Solve this equation with the appropriate significant figures. 181.34 x 1930.4582 =

Q: there may be several correct answers The formation of an azo dye is possible for drugs: A. Chinozol…

A: Correct option is B.

Q: How many grams of NaOH are there in 333. mL of a 0.90 M NaOH solution?

A: The molarity of any solution is defined as the ratio of no of moles of the solute to that of volume…

Q: A 25.0-mt sample of an unknown H2CO3 solution requires 45.3 mL of 0.101 M NaOH for complete…

A: Given :  Volume of H2CO3 solution = 25.0 ml  Volume of NaOH solution = 45.3 ml  Molar concentration…

Q: How many grams of solid ammonium bromide should be added to 1.50 L of a 6.42x102 M ammonia solution…

A:

Q: Furnaces in residential homes usually burn natural gas, which is mostly methane, CH4. The balanced…

A: Here is the balanced equation for the complete combustion of methane: CH4 + 2O2 →CO2 + 2H2O

Q: iew | Constants | Periodic Table A red blood cell has been placed into each of three different…

A: The answer is given below

Q: b Bi undergoes four decay reactions: a, B, B, a. Step 1. 2141 83 Bi undergoes a decay to give TI In…

A:

Q: rgoes a decay. WH еса

A:

Q: How much CO2 can be derived from 500 g lactose?

A: Chemical formula of lactose = C12H22O11 Molar mass of lactose = 342.3 g/mol

Q: An electrochemical cell was set up at 298K. One half-cell has a solid platinum electrode in a…

A:

Q: 1) Consider this reaction: Pb + PbO2 + 2SO3 → 2PBSO4 AH°rxn = -775 kJ How much heat will be released…

A:

Q: 21.A researcher was asked to prepare butylbenzene from benzene. They chose to use chlorobutane and a…

A: The stability order of the carbocation is  tertiary > secondary > primary.  Benzene undergo…

Q: I am getting stuck with finding the mols, grams and percent of Cr^3+

A: Solution 2 is a 1:10 dilution of solution one. Its concentration is 0.1M /10 = 0.0100 M Solution 3…

Q: Cu-67 decays by beta decay. What are the atomic symbol and mass number of the product? a. Product:…

A: a. Given that, Cu-67 decays by beta decays. We have to give the atomic symbol and the mass number of…

Q: Provide the starting material. LiCu ОН OCH3 CI A B D E = A or B F = B or C G = none of these

A: The reaction given is,

Q: For heavier nuclei (Z > 40), which of the following describes the relative number of protons and…

A: Heavier nuclei have atomic number greater than 40. We are given the graph of Number of…

Q: Given AH°= +500 kJ/mol and the equilibrium constant, K = 1 x 10-10 , which of the following is…

A: In this question, we have to choose the correct option regarding the given data values.

Q: ball & stick v labels cis isomer trans isomer cis-trans isomerism not possible

A: Idea about Cis-trans isomer.

Q: How many EPR lines one can predict from diphenylpicrylhydrazine radical (dppH)? Draw the EPR…

A: ESR spectroscopy

Q: Consider the following data for osmium: 190.23 mol atomic mass electronegativity 2.20 kJ 106.1 mol…

A: Electron affinity is the energy released when an electron is added to outermost shell of isolated…

Q: QUESTION 5 Calculate the molarity of a solution made by dissolving 11.1 g CaCl2(s) in water to make…

A: Given that:  Mass of CaCl2 = 11.1g  Volume of solution = 400.ml = 400ml×1L/1000ml = 0.4L  Molar mass…

Q: Part A A solution is made by combining 15.0 mL of 17.0 M acetic acid with 5.58 g of sodium acetate…

A: Given: Mass of sodium acetate i.e. CH3COONa = 5.58 g. Concentration of acetic acid i.e. CH3COOH =…

Q: What is the molarity of a solution containing 59.4 g of MgCl, dissolved in 1.00 L of solution? O…

A:

Q: 3..HClO3 + CaCO3 Is this reaction spontaneous? Why or why not?

A:

Q: How many kilojoules of energy are generated when in 91.4 grams of NO(g) reacts according to the…

A:

Q: to cysteine residues in protein active sites. What glycolytic enzyme would be affected? As a result,…

A: A)In the range of metal concentrations analysed we found that only hexokinase and…

Q: Acid catalyzed hydrolysis of an ester ocurs by the following process: RC=OOR' + H20 + H* -> RC=OOH +…

A:

Q: value of the equilibrium constant,

A:

Q: 3. In this set of chemical reactions, which reaction is an oxidation-reduction reaction? a) K2SO4 +…

A: Step by step solution are below

Q: 2.) If a 50 grams of an ideal monoatomic gas has its volume doubled and the pressure is reduced to…

A: The internal energy of the system is the sum of all types of energy of the system. During the change…

Q: Several emergent properties of water contribute to the suitability of the environment for life. How…

A: The correct statements are : 2) The partial positive region of water molecules are attracted to…

Q: The reaction A + B → C + D rate = K[A][B]? has an initial rate of 0.0750 M/s. What will the initial…

A: Given :-  A+B → C+D  rate = K[A][B]2 = 0.0750 M/s  To determine :-  value of initial rate when [A]…

Q: Using the data in the table, calculate the rate constant of Trial [A] (M) [B] (M) Rate (M/s) this…

A:

Q: Draw the major elimination product for the reaction of 2-bromo2-methylbutane with A) KOH B) KOtBu…

A: Ore hinderd base give less substituted alkene  and less hinderd base gives more substituted alkene

Q: Two kinetics trials are performed at the same temperature with [S2O82-] held constant. The first…

A: Given: The concentration of S2O82- is kept constant. The concentration of I- is quadrupled reducing…

Q: How many grams of CaCl2 would you need to make 750 mL of a 2.00 mM CaCl2 solution?

A: Amount  of CaCl2  required to make 750 mL of a 2.00 mM CaCl2 solution is given below

Q: Arrange the following in order of increasing ionization energy. Ar Cl Li Na P

A: we need to arrange the elements in order of increasing ionization energy

Q: As a technician in a large pharmaceutical research firm, you need to produce 150. mL of a potassium…

A:

Q: 2. Calculate A H for 4FE0(s) + 02(g) → 2Fe203 (s) based on the reactions: 6FEO (s) + O2 (g) →2FE3O4…

A: Calculate enthalpy of the reaction, 4FeO + O2 -----> 2Fe2O3  ∆Hrxn = ?

Q: Draw 3d orbitals and their notations

A: Answer - 3d orbitals - There are five 3d orbitals. These are labelled 3dxy, 3dxz, 3dyz, 3dx 2-y 2…

Q: Radio station KRED in Eureka, California, broadcasts electromagnetic radiation at a frequency of…

A: Given :- frequency of radiowaves = 84.3 MHz  To calculate :- wavelength (in m)

Q: Before investigating the scene, the technician must dilute the luminol solution to a concentration…

A: Given : molar concentration of dilute solution of luminol = 4.00 × 10-2 M  Volume of solution = 2.00…

Q: 2) Hydrogen peroxide (H2O2) reacts with the permanganate ion (Mn04) in acidic solution according to…

A: a.) Given reaction is a redox reaction , so it would be balanced using half reaction method.  b.)…

Q: why do we need spindle cide in viscometer ?

A: By the help of Spindle (an immersed element) The Viscometer rotates a sensing element which…

Q: Consider the following data for yttrium: g 88.906 mol atomic mass electronegativity 1.22 kJ 29.6 mol…

A: We would first check the type of reaction given and compare it with the given data .    Note : As…

Q: Exercise 16.80 Enhanced with Feedback Part C Find the percent dissociation of a 0.130 M solution of…

A: Percent dissociation = degree of dissociation × 100  Using relation Ka =( degree of dissociation)2 ×…

Q: Given the reduction potentials below: Reduction Half-Reaction E° (V)   Reduction Half-Reaction…

A:

Q: 6. Consider the reaction HCI + NaOH → NaCl + H2O 2noiteonO deJ-teo1 which you also performed in the…

A: The reaction given is, => Given: Concentration of HCl = 1.0 M Concentration of NaOH = 1.0 M…

Q: An atom can be thought of as being

A: There exist three types of atoms with a single proton in their nucleus. These are the isotopes of…

Q: Provide the starting material for the following transformation 1. Оз ? 2. Zn H20 A B D A

A: In this question, we have to provide the starting material for the given transformation.

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.