NH2 H2N. HO, (3) (4) в -O" Na Formation of white O` Na' (5) (6) precipitate

Q: Block # 4 Mass 41 451g Length 3 32 Find density and percent error of the solid. Show work and circle…

A: Here we are making multiplication and division to solve for the answer.  According to the rule of…

Q: (9) SOH

A:

Q: What is the smallest mass that we can measure on an analytical balance that has a tolerance of ±0.1…

A: Tolerance of analytical balance = Relative error = 0.1 %An analytical balance is a device that is…

Q: Acetic acid percentages in five vinegar samples were 4.98, 4.86, 4.97, 4.99. 5.08, 5.11, 4.97, 5.32…

A: To determine if any value can be rejected, we need to use Q-test.

Q: A solution is prepared by diluting 2.81 mL of the blue dye stock solution to 25.00 mL. The measured…

A: The data given is, Given: Volume of blue dye used = 2.81 mL. And the volume of final solution =…

Q: 2-36 Convert the following from milligrams per liter as the ion or compound to milligrams per liter…

A: The objective of the question is to convert the milligrams per liter as the ion or compound to the…

Q: n (need detailed computation) ach compound (need detailed computation) Calculation (need detailed…

A: As per rule, allowed to answer first three subparts and post the remaining in the next submission.

Q: While creating a piece of art work, a student becomes curious about the ink he is using to create…

A: The ink is a homogenous mixture, as it appears to be uniform throughout.

Q: What is the major product of the following reaction? Br NaOCH3 heat

A: In this question we have to tell the major organic product of the reaction.

Q: Is this correct or does the true value need the same sig figs as the estimated value?

A: Number of significant figures gives an idea on the accuracy of the measured value.

Q: 5. A 25.0 gram sample of a compound contains 6.64 grams of potassium (K, at.wt. = 39.1), 8.84 grams…

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: Answers will vary depending on your particular sample. Keeping in mind that the SI unit for mass is…

A: To give: An approximate mass of a grain of sand.

Q: You begin preparation of the calibration curve to measure absorbance vs concentration of FeSCN2+. To…

A:

Q: 3. What is parallax and why must it be avoided when measuring liquids with a graduated cylinder and…

A: Please find your solution below : Parallax is the apparent displacement or the difference in…

Q: Bronze is an alloy made of copper (Cu) and tin (Sn). The volume of the cylinder is 6.010 x 10 cm³.…

A:

Q: 10)

A: The question is based on the concept of IUPAC naming of the organic compounds.   there are certain…

Q: 5. Given your experience in mass determinations and with volumetric glassware, which factor used -…

A:

Q: 1-38. To entertain children between the ages of 2 and 90, I enjoy popping corks from bottles…

A: (a) The formula mass of acetic acid and sodium bicarbonate is

Q: Section 3: Predicting the products of chemical reactions Predict the products of the following…

A: the solution is as follows:

Q: Rev MISSED THIS? Read Section 4.4 (Pages 149 - 155); Watch KCV 4.4, IWE 4.6. Correct answer is…

A:

Q: Why should the selected rule(s) be followed? A residue left on the balance will contaminate the…

A: The given statements are A residue left on the balance will contaminate the balance pan surface and…

Q: d.) Calculate the molality of the Nace and MgCl2.6H2O solutions.

A: Mass of MgCl2.6H2O =3.6 gMass of NaCl = 1.5 gVolume of water = 25 mLDensity of water = 1 g/mLMolar…

Q: Find numerical value: Report your answer in proper Sig. Figs. i) (5.6 x 104)+(7.89 x 102). Show Your…

A: Rule of significant digit-1) In non decimal number, 0 comes after non-zero not count in significant…

Q: Does the answer need 2 sig figs or 3?

A: Estimated Value, EV = 2.8 g/cm3  True Value, TV = 2.702 g/cm3

Q: I'm just asking about 2 and 3 but I assume you need the web to answer them

A: The solution is as follows:

Q: How do you "Express the decimal equivalent of a simple whole number ratio"?  For example, "In CuCl ,…

A: While determining empirical formula, to find the simplest whole number ratio, divide the number of…

Q: what is the significance of gravimetry analysis?

A:

Q: Using a 25mL pipette, you prepare a standard solution by pipetting 25.00mL of the standard iron…

A: All measurements contain 3 parts , that is -The measurement The uncertaintyThe unit The uncertainty…

Q: (a) Use the following theoretical density values for copper and zinc metals (in g/mL) and the…

A: Percent Error CalculationFor Copper:Calculate the percent error for copper:%ErrorCu=∣Experimental…

Q: How many of the following should be included in a good hypothesis? (1) A prediction of the results…

A: A hypothesis can be defined as a proposed explanation for a phenomenon that has been observed.

Q: Mass of Beaker A + NiCl2*6H2O= 31.361g] [Volume of aqeuous en solution = 8.08 mL] [Mass if Beaker…

A: A numerical problem based on mole concept, which is to be accomplished.

Q: The combustion of ammonia in the presence of excess oxygen yields NO2 and H20: 4 NH3 (9) + 7 02…

A: ★ Answer : The combustion 263 grams of ammonia consumes 864 grams of oxygen.   ★Solution :…

Q: Name three types of systematic errors and give its brief description

A: Systematic errors are the ones that remain constant with sample size or may decrease or increase…

Q: 2. The analytical ability of two lab technicians was compared by having each perform analyses for…

A: Given DataAnalyst As.d = 0.12 %N=6Analyst Bs.d. =0.06 %N=5To determine:whether these results suggest…

Q: (b) Shown below are three different van Deemter curves for particles of varying sizes. Propose…

A: Van Deemter equation: It describes various factors that affect H/HETP (height equivalent theoretical…

Q: Balance N2 + H2 ->NH2

A: To balance a reaction, all the elements present in the reaction have to be in same number.  A…

Q: (2.50 × 10º) (1.56 × 105 9.62 × 104 5.69 × 1061.00 × 10-8 (9.30 × 10-5) (8 = 5) (8.42 × 10- -4) 9.62…

A:

Q: An electric current of 0.650 A flows for 1.0 second. Calculate the amount of electric, charge…

A: Electric current flown through the wire, I = 0.650 A time of flow, t = 1.0 s  Amount of electric…

Q: Part A Devermine the amount of potassium chloride in each solution. 21.7 g of a solution containing…

A:

Q: 3. For the following line notation at 22°, determine the Ecel Mg» | Mg2“ aq) (0.210 M) || Ni²“caq)…

A: Given-> Mg(s)/Mg2+(aq)(0.210M) //Ni2+(aq)(1.30M)/Ni(s) T = 22°C = 22+273 = 295K

Q: Trial 1 Trial 2 Trial 3 0.6020 g 24.8405 g 24.8451 g 24.8422 g 24.8422 g 0.5021 g 22.8165 g 22.8165…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: 1-32. A bottle of concentrated aqueous sulfuric acid, labeled 98.0 wt% H₂SO4, has a concentration of…

A: Given that,  Molarity of Concentrated aqueous Sulfuric acid = 18.0 M wt% H2SO4 = 98.0

Q: You receive an order for vancomycin 1850mg IV Q 6 H. Your institution carries pre-made IV bags of…

A: A pre-made IV bag is an intravenous bag that can be filled with a solution or fluid inside it. It…

Q: What is the solubility of KCI at 80C 150 140 KI 130 120 110 100 NANO3 90 80 70 60 NHẠCI KCI NaCI 50…

A: The solubility chart given is as shown below. To Find : Solubility of KCl at 80 oC.

Q: A patient is to receive: 600.0 mL IV fluid over 8.00 hours . The drop factor for the tubing is 12.0…

A: Given, 1 drop = 1 gtt The drop factor for tubing = 12.0 gtt/mL = 12.0 drops/mL

Q: irections: Match the following terms in column A to the description that matches them in column…

A: Match the given column:

Q: Give one application of tacheometry.

A: To prepare contoured map or plans requiring both the horizontal as well as vertical control.