Why is it better to use rank abundance curves graphs rather than calculate H’?

Q: Balance the fot chemeal -> Ala Cso423 1. Alt Ha Say

A: •In the balanced chemical reaction the number of atoms of each elements must be equal in both the…

Q: A prospector wants to know how much gold is in the ore that he has been mining.  A sample weighing…

A: Mass of the gold sample taken for analysis = 11.2456 g  11.2456 g is diluted to 200.00 mL to form…

Q: Determine the percentage of Fe in an unknown sample of limonite (Fe2O3) from the following data:…

A: First the Fe in the limonite (Fe2O3) is reduced from Fe2+ to Fe3+ and then titrated with KMnO4. The…

Q: Calculate the number of W atoms present in a 27.40 g sample of 47.70% pure tungsten ore.

A:

Q: Determine the number of hydrogen atoms in 2.50 mol of glucose, C6H12O6.  options:   12.0   none of…

A: Given  Number of mole of Glucose = 2.5 mole  Number of Hydrogen atom = ? 1 mole = Avogadro's…

Q: (a) A sample of aspirin (acetyl salicyclic acid) of molecular mass 180, on analysis was found to…

A: Given: % of C = 60 % . % of H = 4.4 % . % of O = 35.6 % . Moles = weight / molecular weight…

Q: What is the best explanation for the compound information provided here?

A: In this question we have to tell that which is the best explanation for the compound information is…

Q: Calculate AG° for the below chemical reaction using the provided AG° values. 2 PCI3 (g) + O2 (g) → 2…

A: Given: ∆Go POCl3(g) = -502.5 kJ/mol ∆Go PCl3(g) = -269.6 kJ/mol ∆Go O2(g) = 0 kJ/mol

Q: Which Ksp expression is correctly written? Calcium fluoride, Ksp = [Ca2*][F"]2 Zinc phosphate, Ksp =…

A:

Q: Which of the following setups would you use to obtain the number of O atoms in 86.8g of Cr(NO3)3?

A:

Q: A certain protein was found to contain 0.672% cobalt by mass. Determine the minimum molecular mass…

A: The mass percent can be defined as the ratio of mass of the given element to the total molar mass of…

Q: Еxercice 1: Complete the following equation 1) 1Pd → Ru + 106 2) "Rh → ... +He 3) 180Та -> +-je ....…

A: By calculating difference in atomic weight and atomic number of elements both side of arrow we can…

Q: CHO CHO Br 25°C NH D + 90°C

A:

Q: What is the color of FeC2O4 and K3[Fe(C2O4)3]·3H2O?

A: Name of.  FeC2O4     Ferrous oxalate, or iron(II) oxalate,      Preparation of K3[Fe(C2O4)3]·3H2O…

Q: Calculate the molecular weight of FeSO4, give the answer in aums.

A: Molecular weight of FeSO4 = Mass of Fe + Mass of S + 4* mass of O Mass of Fe =55.85amu Mass of S…

Q: How many donor atoms are there in EDTA4-?

A: There are 6 donor atoms in EDTA4-- Two N atoms and 4 negatively charged O atoms.

Q: Barium sulfate is a contrast agent for X-ray scans that are most often associated with the…

A: Answer:- This question is answered by using the simple concept of calculation of molar solubility…

Q: Given: 0.35g NaCI, 0.25 g NaHCO3, 0.15 g KCI & 2 9 C6H1206 are present in 100 mL ORS solution (MW:…

A: In 100 mL of ORS solution : The mass of Na = 0.35 g The mass of NaHCO3 = 0.25 g The mass of KCl =…

Q: If the stock of H2S04 contain the following information %=35 Sp.gr.= 1.8 The concentration .M.wt. 98…

A:

Q: The reaction of NbCl4(THF)2 with pyridine in the presence of a reducing agent gives NbClx(py)y which…

A: Solution Molecular Formula of Pyridine is. Molecular weight of Pyridine is 79.0999. Atomic weight of…

Q: 32. Between Pbl2 (Ksp = 7.9x10-) and PbC204 (Ksp 8.5x10-), which is %3D more soluble in water? Pbl2…

A:

Q: a.) 1.00g KCI in 75.0mL of soutin = b.) 1.00g NazcrOy in 75.0mL of Selutiin= C.) 20.0g MaBrz in…

A: Molar Concentration of the following solutions can be calculated as -

Q: Explain why is FAAS a good method of quantifying Ca in milk?

A: In milk, calcium is spreaded between caesin micelles and milk serum.

Q: 0.150 M of sucrose in 50mL flask Calculated Mass of C12H22O11=2.567 grams Experimental Mass of…

A: The molar mass of sucrose (  ) = 342.3 g/mol. Thus 1 mole of  weighs = 342.3 g.

Q: Cr in an ore exists g/mol). Calculate tl sample yields 0.40 O 15.11% (w/w) O 29.99% (w/w) 30 22%…

A: According to the question, Cr exists in ore as Cr2O3 and is converted quantitatively to BaCrO4. The…

Q: on processed meats. a. True b. False 2 Every batch of natural Color additives has to be certified:…

A: you have posted multipart of question as per the guidelines i have solved first three subparts…

Q: Ksp

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

Q: Given the following concentrations of aqueous ions as well as their atomic weight or molecular…

A:

Q: A 0.4755-g sample containing (NH4)2C2O4 and inert compounds was dissolved in water and made alkaline…

A: Interpretation: The percentage of N and (NH4)2C2O4 in the sample are to be determined. Given: Sample…

Q: Calcium oxalate monohydrate [Ca(O2CCO2)·H2O, also written as CaC2O4·H2O] is a sparingly soluble salt…

A: Solubility of calcium oxlate in water = 7.36 × 10−4 g/100 mL.  Ksp   = ?  Molecular mass of CaC2O4 .…

Q: 3. The indigo mixture from the plant source is known to contain the following pigments. ОН OH Но…

A: Based on structure Indigo yellow is more polar than other due to 4-OH group polarity order…

Q: Calculate the molecular formulas for possible compounds with molecular mass 136 using the Rule of…

A:

Q: According to the first image, if an unknown copper metal compound, has 37.2% Cu then it is most…

A: percentage of copper in copper salt

Q: The hydronium ion concentration in a solution of an unknown weak acid is 5.77 x 1011. What is the…

A: Pka value is depends upon concentration of H+ ions in the solution.

Q: A certain protein was found to contain 0.122%0.122% cobalt by mass. Determine the minimum molecular…

A: Mass percent can be expressed by the equation,

Q: 1) LDA →? 2) CH31 -78 °C Slivj Ph-COOEt 1) LIAIH, → ? 2) H30® 1) Bu,CuLi • ? 2) Mel 3) NH.CI, Hạ0

A: The solutions are given below-

Q: How will you separate Kα and Kβ X-ray lines of Cu?

A: When an electron releases energy as a photon of light, it came back to its original position. The…

Q: A solution with 5 mg/mL of a colored protein has an absorbance of 0.250. What is the concentration…

A:

Q: Predict the products and balance the following eqn. and identify the type of reaction 7) Bacl +…

A: The given reaction are as follows,   a) BaCl2 (aq) + H2SO4 (aq) →  b) C6H12 (g) + O2 (g)→  c) Zn(s)+…

Q: Why is carbon chemistry clearly complex?

A: The atomic number of C-atom is 6. Its configuration of C-atom is K(2) l(4). It has 4 e-s in the last…

Q: 5.00 mL of stock solution is diluted to 25.00 mL, producing solution ALPHA. 10.00 mL of solution…

A: Dilution factor is defined as the ratio of stock volume to the total volume. 5ml (stock)…

Q: Clikk in the ansner box to activate the palette. Determine the ompirical formula of a compound…

A:

Q: What is the % by mass of Cu in the ore malachite (Cu2(OH)2CO3) ?

A: Interpretation: The % by mass of Cu in the ore malachite Cu2OH2CO3 is to be calculated.

Q: Chemistry Explain why manganese which has an average minimum exploitable grade of 35% has a higher…

A: The concentration factor is defined as the ratio of average concentration of an element in a mineral…

Q: A mixture of 0.560 g BaCl, 2H2O (molar mass = 244.2g/mol) and 1.44 g of NazPO4 12H20 (molar mass =…

A: 2Na3PO4 + 3BaCl2-----> Ba3(PO4)2 (s) + 6NaCl Mass of BaCl2.2H2O = 0.560 g Molar mass of…

Q: Identify the compound that gives the mass spectrum and infrared spectrum shown here.

A: EXPLANATION: To calculate the molecular formula of the compound, the following steps to be followed:…

Q: 0.492 gram sample of hemoglobin is analyzed for iron and contains 0.342 % Fe. If it is known that…

A:

Q: You have a 11.5 mg sample of blood that contains various proteins. Hemoglobin is the only protein in…

A: 1) From the given mass of iron, calculate it is present in how many grams of heme. 2) Hemoglobin has…

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.