holds true, the product of…
A: Hello. Since more than one question has been posted, the first question will only be answered in…
Q: a. 4 Zn(s) + 10 HCI(aq) → 4 ZNCI,.5(aq) + 5 H2(g) b. Zn(s) + 2 HCI(aq) → ZnCl2(aq) + H2(g) c. 4…
A: Given reactions,
Q: 26,Sg iron l090 mitial 22.4mL woler 20.2'C cen sity watler 100g/m L pacily capmetly water: 4.184…
A:
Q: 4. Zn(s) + Ni2(aq) Zn*(aq) + Nics) 5. Pb(s) + Sn*2(aq) Pb*2(aq) + Sn(s) 6. Al(s) / Al*3(aq) //…
A: Since you have posted multiple questions, we will solve first one for you. To get remaining parts…
Q: 1. OTMS BnO CO2ME 160 °C (sealed tube) Me 2. HF, CH3CN, rt 3. PDC, 4 Å mol. sieves, CH2CI2 97%
A: Step I : this step is Diels alder reaction i.e. Diels–Alder reaction is a chemical reaction between…
Q: c) 2CO2(8) + O2(8) → 2CO2(8) d) 302(8) e) 2NH3(8) + CO2(g) → NH2CONH2(aq) + H2O1) → 203(8)
A:
Q: In this fictional reaction, how many grams of Q(AJ)2 are produced if 10.6 mol of AT are also…
A:
Q: Question 40
A: The given molecules are, CaSO4, Al2(SO4)3 and K2SO4
Q: 1. N₂H4(1) + O₂(g) →N₂(g) + 2 H₂O(1) 1.15435 moes. 32.04476 C 0131 4444 11.03736 2. C₂H₂O(1) +4…
A: Heat of reaction for the following reaction are calculated as...
Q: For Exercises 11–15, calculate the quantities needed to prepare the solid and semisolid compounds.…
A: Given : mass of zinc oxide ointment = 20 gram Percent of zinc powder = 15 % To find : mass of zinc…
Q: Part F H₂S and H₂O in the equation 2H₂S(g) + 302 (g) → 2SO2(g) + 2H₂P (g) O 1 mol H₂S 1 mol H₂O 1…
A: Since, Numeric number present before the compound is known as stoichiometric. Thus,
Q: O Represent the following equations with an appropriate diagram/illustration/ or model. Indicate a…
A: Answer is below
Q: How many moles of aluminum are in an aluminum block that meausres 3.00cm x 3.00 cm x 5.00cm? The…
A: Density: It is a ratio of mass of an object to its volume. Its SI unit is g / cm3. It creases with…
Q: (1) В,На(8) + 30-(в)-эв,0:(s) + зн,0(8) дно --1941 k mol1 (2) 2B(s) +0:(g)>B;O;(s) Дно - -2368 k)…
A: Given Equation No Chemical reaction ∆rH° kJ/mol 1 B2H6 (g) + 3 O2(g) → B2O3(s) + 3 H2O(g)…
Q: d. KNO, - KNO, + 02 е. К + Н20 кон + Н2 f. P,010 + H20 → H3PO4
A:
Q: e File Edit View History Bookmarks Profiles Tab Window Help Watch Gilmore Girls x * Dementia Friend…
A: First calculate the moles of compound. Then calculate the no of mole of carbon. Then multiply it by…
Q: (a) Iz(s) + 5 Cu²* (aq) + 6 H;O(I) –→ 2 103"(aq) + 5 Cu(s) + 12 H*(aq) (b) Hg²*(aq) + 21 (aq) →…
A: I2(s) + 5Cu+2 (aq) + 6H2O → 2IO3-(aq) + 5 Cu (s) + 12 H+ E cell of the reaction = Ecathode…
Q: He 3757 kmol 23723 kmol 13 14 15 16 17 Ne COCS T0805 DOLS Na Mg Al SI Ar 4958 757.3 4. 6. 10 11 12…
A: Ionisation energy:- It is the energy required to remove an one mol electron from a gaseous atom to a…
Q: Answer the following questions using the data in the table below. See the calculations section…
A:
Q: Balance
A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any…
Q: A sample of monoprotic acid was analyzed. The sample contained 40.0% C and 6.71% H. The remainder of…
A: The simplest positive integer ratio of atoms in compounds is the empirical formula of a chemical…
Q: Determine the correct mole ratios, yes, you will select more than one, for the following balanced…
A: Answer
Q: Identify each of the following reactions as a precipitation, neutralization, or redox reaction:
A: (a) Redox reaction. Oxidation number of Mg is changed from 0 to +2. (b) Neutralization reaction.…
Q: A 0.9801 g sample of an unknown hydrate was heated to drive off the water. The remaining anhydrous…
A: Since the loss in mass of the salt is due to the removal of water only hence mass of water…
Q: In an alien world, a different periodic table exists. It is organized similar to the periodic table…
A: The given compound is JpEt2. It is formed as follows:
Q: H2S; H: 2 (1.01) S: 32.06 34.089/mol 02:2(16) = 329/mol H20: H: 2(1,01) Section 11.3 1) Consider the…
A:
Q: O Cl2(g) + 2KBr(aq) → Br2() + 2KCI(aq) O Zn(s) + H2SO4(aq) → ZnSO4(aq) + H2(g) 2H2(g) + O2(g) →…
A:
Step by step
Solved in 4 steps with 3 images
- Sample: Saline 0.900% (m/v), in sodium chloride (NaCl). Data: M.A. (g/mol): Na = 22.9898; K = 39.0983; Cr=51.9961; Ag = 107.8682; Cl = 35.453; N=14.0067; O = 15.9994. Material available in the laboratory's warehouse: Reagents: distilled water; standardized solution of silver nitrate (AgNO₃), at a concentration of 0.09980 mols/L; Potassium chromate solution (K₂CrO₄) 1%; ammoniacal ferric alum solution [Fe(NH₄)(SO₄)₂] and; nitrobenzene (or cooking oil, alternatively); 0.1000 mols/L potassium thiocyanate (KSCN) standard solution. Glassware: beakers of all sizes available on the market; 50, 100, 150, 200 and 250 ml Erlenmeyers; 10.00 and 25.00 mL volumetric pipettes; 15.00 mL burette; 30.00, 50.00 and 100.00 mL volumetric flasks Calculate the molarity of saline, in terms of the NaCl concentration (concentration in mols/L). (a) 0.900 mols/L (b) 5.84 mols/L (c) 0.154 mols/L (d) 0.0154 mols/LAluminum-lithium (AI-Li) alloys have been developed by the aircraft industry to reduce the weight and improve the performance of its aircraft. A commercial aircraft skin material having a density of 2.65 g/cm? is desired. Compute the concentration of Li (in wt%) that is required. The densities of aluminum and lithium are 2.71 and 0.534 g/cm3, respectively.From the data in Table 2.5, compute the concentration of the undiluted and diluted ovalbumin samples (make sure to account for the appropriate dilution factors, DF, in the computation).
- I am 80% sure about the ones filled in but i dont know the other ones.Write the balanced neutralization reaction that occurs between H2SO4H2SO4 and KOHKOH in aqueous solution. Phases are optional. Suppose 0.950 L0.950 L of 0.400 M H2SO40.400 M H2SO4 is mixed with 0.900 L0.900 L of 0.300 M KOH0.300 M KOH. What concentration of sulfuric acid remains after neutralization?A 5.00 mL wine vinegar was diluted to 25 mL and was titrated with 0.1198 M NaOH to determine its acidity. The endpoint was reached after addition of 31.45 mL of the NaOH solution. Calculate the % acidity of sample expressed as % acetic acid (w/w) if the density of the wine vinegar is 1.105 g/mL.
- A student measures the conductivity of three different aqueous solutions of KNO3 using a connductivity probe. The SI units for conductivity is siements/merter (S/M). They find that the conductivity of solutions #3 is higher than the conductivity of Solutions #1, and that the conductivity of solutions #2 is the highest. What conclusion are you able to make about solutions#3?The quotient of 12.987g divided by 20.0cm^3In an impure sample of table salt that weighed 0.8421 g when dissolved in water and treated with excess AgN03 formed 2.044 g of AgCl. Listing the percentage of NaCl is in the impure sample. What is the list of three sources of error in this experiment?
- KHP (aq)+NaOH (aq)-->NaKHP (aq)+H2O(l) Trial Vi (mL) Vf (mL) 1 36.19 48.56 2 3 A student masses out 1.096 grams of KHP, which is dissolved in 25.00 mL of DI water. This KHP solution is titrated with NaOH, as shown in the equation above. Calculate the molarity of the NaOH solution.25 mL of a bleach (NaOCl) sample is diluted to 500 mL. An excessive amount of KI is added to the 20 mL solution taken from here and the I2 released is titrated with 35.5 mL of 0.0409 M NaS2O3. Accordingly, calculate the weight percent by volume of NaOCl in the sample. (Ma(NaOC:74,4 g/mol)0.500 cm3 of concentrated H2O2 solution diluted exactly to 50.00 cm3 by water. 10.00 cm3 samples were taking out, and titrated by 0.02003 mol/dm3 KMnO4. The average of the individual result is 18.15 cm3. Give the molarity (mol/dm3) and the mass concentration (g/dm3) of the original concentrated H2O2 sample! Mr = 34.02 g/mol.