Chemistry concepts and calculations

What is the definition of the Molar Enthalpy of Reaction? Question 1 options: Th

What is the definition of the Molar Enthalpy of Reaction? Question 1 options: The amount of heat in Joules require to evaporate 1 mole of reactant The amount of heat in kJ release…

What is the degree of polymerization of a sample of polyester prepared from 4-hy

What is the degree of polymerization of a sample of polyester prepared from 4-hydroxybenzoic acid if the acid number, determined with standard KOH solution is 11.2? 11.2 mg x (1g/…

What is the density (in g/L) of argon at 419 K and under 1 356 atm of pressure?

What is the density (in g/L) of argon at 419 K and under 1 356 atm of pressure? What is the molar mass of a gas which occupies 36.6 L at 379 K under 1 684 atm of pressure and has …

What is the density in E/L of NHs gas contained in a storage of 1.1 atm and 318

What is the density in E/L of NHs gas contained in a storage of 1.1 atm and 318 K? A. 3.86 vessel at a pressure B. 0.718 c. 0.432 D. 0.194 Q61. D alton's Law describes the relatio…

What is the density of a block of unknown material with a mass of 17.71-g if the

What is the density of a block of unknown material with a mass of 17.71-g if the dimensions are: length = 2.2 cm height = 1.7 cm width = 2.4 cm What is the density of a 18.55-g ob…

What is the density of a block of unknown material with a mass of 17.71-g if the

What is the density of a block of unknown material with a mass of 17.71-g if the dimensions are: length = 2.2 cm height = 1.7 cm width = 2.4 cm What is the density of a 18.55-g ob…

What is the density of liquid if radius of capillary filled with this liquid is

What is the density of liquid if radius of capillary filled with this liquid is equal 1 mm, the liquid elevation in the capillary is 25 mm, the surface tension is 60.3 mN/m, the c…

What is the density of oxygen gas, in g per liter, at 25 degree C A) 0.750 B) 0.

What is the density of oxygen gas, in g per liter, at 25 degree C A) 0.750 B) 0.556 C) 1.33 D) 1.11 E) 0.901 At if given temperature and pressure, a sample of Gas A sample of a di…

What is the determinate error of Experiment 5 - Driving Forces? The sample data

What is the determinate error of Experiment 5 - Driving Forces? The sample data below is based on volumes found in an inverted graduated cylinder submerged in water with an air bu…

What is the difference (in pH units) between the initial pH of a 0.20 M NH3 / 0.

What is the difference (in pH units) between the initial pH of a 0.20 M NH3 / 0.20 M NH4Cl buffer to the pH of the buffer after the addition of 10.0 mL of 0.10 M HCl to 65.0 mL of…

What is the difference (in pH units) between the initial pH of a 0.20 M NH3 / 0.

What is the difference (in pH units) between the initial pH of a 0.20 M NH3 / 0.20 M NH4Cl buffer to the pH of the buffer after the addition of 10.0 mL of 0.10 M HCl to 65.0 mL of…

What is the difference between a 3s orbital and a 2s orbital? the 3s orbital is

What is the difference between a 3s orbital and a 2s orbital? the 3s orbital is larger than the 2s orbital. the 3s orbital can hold more electrons than the 2s orbital. the 3s orbi…

What is the difference between a real oxidation state and an assigned oxidation

What is the difference between a real oxidation state and an assigned oxidation state? Please explain your answer! Ions actually have a charge that is equal to the oxidation state…

What is the difference between a soap and a detergent? How do they work? What so

What is the difference between a soap and a detergent? How do they work? What source should be used to make a softer, more soluble soap? What happens when chlorosulfonic acid come…

What is the difference between a strong and weak base? Select the best choice be

What is the difference between a strong and weak base? Select the best choice below to explain the difference. a. Strong bases are strong electrolytes and produce abundant quantit…

What is the difference between a strong and weak base? Select the best choice be

What is the difference between a strong and weak base? Select the best choice below to explain the difference. Strong bases are strong electrolytes and produce abundant quantities…

What is the difference between a struct and a class? a. constructors and destruc

What is the difference between a struct and a class? a. constructors and destructors are allowed for the class b. member functions are allowed for the class c. members are private…

What is the difference between an ? particle and a helium atom? What is the diff

What is the difference between an ? particle and a helium atom? What is the difference between an alpha particle and a helium atom? Check all that apply. The He atom is neutral. T…

What is the difference between an activated complex and an intermediate? Select

What is the difference between an activated complex and an intermediate? Select all that are true about this difference. The intermediate is always of higher energy than the activ…

What is the difference between an instrument detection limit and a method detect

What is the difference between an instrument detection limit and a method detection limit? (Select all that apply.) What is the difference between robustness and intermediate prec…

What is the difference between atomic structure and crystal structure? Atomic st

What is the difference between atomic structure and crystal structure? Atomic structure relates to the arrangement of protons and neutrons in the nucleus of an atom. Crystal struc…

What is the difference between average rate, initial rate, and instantaneous rat

What is the difference between average rate, initial rate, and instantaneous rate? Ozone decomposes to oxygen according to the equation 2O_3(g) rightarrow 3O_2(g). Write the equat…

What is the difference between average rate, initial rate, and instantaneous rat

What is the difference between average rate, initial rate, and instantaneous rate? Ozone decomposes to oxygen according to the equation 2O_3(g) rightarrow 3O_2(g). Write the equat…

What is the difference between average rate, initial rate, and instantaneous rat

What is the difference between average rate, initial rate, and instantaneous rate? Ozone decomposes to oxygen according to the equation 2O_3 (g) rightarrow 3O_2, (g). Write the eq…

What is the difference between building an application Outside In vs building it

What is the difference between building an application Outside In vs building it Inside Out using TDD? These are the books I read about TDD and unit testing: Test Driven Developme…

What is the difference between delta G and delta G degree? Delta G degree specif

What is the difference between delta G and delta G degree? Delta G degree specifies the tree-energy change for formation of a compound from the elements; G can be defined for any …

What is the difference between density and mass? Check all that apply. Check all

What is the difference between density and mass? Check all that apply. Check all that apply. The density of a substance is the mass of the substance per volume unit and has units …

What is the difference between heat capacity and specific heat? Check all that a

What is the difference between heat capacity and specific heat? Check all that apply. 1) heat capacity is the amount of heat required to raise the temperature of a substance a giv…

What is the difference between heterogeneous catalysts and homogeneous catalysts

What is the difference between heterogeneous catalysts and homogeneous catalysts? Heterogeneous catalysts create heterogeneous products while homogeneous catalysts create homogene…

What is the difference between hot-forming and cold-forming ofmetals with regard

What is the difference between hot-forming and cold-forming ofmetals with regard to the metal's recrystallizationtemperature? My answer is : Recrystallizationtemperature at which …

What is the difference between incandescence and luminescence? What does it mean

What is the difference between incandescence and luminescence? What does it mean when an electron is in an excited state? What is the difference in electron configuration of a sin…

What is the difference between most similar systems design and most different sy

What is the difference between most similar systems design and most different systems design? All i know is similar system = all same but 1 different. Most different system = all …

What is the difference between protein digestion and protein denaturation? Both

What is the difference between protein digestion and protein denaturation? Both occur after a meal. Check all that apply. Check all that apply. Protein digestion is the disruption…

What is the difference between qualitative and quantitative analysis? A. quantit

What is the difference between qualitative and quantitative analysis? A. quantitative analysis is concerned with "what" rather than "how much" B. there is no difference between be…

What is the difference between saturated fatty acids and unsaturated fatty acids

What is the difference between saturated fatty acids and unsaturated fatty acids? Not ye Marked outo 1 00 Select one a Unsaturated fatty acids have cis double bonds, saturated fat…

What is the difference between the rate of reaction and the reaction rate with r

What is the difference between the rate of reaction and the reaction rate with respect to one component of the reaction? Select all that apply. 1 The rate of the reaction is the r…

What is the difference between unit testing and integration testing when it come

What is the difference between unit testing and integration testing when it come to web development (where 90-95% of the code relies on a database)? One thing I here all the time …

What is the difference between “ Pure compound ” and “ pure element ”? I know th

What is the difference between “ Pure compound ” and “ pure element ”? I know the difference between a compound and an element, but I don’t understand what does “ pure ” do in the…

What is the different between a primary and a secondary standary? Give an exampl

What is the different between a primary and a secondary standary? Give an example of each. Why must air bubbles be expelled from the buret tip? 0.3045 g of pure KHP was weighed ou…

What is the dispersion number for a CSTR? Rate of a chemical reaction is indepen

What is the dispersion number for a CSTR? Rate of a chemical reaction is independent of the concentration of the reactants for a __________ reaction. With increase in temperature,…

What is the dissolution reaction of Zn(NO3)2 and Sr(NO3)2? Solution . All chlori

What is the dissolution reaction of Zn(NO3)2 and Sr(NO3)2?

What is the dissolution reaction of Zn(NO3)2 and Sr(NO3)2? Solution . All chlori

What is the dissolution reaction of Zn(NO3)2 and Sr(NO3)2?

What is the dominant sedimentary rock type shown in figure 4.10? Conglomerate Sa

What is the dominant sedimentary rock type shown in figure 4.10? Conglomerate Sandstone Shale Limestone What does the black color suggest about the environment of deposition (figu…

What is the easiest way to recognize this or what is the clue here to identify?

What is the easiest way to recognize this or what is the clue here to identify? I am understanding that I need to know how many bonding pairs and non-bonding pairs, then I have to…

What is the effect of doubling the substrate concentrations on the rate of catal

What is the effect of doubling the substrate concentrations on the rate of catalyzed reaction? (f) The production of ATP in metabolic pathway for every acetyl CoA can be calculate…

What is the effect of each of the f on the volume of 1 mol of an i (a) The press

What is the effect of each of the f on the volume of 1 mol of an i (a) The pressure changes from 760 torr to 202 kPa, and the temperature changes from 37°C to 155 K. O The volume …

What is the effect of increasing [H_2O_2], on the rate of reaction in the experi

What is the effect of increasing [H_2O_2], on the rate of reaction in the experiment? What is the effect of increasing the temperature on the rate of reaction in the experiment? I…

What is the effect of temperature on the solubility of a gas? Increase in temper

What is the effect of temperature on the solubility of a gas? Increase in temperature decreases the solubility. Increase in temperature increase the solubility. Increase in temper…

What is the effect of temperature on the solubility of a gas? Increase in temper

What is the effect of temperature on the solubility of a gas? Increase in temperature decreases the solubility. Increase in temperature increase the solubility. Increase in temper…

What is the effect on equilibrium when sodium format is added to a solution of f

What is the effect on equilibrium when sodium format is added to a solution of formic acid? no change in the equilibrium equilibrium shifts to the right more information is needed…