Give the oxidation number of each element in the polyatomic ion below: sulfate nitrate carbonate phosphate

Q: The toxicity of DDT (C14H9CI5) led to a ban on its use in the United States in 1972. Determinations…

A: Molecular formula of DDT - C14H9Cl5 Molecular Mass of DDT - 354.49 g/mol Number of moles = mass of…

Q: 1. Hydrazine contains an nitrogen-nitrogen single bond. a. Classify the N-N bond as ionic, polar…

A: The molecular formula of hydrazine is H2N–NH2. Hydrazine has one N–N single bond and four N–H bonds.

Q: Sulfur and fluorine form several different Part A compounds including sulfur hexafluoride and sulfur…

A: Part A Decomposition of sulfur hexafluoride produce: fluorine = 4.46 g sulfur = 1.23 g

Q: The ideal gas law (PV=nRT) describes the relationship among pressure P. volume V, temperature T, and…

A: Temperature and pressure are linearly related, and if the temperature is on the kelvin scale, then P…

Q: identity these elements based on their locations in the periodic table. Give the symbol, not the…

A: Identify the elements based on their location in periodic table:

Q: A 27.0 mL solution of 0.130 M CH3COOH is titrated with a 0.200 M KOH solution. Calculate the pH…

A: A 27 mL of 0.130 M CH3COOH is titrated with a 0.200 M KOH solution. We have to calculate the pH of…

Q: A 15.00 mL solution of H₂SO was titrated with 1.50 M NaOH. If it took 6.00 mL of NaOH to reach the…

A:

Q: Which of the following molecules has a central atom that is sp hybridized? Select one: a. C2H2 O b.…

A: We will draw lewis structure of each molecule. If geometry of molecule is tetrahedral , then…

Q: Problem 2. Multiple Lewis drawings are shown for four molecules (a) – d)). Use the 4 resonance…

A: Resonance structures are alternate Lewis structures for a molecule or ion that represent its…

Q: 7. Explain why you don't need to specify the number of ions in the compound you are naming ionic…

A: 7. We don't need to specify different number of ions while naming Ionic compounds. This is because,…

Q: Please answer 6 Part A and B

A: Following are the appropriate answers of the given questions.

Q: Rank the resonance forms shown from most significant to least significant. Briefly explain the…

A: Answer:

Q: A stock solution was made by adding 200.0 g of CaCl₂ to 300.0 g of water. Next, a dilute solution is…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

Q: 6.) Considering the data we already have for 1-pentanol from problem 4, propose one experiment you…

A: In the above given reaction we have to check weather pentyl acetate can be formed or not we can…

Q: between benzoic acid, 4-nitrobenzoic acid and 4-hydroxybenzoic acid, which is most acidic O…

A: The carboxylic acids given are benzoic acid, 4-nitro benzoic acid and 4-hydroxy benzoic acid.

Q: . The formula for ibuprofen is C3H1O2. How many moles of ibuprofen are present in 250.0-mg tablet?

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: Please help questions! 1)An ion of potassium has a charge of +1. How many protons and electrons does…

A: Given, cation K+ and Anion O2-  For ions, Number of electrons is equal to atomic number minus the…

Q: Review I Constants I Periodic Table Part A As early as 400 B.C., Greek philosophers proposed that…

A: From given datas Part 1 is solved based on daltons atomic theory Part 2 is solved based on law of…

Q: O Macmillan Learning Write the balanced molecular equation and net ionic equation for the…

A: • Balance molecular equation can be define as the reaction in which number of atoms of all the…

Q: The issue of cid can be assessed from various perspectives. For rach of the llowing statements on…

A: Acid Deposition, also known as acid rain , is a form of precipitation with acidic components such as…

Q: Please solve both answere

A:

Q: How many grams of water are produced by 1.0 moles of C3H8? C3H8 + 5 O2 → 3 CO2 + 4 H2O

A: 1.  Propane reacts with oxygen to forms carbon dioxide and water. The equation for the balanced…

Q: How many moles of aluminum are required to c

A:

Q: more, contact your admin about your Office plan. 1. A galvanic cell is formed from Ni metal in a 1M…

A:

Q: stoichiometric point, what is the molarity of the acetic acid (CH³CO₂H) in the vinegar? CH3CO₂H+…

A: Molarity is defined as number of mole of solute divide by volume of solution in liter

Q: Draw the Fischer projection of L-mannose. Draw the skeletal (line-bond) structure for…

A: Fisher projection is the representation of 2-dimensional structure of organic compounds. The most…

Q: The particle on a ring is a useful model for the motion of electrons around the porphine ring, the…

A:

Q: 4.62. Like the entropy of mixing, a Gibbs energy of mixing for gases can be derived: no of gases…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: a. The graph shows that the basic form has a maximum absorption at Amax, while the acidic has its…

A: The bromocresol green, commonly known as BCG, is an indicator and it has both acidic and basic form.…

Q: Valence electrons in an atom of phosphorus are closer to the nucleus than the valence electrons of…

A: The objective of the question is to explain using the given options that why is that - "Valence…

Q: 2) Calculate the concentrations of the FeSCN²" solutions you prepared in Part 1 and, using these…

A: #2: Calculation for [FeSCN2+(aq)] of the solutions in part-1: In part-1, we have taken a very small…

Q: The following data was collected when a reaction was performed experimentally in the laboratory.…

A: The chemical reaction can be expressed as follows: Reaction: Al(NO3)3 + 3NaCl → AlCl3 + 3NaNO3…

Q: Suppose that I am trying to determine if a piece of rock is either "fool's gold" or pure gold. The…

A: Given data : Density of pure gold = 19.3 g.mL-1 Mass of rock = 193 g Initial volume of water = 20 mL…

Q: please answer part c

A: The given reaction is, Electron affinity of Cl = -349kJ/mol Ionization energy of Na = 496kJ/mol…

Q: 1.34. A derivative with respect to the same variable can be taken more than once: (a) and is called…

A: The given terms are We have to find the expression of the following terms for the ideal gas…

Q: I’m not really sure about these two questions. I am confused.

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: A metal has a threshold frequency of 5.8 x 1014 s-1 for the photoelectric effect. Predict the effect…

A: To study the effect of the change in frequency of radiation , we would first define threshold…

Q: 4. Delta percent (A%) is a mathematical comparison of a single trial to the average expressed on a…

A: Boyle's Law states that when the temperature of a given mass of confined gas is constant, the…

Q: A solution contains 4.50 moles of water, 1.05 moles of sucrose (C12H2011), and 1.20 moles of…

A: Given Moles of water = 4.50 mol Moles of sucrose = 1.05 mol Moles of glucose = 1.20 mol Total moles…

Q: 9. Determining if an electrochemical reaction occurs spontaneously. Will the following reaction…

A: Given : reaction and data  Tip : nernst equation

Q: Which of the following is NOT a balanced nuclear equati 238 О а. 92U → 42a + 234 90 Th 20 + O b.…

A: We wil give all the answers here

Q: QUESTIONS: 1. Describe how the periodic table is used to determine the number of valence electrons…

A: Valence electrons : The electrons which are present in outer most shell of an atom are called…

Q: blue-green solution Choose... Butanal BII|U X2 | X² | → Choose... Choose... blue-green solution…

A: Given: We are given different organic compounds we have to give the description of the compounds and…

Q: 41. You have 100.0 mL of a 0.165 M aluminum sulfate solution. And 225.0 mL of a 0.125 M aluminum…

A: Given: Volume of first solution = 100.0 mL Concentration of first solution = 0.165 M Volume of…

Q: In an acid-base neutralization reaction, 28.74 mL of 0.500 M potassium hydroxide reacts with 50.00…

A: Given: The volume of potassium hydroxide used = 28.74 mL The concentration of the potassium…

Q: An aqueous solution contains 0.22 M ammonia. One liter of this solution could be converted into a…

A: Buffer solution is the one that resists the change in pH value when small amount of either acid or…

Q: b. This N-N bond can be broken by light of wavelength (A) 733 nanometers or shorter, what is the…

A: Wavelength and frequency are inversely proportional to each other . The relationship can be…